diff --git a/CHANGES.md b/CHANGES.md
index 5eee658bcc2..134a493e975 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,7 @@ Changes
 
 ### Unreleased
 
+* 2023-09-22 - Make codechecker happier
 * 2023-09-22 - Release: Make sure that Smart Menu SCSS does not affect installations which do not use smart menus, solves #380.
 * 2023-09-22 - Bugfix: Smart menu items were being cut-off in responsive view (more menu), helps to solve #356.
 * 2023-09-22 - Bugfix: Transition in second level in user menu was wrong, solves #397
diff --git a/classes/admin_setting_configdatetime.php b/classes/admin_setting_configdatetime.php
index 0afb7eee551..603c5b61fbc 100644
--- a/classes/admin_setting_configdatetime.php
+++ b/classes/admin_setting_configdatetime.php
@@ -50,11 +50,11 @@ public function get_setting() {
 
         $datearr = getdate($result);
 
-        $data = array('h' => $datearr['hours'],
+        $data = ['h' => $datearr['hours'],
                 'm' => $datearr['minutes'],
                 'y' => $datearr['year'],
                 'M' => $datearr['mon'],
-                'd' => $datearr['mday']);
+                'd' => $datearr['mday'], ];
         return $data;
     }
 
diff --git a/classes/form/flavour_edit_form.php b/classes/form/flavour_edit_form.php
index 21dbc223753..e6d1a115e97 100644
--- a/classes/form/flavour_edit_form.php
+++ b/classes/form/flavour_edit_form.php
@@ -55,7 +55,7 @@ public function definition() {
         $mform = $this->_form;
 
         // Prepare yes-no option for multiple usage.
-        $yesnooption = array(false => get_string('no'), true => get_string('yes'));
+        $yesnooption = [false => get_string('no'), true => get_string('yes')];
 
         // Add the flavour ID as hidden element.
         $mform->addElement('hidden', 'id');
@@ -86,7 +86,7 @@ public function definition() {
                         'subdirs' => 0,
                         'maxfiles' => 1,
                         'accepted_types' => 'web_image',
-                        'return_types' => FILE_INTERNAL
+                        'return_types' => FILE_INTERNAL,
                 ]);
         $mform->addHelpButton('flavours_look_logo', 'flavourslogo', 'theme_boost_union');
 
@@ -96,7 +96,7 @@ public function definition() {
                         'subdirs' => 0,
                         'maxfiles' => 1,
                         'accepted_types' => 'web_image',
-                        'return_types' => FILE_INTERNAL
+                        'return_types' => FILE_INTERNAL,
                 ]);
         $mform->addHelpButton('flavours_look_logocompact', 'flavourslogocompact', 'theme_boost_union');
 
@@ -106,7 +106,7 @@ public function definition() {
                         'subdirs' => 0,
                         'maxfiles' => 1,
                         'accepted_types' => 'image',
-                        'return_types' => FILE_INTERNAL
+                        'return_types' => FILE_INTERNAL,
                 ]);
         $mform->addHelpButton('flavours_look_favicon', 'flavoursfavicon', 'theme_boost_union');
 
@@ -116,7 +116,7 @@ public function definition() {
                         'subdirs' => 0,
                         'maxfiles' => 1,
                         'accepted_types' => 'web_image',
-                        'return_types' => FILE_INTERNAL
+                        'return_types' => FILE_INTERNAL,
                 ]);
         $mform->addHelpButton('flavours_look_backgroundimage', 'flavoursbackgroundimage', 'theme_boost_union');
 
@@ -125,7 +125,7 @@ public function definition() {
         // It will be appended to the stack of CSS code which is shipped to the browser.
         // There is a follow-up issue on Github to add SCSS support.
         // When this is realized, the widget's title string should be changed to 'theme_boost/rawscss'.
-        $mform->addElement('textarea', 'look_rawscss', get_string('flavourscustomcss', 'theme_boost_union'), array('rows' => 15));
+        $mform->addElement('textarea', 'look_rawscss', get_string('flavourscustomcss', 'theme_boost_union'), ['rows' => 15]);
         $mform->setType('title', PARAM_TEXT);
         $mform->addHelpButton('look_rawscss', 'flavourscustomcss', 'theme_boost_union');
 
diff --git a/classes/form/smartmenu_edit_form.php b/classes/form/smartmenu_edit_form.php
index 249280e33a4..33abae86f83 100644
--- a/classes/form/smartmenu_edit_form.php
+++ b/classes/form/smartmenu_edit_form.php
@@ -79,10 +79,10 @@ public function definition() {
         $location->setMultiple(true);
 
         // Add mode as select element.
-        $modeoptions = array(
+        $modeoptions = [
                 smartmenu::MODE_SUBMENU => get_string('smartmenusmodesubmenu', 'theme_boost_union'),
                 smartmenu::MODE_INLINE => get_string('smartmenusmodeinline', 'theme_boost_union'),
-        );
+        ];
         $mform->addElement('select', 'mode', get_string('smartmenusmenumode', 'theme_boost_union'), $modeoptions);
         $mform->setDefault('mode', smartmenu::MODE_SUBMENU);
         $mform->setType('mode', PARAM_INT);
@@ -101,12 +101,12 @@ public function definition() {
         $mform->addHelpButton('type', 'smartmenusmenutype', 'theme_boost_union');
 
         // Add show description as select element.
-        $showdescriptionoptions = array(
+        $showdescriptionoptions = [
                 smartmenu::DESC_NEVER => get_string('smartmenusmenushowdescriptionnever', 'theme_boost_union'),
                 smartmenu::DESC_ABOVE => get_string('smartmenusmenushowdescriptionabove', 'theme_boost_union'),
                 smartmenu::DESC_BELOW => get_string('smartmenusmenushowdescriptionbelow', 'theme_boost_union'),
-                smartmenu::DESC_HELP => get_string('smartmenusmenushowdescriptionhelp', 'theme_boost_union')
-        );
+                smartmenu::DESC_HELP => get_string('smartmenusmenushowdescriptionhelp', 'theme_boost_union'),
+        ];
         $mform->addElement('select', 'showdesc', get_string('smartmenusmenushowdescription', 'theme_boost_union'),
                 $showdescriptionoptions);
         $mform->setDefault('showdesc', smartmenu::DESC_NEVER);
@@ -114,11 +114,11 @@ public function definition() {
         $mform->addHelpButton('showdesc', 'smartmenusmenushowdescription', 'theme_boost_union');
 
         // Add more menu behavior as select element.
-        $moremenuoptions = array(
+        $moremenuoptions = [
                 smartmenu::MOREMENU_DONOTCHANGE => get_string('dontchange', 'theme_boost_union'),
                 smartmenu::MOREMENU_INTO => get_string('smartmenusmenumoremenubehaviorforceinto', 'theme_boost_union'),
-                smartmenu::MOREMENU_OUTSIDE => get_string('smartmenusmenumoremenubehaviorkeepoutside', 'theme_boost_union')
-        );
+                smartmenu::MOREMENU_OUTSIDE => get_string('smartmenusmenumoremenubehaviorkeepoutside', 'theme_boost_union'),
+        ];
         $mform->addElement('select', 'moremenubehavior', get_string('smartmenusmenumoremenubehavior', 'theme_boost_union'),
                 $moremenuoptions);
         $mform->setDefault('moremenubehavior', smartmenu::MOREMENU_DONOTCHANGE);
@@ -131,12 +131,12 @@ public function definition() {
         $mform->setType('cssclass', PARAM_TEXT);
 
         // Add card size as select element.
-        $cardsizeoptions = array(
+        $cardsizeoptions = [
                 smartmenu::CARDSIZE_TINY => get_string('smartmenusmenucardsizetiny', 'theme_boost_union').' (50px)',
                 smartmenu::CARDSIZE_SMALL => get_string('smartmenusmenucardsizesmall', 'theme_boost_union').' (100px)',
                 smartmenu::CARDSIZE_MEDIUM => get_string('smartmenusmenucardsizemedium', 'theme_boost_union').' (150px)',
-                smartmenu::CARDSIZE_LARGE => get_string('smartmenusmenucardsizelarge', 'theme_boost_union').' (200px)'
-        );
+                smartmenu::CARDSIZE_LARGE => get_string('smartmenusmenucardsizelarge', 'theme_boost_union').' (200px)',
+        ];
         $mform->addElement('select', 'cardsize', get_string('smartmenusmenucardsize', 'theme_boost_union'), $cardsizeoptions);
         $mform->setDefault('cardsize', smartmenu::CARDSIZE_TINY);
         $mform->setType('cardsize', PARAM_INT);
@@ -144,7 +144,7 @@ public function definition() {
         $mform->addHelpButton('cardsize', 'smartmenusmenucardsize', 'theme_boost_union');
 
         // Add card form as select element.
-        $cardformoptions = array(
+        $cardformoptions = [
                 smartmenu::CARDFORM_SQUARE =>
                         get_string('smartmenusmenucardformsquare', 'theme_boost_union').' (1/1)',
                 smartmenu::CARDFORM_PORTRAIT =>
@@ -152,8 +152,8 @@ public function definition() {
                 smartmenu::CARDFORM_LANDSCAPE =>
                         get_string('smartmenusmenucardformlandscape', 'theme_boost_union').' (3/2)',
                 smartmenu::CARDFORM_FULLWIDTH =>
-                        get_string('smartmenusmenucardformfullwidth', 'theme_boost_union')
-        );
+                        get_string('smartmenusmenucardformfullwidth', 'theme_boost_union'),
+        ];
         $mform->addElement('select', 'cardform',
                 get_string('smartmenusmenucardform', 'theme_boost_union'), $cardformoptions);
         $mform->setDefault('cardform', smartmenu::CARDFORM_SQUARE);
@@ -162,12 +162,12 @@ public function definition() {
         $mform->addHelpButton('cardform', 'smartmenusmenucardform', 'theme_boost_union');
 
         // Add card overflow behaviour as select element.
-        $cardoverflowoptions = array(
+        $cardoverflowoptions = [
                 smartmenu::CARDOVERFLOWBEHAVIOUR_NOWRAP =>
                         get_string('smartmenusmenucardoverflowbehaviornowrap', 'theme_boost_union'),
                 smartmenu::CARDOVERFLOWBEHAVIOUR_WRAP =>
-                        get_string('smartmenusmenucardoverflowbehaviorwrap', 'theme_boost_union')
-        );
+                        get_string('smartmenusmenucardoverflowbehaviorwrap', 'theme_boost_union'),
+        ];
         $mform->addElement('select', 'cardoverflowbehavior',
                 get_string('smartmenusmenucardoverflowbehavior', 'theme_boost_union'), $cardoverflowoptions);
         $mform->setDefault('cardoverflowbehaviour', smartmenu::CARDOVERFLOWBEHAVIOUR_NOWRAP);
@@ -196,10 +196,10 @@ public function definition() {
         $mform->addHelpButton('roles', 'smartmenusbyrole', 'theme_boost_union');
 
         // Add context as select element.
-        $rolecontext = array(
+        $rolecontext = [
                 smartmenu::ANYCONTEXT => get_string('any'),
                 smartmenu::SYSTEMCONTEXT => get_string('coresystem'),
-        );
+        ];
         $mform->addElement('select', 'rolecontext', get_string('smartmenusrolecontext', 'theme_boost_union'), $rolecontext);
         $mform->setDefault('rolecontext', smartmenu::ANYCONTEXT);
         $mform->setType('rolecontext', PARAM_INT);
@@ -228,10 +228,10 @@ public function definition() {
         $mform->addHelpButton('cohorts', 'smartmenusbycohort', 'theme_boost_union');
 
         // Add operator as select element.
-        $operatoroptions = array(
+        $operatoroptions = [
                 smartmenu::ANY => get_string('any'),
                 smartmenu::ALL => get_string('all'),
-        );
+        ];
         $mform->addElement('select', 'operator', get_string('smartmenusoperator', 'theme_boost_union'), $operatoroptions);
         $mform->setDefault('operator', smartmenu::ANY);
         $mform->setType('operator', PARAM_INT);
@@ -248,7 +248,7 @@ public function definition() {
 
         // Add by language as autocomplete element.
         $languagelist = get_string_manager()->get_list_of_translations();
-        $langoptions = array();
+        $langoptions = [];
         foreach ($languagelist as $key => $lang) {
             $langoptions[$key] = $lang;
         }
@@ -268,23 +268,23 @@ public function definition() {
 
         // Add from as datepicker element.
         $mform->addElement('date_time_selector', 'start_date',
-                get_string('smartmenusbydatefrom', 'theme_boost_union'), array('optional' => true));
+                get_string('smartmenusbydatefrom', 'theme_boost_union'), ['optional' => true]);
         $mform->addHelpButton('start_date', 'smartmenusbydatefrom', 'theme_boost_union');
 
         // Add until as datepicker element.
         $mform->addElement('date_time_selector', 'end_date',
-                get_string('smartmenusbydateuntil', 'theme_boost_union'), array('optional' => true));
+                get_string('smartmenusbydateuntil', 'theme_boost_union'), ['optional' => true]);
         $mform->addHelpButton('end_date', 'smartmenusbydateuntil', 'theme_boost_union');
 
         // Add the action buttons (as we have two buttons, we need a group).
-        $actionbuttons = array();
-        $actionclasses = array('class' => 'form-submit');
+        $actionbuttons = [];
+        $actionclasses = ['class' => 'form-submit'];
         $actionbuttons[] = &$mform->createElement('submit', 'saveandreturn',
                 get_string('savechangesandreturn'), $actionclasses);
         $actionbuttons[] = &$mform->createElement('submit', 'saveanddisplay',
                 get_string('smartmenussavechangesandconfigure', 'theme_boost_union'), $actionclasses);
         $actionbuttons[] = &$mform->createElement('cancel');
-        $mform->addGroup($actionbuttons, 'actionbuttons', '', array(' '), false);
+        $mform->addGroup($actionbuttons, 'actionbuttons', '', [' '], false);
         $mform->closeHeaderBefore('actionbuttons');
     }
 
diff --git a/classes/form/smartmenu_item_edit_form.php b/classes/form/smartmenu_item_edit_form.php
index 750ba6b771c..988b52c2b03 100644
--- a/classes/form/smartmenu_item_edit_form.php
+++ b/classes/form/smartmenu_item_edit_form.php
@@ -98,10 +98,10 @@ public function definition() {
         $mform->addHelpButton('url', 'smartmenusmenuitemurl', 'theme_boost_union');
 
         // Add mode as select element.
-        $modeoptions = array(
+        $modeoptions = [
                 smartmenu_item::MODE_INLINE => get_string('smartmenusmodeinline', 'theme_boost_union'),
                 smartmenu_item::MODE_SUBMENU => get_string('smartmenusmodesubmenu', 'theme_boost_union'),
-        );
+        ];
         $mform->addElement('select', 'mode', get_string('smartmenusmenuitemmode', 'theme_boost_union'), $modeoptions);
         $mform->setDefault('mode', smartmenu_item::MODE_INLINE);
         $mform->setType('mode', PARAM_INT);
@@ -131,14 +131,14 @@ public function definition() {
         $mform->addHelpButton('enrolmentrole', 'smartmenusdynamiccoursesenrolmentrole', 'theme_boost_union');
 
         // Add completion status (for the dynamic courses menu item type) as autocomplete element.
-        $completionstatusoptions = array(
+        $completionstatusoptions = [
                 smartmenu_item::COMPLETION_ENROLLED =>
                         get_string('smartmenusdynamiccoursescompletionstatusenrolled', 'theme_boost_union'),
                 smartmenu_item::COMPLETION_INPROGRESS =>
                         get_string('smartmenusdynamiccoursescompletionstatusinprogress', 'theme_boost_union'),
                 smartmenu_item::COMPLETION_COMPLETED =>
                         get_string('smartmenusdynamiccoursescompletionstatuscompleted', 'theme_boost_union'),
-        );
+        ];
         $completionstatuswidget = $mform->addElement('autocomplete', 'completionstatus',
                 get_string('smartmenusmenuitemtypedynamiccourses', 'theme_boost_union').': '.
                 get_string('smartmenusdynamiccoursescompletionstatus', 'theme_boost_union'), $completionstatusoptions);
@@ -148,14 +148,14 @@ public function definition() {
         $mform->addHelpButton('completionstatus', 'smartmenusdynamiccoursescompletionstatus', 'theme_boost_union');
 
         // Add date range (for the dynamic courses menu item type) as autocomplete element.
-        $daterangeoptions = array(
+        $daterangeoptions = [
                 smartmenu_item::RANGE_PAST =>
                         get_string('smartmenusdynamiccoursesdaterangepast', 'theme_boost_union'),
                 smartmenu_item::RANGE_PRESENT =>
                         get_string('smartmenusdynamiccoursesdaterangepresent', 'theme_boost_union'),
                 smartmenu_item::RANGE_FUTURE =>
                         get_string('smartmenusdynamiccoursesdaterangefuture', 'theme_boost_union'),
-        );
+        ];
         $daterangewidget = $mform->addElement('autocomplete', 'daterange',
                 get_string('smartmenusmenuitemtypedynamiccourses', 'theme_boost_union').': '.
                 get_string('smartmenusdynamiccoursesdaterange', 'theme_boost_union'), $daterangeoptions);
@@ -189,13 +189,13 @@ public function definition() {
         $PAGE->requires->js_call_amd('theme_boost_union/fontawesome-popover', 'init', ['#id_menuicon', $systemcontextid]);
 
         // Add title presentation and select element.
-        $displayoptions = array(
+        $displayoptions = [
             smartmenu_item::DISPLAY_SHOWTITLEICON =>
                     get_string('smartmenusmenuitemdisplayoptionsshowtitleicon', 'theme_boost_union'),
             smartmenu_item::DISPLAY_HIDETITLE => get_string('smartmenusmenuitemdisplayoptionshidetitle', 'theme_boost_union'),
             smartmenu_item::DISPLAY_HIDETITLEMOBILE =>
-                    get_string('smartmenusmenuitemdisplayoptionshidetitlemobile', 'theme_boost_union')
-        );
+                    get_string('smartmenusmenuitemdisplayoptionshidetitlemobile', 'theme_boost_union'),
+        ];
         $mform->addElement('select', 'display', get_string('smartmenusmenuitemdisplayoptions', 'theme_boost_union'),
                 $displayoptions);
         $mform->setDefault('display', smartmenu_item::DISPLAY_SHOWTITLEICON);
@@ -208,10 +208,10 @@ public function definition() {
         $mform->addHelpButton('tooltip', 'smartmenusmenuitemtooltip', 'theme_boost_union');
 
         // Add link target as select element.
-        $targetoptions = array(
+        $targetoptions = [
                 smartmenu_item::TARGET_SAME => get_string('smartmenusmenuitemlinktargetsamewindow', 'theme_boost_union'),
-                smartmenu_item::TARGET_NEW => get_string('smartmenusmenuitemlinktargetnewtab', 'theme_boost_union')
-        );
+                smartmenu_item::TARGET_NEW => get_string('smartmenusmenuitemlinktargetnewtab', 'theme_boost_union'),
+        ];
         $mform->addElement('select', 'target', get_string('smartmenusmenuitemlinktarget', 'theme_boost_union'),
                 $targetoptions);
         $mform->setDefault('target', smartmenu_item::TARGET_SAME);
@@ -284,14 +284,14 @@ public function definition() {
             $mform->addHelpButton('image', 'smartmenusmenuitemcardimage', 'theme_boost_union');
 
             // Add card text position as select element.
-            $textpositionoptions = array(
+            $textpositionoptions = [
                     smartmenu_item::POSITION_BELOW =>
                             get_string('smartmenusmenuitemtextpositionbelowimage', 'theme_boost_union'),
                     smartmenu_item::POSITION_OVERLAYTOP =>
                             get_string('smartmenusmenuitemtextpositionoverlaytop', 'theme_boost_union'),
                     smartmenu_item::POSITION_OVERLAYBOTTOM =>
-                            get_string('smartmenusmenuitemtextpositionoverlaybottom', 'theme_boost_union')
-            );
+                            get_string('smartmenusmenuitemtextpositionoverlaybottom', 'theme_boost_union'),
+            ];
             $mform->addElement('select', 'textposition',
                     get_string('smartmenusmenuitemtextposition', 'theme_boost_union'), $textpositionoptions);
             $mform->setDefault('textposition', smartmenu_item::POSITION_BELOW);
@@ -332,10 +332,10 @@ public function definition() {
         $mform->addHelpButton('roles', 'smartmenusbyrole', 'theme_boost_union');
 
         // Add context as select element.
-        $rolecontext = array(
+        $rolecontext = [
                 smartmenu::ANYCONTEXT => get_string('any'),
                 smartmenu::SYSTEMCONTEXT => get_string('coresystem'),
-        );
+        ];
         $mform->addElement('select', 'rolecontext', get_string('smartmenusrolecontext', 'theme_boost_union'), $rolecontext);
         $mform->setDefault('rolecontext', smartmenu::ANYCONTEXT);
         $mform->setType('rolecontext', PARAM_INT);
@@ -364,10 +364,10 @@ public function definition() {
         $mform->addHelpButton('cohorts', 'smartmenusbycohort', 'theme_boost_union');
 
         // Add operator as select element.
-        $operatoroptions = array(
+        $operatoroptions = [
                 smartmenu::ANY => get_string('any'),
                 smartmenu::ALL => get_string('all'),
-        );
+        ];
         $mform->addElement('select', 'operator', get_string('smartmenusoperator', 'theme_boost_union'), $operatoroptions);
         $mform->setDefault('operator', smartmenu::ANY);
         $mform->setType('operator', PARAM_INT);
@@ -384,7 +384,7 @@ public function definition() {
 
         // Add by language as autocomplete element.
         $languagelist = get_string_manager()->get_list_of_translations();
-        $langoptions = array();
+        $langoptions = [];
         foreach ($languagelist as $key => $lang) {
             $langoptions[$key] = $lang;
         }
@@ -404,12 +404,12 @@ public function definition() {
 
         // Add from as datepicker element.
         $mform->addElement('date_time_selector', 'start_date',
-                get_string('smartmenusbydatefrom', 'theme_boost_union'), array('optional' => true));
+                get_string('smartmenusbydatefrom', 'theme_boost_union'), ['optional' => true]);
         $mform->addHelpButton('start_date', 'smartmenusbydatefrom', 'theme_boost_union');
 
         // Add until as datepicker element.
         $mform->addElement('date_time_selector', 'end_date',
-                get_string('smartmenusbydateuntil', 'theme_boost_union'), array('optional' => true));
+                get_string('smartmenusbydateuntil', 'theme_boost_union'), ['optional' => true]);
         $mform->addHelpButton('end_date', 'smartmenusbydateuntil', 'theme_boost_union');
 
         // Add the action buttons.
diff --git a/classes/output/core_renderer.php b/classes/output/core_renderer.php
index dd40392933a..2f8347b7fdb 100644
--- a/classes/output/core_renderer.php
+++ b/classes/output/core_renderer.php
@@ -284,7 +284,7 @@ public function get_compact_logo_url($maxwidth = 300, $maxheight = 300) {
      * @param string|array $additionalclasses Any additional classes to give the body tag,
      * @return string
      */
-    public function body_attributes($additionalclasses = array()) {
+    public function body_attributes($additionalclasses = []) {
         global $CFG;
 
         // Require local libraries.
diff --git a/classes/output/navigation/primary.php b/classes/output/navigation/primary.php
index f899ea2b630..19c2175c5d8 100644
--- a/classes/output/navigation/primary.php
+++ b/classes/output/navigation/primary.php
@@ -28,7 +28,7 @@
 use renderer_base;
 use templatable;
 use custom_menu;
-use \theme_boost_union\smartmenu;
+use theme_boost_union\smartmenu;
 
 /**
  * Primary navigation renderable.
@@ -147,7 +147,7 @@ public function export_for_template(?renderer_base $output = null): array {
             'menubar' => isset($menubarmoremenu) ? $menubarmoremenu->export_for_template($output) : false,
             'lang' => !isloggedin() || isguestuser() ? $languagemenu->export_for_template($output) : [],
             'user' => $usermenu ?? [],
-            'bottombar' => $bottombardata ?? false
+            'bottombar' => $bottombardata ?? false,
         ];
     }
 
@@ -233,7 +233,7 @@ public function build_usermenus(&$usermenu, $menus) {
             'title' => '####',
             'itemtype' => 'divider',
             'divider' => 1,
-            'link' => ''
+            'link' => '',
         ];
         array_push($usermenu['items'], $divider);
 
diff --git a/classes/smartmenu.php b/classes/smartmenu.php
index ff338a22c75..d135bbf37a5 100644
--- a/classes/smartmenu.php
+++ b/classes/smartmenu.php
@@ -467,7 +467,7 @@ protected function get_cardform() {
                 self::CARDFORM_SQUARE => 'square',
                 self::CARDFORM_PORTRAIT => 'portrait',
                 self::CARDFORM_LANDSCAPE => 'landscape',
-                self::CARDFORM_FULLWIDTH => 'fullwidth'
+                self::CARDFORM_FULLWIDTH => 'fullwidth',
         ];
 
         return isset($options[$this->menu->cardform]) ? 'card-form-'.$options[$this->menu->cardform] : '';
@@ -484,7 +484,7 @@ protected function get_cardsize() {
                 self::CARDSIZE_TINY => 'tiny',
                 self::CARDSIZE_SMALL => 'small',
                 self::CARDSIZE_MEDIUM => 'medium',
-                self::CARDSIZE_LARGE => 'large'
+                self::CARDSIZE_LARGE => 'large',
         ];
 
         return isset($options[$this->menu->cardsize]) ? 'card-size-' . $options[$this->menu->cardsize] : '';
@@ -499,7 +499,7 @@ public function get_cardwrap() {
 
         $options = [
                 self::CARDOVERFLOWBEHAVIOUR_WRAP => 'wrap',
-                self::CARDOVERFLOWBEHAVIOUR_NOWRAP => 'no-wrap'
+                self::CARDOVERFLOWBEHAVIOUR_NOWRAP => 'no-wrap',
         ];
 
         return isset($options[$this->menu->cardoverflowbehavior]) ? 'card-overflow-' .
@@ -521,7 +521,7 @@ public function get_menu_items() {
             ORDER BY mi.sortorder ASC";
 
         $params = [
-            'id' => $this->menu->id
+            'id' => $this->menu->id,
         ];
         $items = $DB->get_records_sql($sql, $params);
 
@@ -602,7 +602,7 @@ public function build($resetcache=false) {
                     'card' => ($this->menu->type == self::TYPE_CARD) ? true : false,
                     'forceintomoremenu' => ($this->menu->moremenubehavior == self::MOREMENU_INTO) ? true : false,
                     'haschildren' => 0,
-                    'sort' => uniqid() // Support third level menu.
+                    'sort' => uniqid(), // Support third level menu.
                 ];
 
                 // Add the description data to nodes. Inline mode menus not supports the menu.
@@ -622,7 +622,7 @@ public function build($resetcache=false) {
                             'text' => $description,
                             'alt' => $alt,
                             'icon' => (new \pix_icon('help', $alt, 'core', ['class' => 'iconhelp']))->export_for_template($OUTPUT),
-                            'ltr' => !right_to_left()
+                            'ltr' => !right_to_left(),
                         ];
                         $nodes->helpicon = $OUTPUT->render_from_template('core/help_icon', $data);
                     }
@@ -775,7 +775,7 @@ public static function update_menu_valuesformat($menu) {
 
         $menu->description = [
             'text'   => $menu->description,
-            'format' => $menu->description_format
+            'format' => $menu->description_format,
         ];
         // Decode the multiple option select elements values to array.
         $menu->location = json_decode($menu->location);
@@ -816,12 +816,12 @@ public static function get_lastmenu() {
      */
     public static function get_locations() {
         // List of locations where same menu can be used in multiple places.
-        $locations = array(
+        $locations = [
             self::LOCATION_MAIN => get_string('smartmenusmenulocationmain', 'theme_boost_union'),
             self::LOCATION_MENU => get_string('smartmenusmenulocationmenu', 'theme_boost_union'),
             self::LOCATION_USER => get_string('smartmenusmenulocationuser', 'theme_boost_union'),
-            self::LOCATION_BOTTOM => get_string('smartmenusmenulocationbottom', 'theme_boost_union')
-        );
+            self::LOCATION_BOTTOM => get_string('smartmenusmenulocationbottom', 'theme_boost_union'),
+        ];
 
         return $locations;
     }
@@ -843,10 +843,10 @@ public static function get_location($location) {
      * @return array An array with all available types, where key is the type id and value is the localized type name.
      */
     public static function get_types() {
-        $types = array(
+        $types = [
             self::TYPE_LIST => get_string('smartmenusmenutypelist', 'theme_boost_union'),
-            self::TYPE_CARD => get_string('smartmenusmenutypecard', 'theme_boost_union')
-        );
+            self::TYPE_CARD => get_string('smartmenusmenutypecard', 'theme_boost_union'),
+        ];
 
         return $types;
     }
diff --git a/classes/smartmenu_item.php b/classes/smartmenu_item.php
index 2ede3ba94ac..b8da4cf4191 100644
--- a/classes/smartmenu_item.php
+++ b/classes/smartmenu_item.php
@@ -31,7 +31,7 @@
 use smartmenu_helper;
 use stdClass;
 use cache;
-use \core_course\external\course_summary_exporter;
+use core_course\external\course_summary_exporter;
 
 require_once($CFG->dirroot.'/theme/boost_union/smartmenus/menulib.php');
 
@@ -366,7 +366,7 @@ public function move_upward() {
             $sql = 'SELECT * FROM {theme_boost_union_menuitems} WHERE sortorder < :pos AND menu = :menu ORDER BY sortorder ASC';
             $previtems = $DB->get_records_sql($sql, [
                 'pos' => $currentposition,
-                'menu' => $this->item->menu
+                'menu' => $this->item->menu,
             ]);
 
             if (empty($previtems)) {
@@ -378,12 +378,12 @@ public function move_upward() {
             // Update the menu position to upwards.
             $DB->set_field('theme_boost_union_menuitems', 'sortorder', $previtem->sortorder, [
                 'id' => $this->id,
-                'menu' => $this->item->menu
+                'menu' => $this->item->menu,
             ]);
             // Set the prevmenu position to down.
             $DB->set_field('theme_boost_union_menuitems', 'sortorder', $currentposition, [
                 'id' => $previtem->id,
-                'menu' => $this->item->menu
+                'menu' => $this->item->menu,
             ]);
 
             // Difference between two items is more than 1 then reorder the items.
@@ -411,7 +411,7 @@ public function move_downward() {
         $sql = 'SELECT * FROM {theme_boost_union_menuitems} WHERE sortorder > :pos AND menu = :menu ORDER BY sortorder ASC';
         $nextitems = $DB->get_records_sql($sql, [
             'pos' => $currentposition,
-            'menu' => $this->item->menu
+            'menu' => $this->item->menu,
         ]);
 
         if (empty($nextitems)) {
@@ -422,12 +422,12 @@ public function move_downward() {
         // Update the menu position to down.
         $DB->set_field('theme_boost_union_menuitems', 'sortorder', $nextitem->sortorder, [
             'id' => $this->id,
-            'menu' => $this->item->menu
+            'menu' => $this->item->menu,
         ]);
         // Set the prevmenu position to up.
         $DB->set_field('theme_boost_union_menuitems', 'sortorder', $currentposition, [
             'id' => $nextitem->id,
-            'menu' => $this->item->menu
+            'menu' => $this->item->menu,
         ]);
 
         // Difference between two items is more than 1 then reorder the items.
@@ -1046,7 +1046,7 @@ public function generate_node_data($title, $url, $key=null, $tooltip=null,
             'itemimage' => $itemimage,
             'itemtype' => 'link',
             'link' => 1,
-            'sort' => uniqid() // Support third level menu.
+            'sort' => uniqid(), // Support third level menu.
         ];
 
         if ($haschildren && !empty($children)) {
@@ -1054,10 +1054,10 @@ public function generate_node_data($title, $url, $key=null, $tooltip=null,
         }
 
         if ($this->item->target == self::TARGET_NEW && $url != '') {
-            $data['attributes'] = array([
+            $data['attributes'] = [[
                 'name' => 'target',
-                'value' => '__blank'
-            ]);
+                'value' => '__blank',
+            ], ];
         }
 
         if (preg_match("/^#+$/", format_string($title))) {
@@ -1187,11 +1187,11 @@ public static function load_custom_field_config(&$mform) {
      * @return array|string An array of types if $type is null, or a string with the name of the specific type.
      */
     public static function get_types(int $type=null) {
-        $types = array(
+        $types = [
                 self::TYPESTATIC => get_string('smartmenusmenuitemtypestatic', 'theme_boost_union'),
                 self::TYPEHEADING => get_string('smartmenusmenuitemtypeheading', 'theme_boost_union'),
                 self::TYPEDYNAMIC => get_string('smartmenusmenuitemtypedynamiccourses', 'theme_boost_union'),
-        );
+        ];
 
         return ($type !== null && isset($types[$type])) ? $types[$type] : $types;
     }
@@ -1207,7 +1207,7 @@ public static function get_display_options(int $option=null) {
         $displayoptions = [
                 self::DISPLAY_SHOWTITLEICON => get_string('smartmenusmenuitemdisplayoptionsshowtitleicon', 'theme_boost_union'),
                 self::DISPLAY_HIDETITLE => get_string('smartmenushidetitle', 'theme_boost_union'),
-                self::DISPLAY_HIDETITLEMOBILE => get_string('smartmenushidetitlemobile', 'theme_boost_union')
+                self::DISPLAY_HIDETITLEMOBILE => get_string('smartmenushidetitlemobile', 'theme_boost_union'),
         ];
 
         return ($option !== null && isset($displayoptions[$option])) ? $displayoptions[$option] : $displayoptions;
@@ -1277,7 +1277,7 @@ public static function manage_instance($formdata) {
                     'oldorder' => $oldrecord->sortorder,
                     'neworder' => $record->sortorder,
                     'item' => $formdata->id,
-                    'menuid' => $formdata->menu
+                    'menuid' => $formdata->menu,
                 ]);
             }
 
diff --git a/classes/table/flavours_overview.php b/classes/table/flavours_overview.php
index a293de6421e..b8f9eea3d54 100644
--- a/classes/table/flavours_overview.php
+++ b/classes/table/flavours_overview.php
@@ -92,15 +92,15 @@ public function col_updown($data) {
         $updown = '';
 
         // Get spacer icon.
-        $spacer = $OUTPUT->pix_icon('spacer', '', 'moodle', array('class' => 'iconsmall'));
+        $spacer = $OUTPUT->pix_icon('spacer', '', 'moodle', ['class' => 'iconsmall']);
 
         // If there is more than one flavour and we do not handle the first (number 0) flavour.
         if ($this->count > 0) {
             // Add the up icon.
             $updown .= \html_writer::link($actionurl->out(false,
-                    array('action' => 'up', 'id' => $data->id, 'sesskey' => sesskey())),
+                    ['action' => 'up', 'id' => $data->id, 'sesskey' => sesskey()]),
                     $OUTPUT->pix_icon('t/up', get_string('up'), 'moodle',
-                            array('class' => 'iconsmall')), array('class' => 'sort-flavour-up-action'));
+                            ['class' => 'iconsmall']), ['class' => 'sort-flavour-up-action']);
 
             // Otherwise, just add a spacer.
         } else {
@@ -112,9 +112,9 @@ public function col_updown($data) {
             // Add the down icon.
             $updown .= '&nbsp;';
             $updown .= \html_writer::link($actionurl->out(false,
-                    array('action' => 'down', 'id' => $data->id, 'sesskey' => sesskey())),
+                    ['action' => 'down', 'id' => $data->id, 'sesskey' => sesskey()]),
                     $OUTPUT->pix_icon('t/down', get_string('down'), 'moodle',
-                            array('class' => 'iconsmall')), array('class' => 'sort-flavour-down-action'));
+                            ['class' => 'iconsmall']), ['class' => 'sort-flavour-down-action']);
 
             // Otherwise, just add a spacer.
         } else {
@@ -136,20 +136,20 @@ public function col_updown($data) {
      */
     public function col_appliesto($data) {
         // Initialize the badges.
-        $badges = array();
+        $badges = [];
 
         // If apply-to-categories is enabled, add a badge.
         if ($data->applytocategories == true) {
             $badges[] = \html_writer::tag('span',
                     get_string('categories'),
-                    array('class' => 'badge badge-primary'));
+                    ['class' => 'badge badge-primary']);
         }
 
         // If apply-to-cohorts is enabled, add a badge.
         if ($data->applytocohorts == true) {
             $badges[] = \html_writer::tag('span',
                     get_string('cohorts', 'cohort'),
-                    array('class' => 'badge badge-primary'));
+                    ['class' => 'badge badge-primary']);
         }
 
         // Implode and return the badges.
@@ -168,33 +168,33 @@ public function col_actions($data) {
         global $OUTPUT;
 
         // Initialize actions.
-        $actions = array();
+        $actions = [];
 
         // Preview.
-        $actions[] = array(
-                'url' => new \moodle_url('/theme/boost_union/flavours/preview.php', array('id' => $data->id)),
+        $actions[] = [
+                'url' => new \moodle_url('/theme/boost_union/flavours/preview.php', ['id' => $data->id]),
                 'icon' => new \pix_icon('i/search', get_string('flavoursedit', 'theme_boost_union')),
-                'attributes' => array('class' => 'action-preview')
-        );
+                'attributes' => ['class' => 'action-preview'],
+        ];
 
         // Edit.
-        $actions[] = array(
+        $actions[] = [
                 'url' => new \moodle_url('/theme/boost_union/flavours/edit.php',
-                        array('action' => 'edit', 'id' => $data->id, 'sesskey' => sesskey())),
+                        ['action' => 'edit', 'id' => $data->id, 'sesskey' => sesskey()]),
                 'icon' => new \pix_icon('t/edit', get_string('flavoursedit', 'theme_boost_union')),
-                'attributes' => array('class' => 'action-edit')
-        );
+                'attributes' => ['class' => 'action-edit'],
+        ];
 
         // Delete.
-        $actions[] = array(
+        $actions[] = [
                 'url' => new \moodle_url('/theme/boost_union/flavours/edit.php',
-                        array('action' => 'delete', 'id' => $data->id, 'sesskey' => sesskey())),
+                        ['action' => 'delete', 'id' => $data->id, 'sesskey' => sesskey()]),
                 'icon' => new \pix_icon('t/delete', get_string('flavourspreview', 'theme_boost_union')),
-                'attributes' => array('class' => 'action-delete')
-        );
+                'attributes' => ['class' => 'action-delete'],
+        ];
 
         // Compose action icons for all actions.
-        $actionshtml = array();
+        $actionshtml = [];
         foreach ($actions as $action) {
             $action['attributes']['role'] = 'button';
             $actionshtml[] = $OUTPUT->action_icon(
diff --git a/classes/table/smartmenus_items.php b/classes/table/smartmenus_items.php
index b4e5b9e6d17..1295d3301c0 100644
--- a/classes/table/smartmenus_items.php
+++ b/classes/table/smartmenus_items.php
@@ -116,10 +116,10 @@ public function col_restrictions($data) {
             });
 
             // Amend rule list.
-            $rules[] = array(
+            $rules[] = [
                 'name' => get_string('smartmenusbyrole', 'theme_boost_union'),
-                'value' => implode(' ', $rolenames)
-            );
+                'value' => implode(' ', $rolenames),
+            ];
         }
 
         // If we have cohort restrictions.
@@ -132,10 +132,10 @@ public function col_restrictions($data) {
             });
 
             // Amend rule list.
-            $rules[] = array(
+            $rules[] = [
                 'name' => get_string('smartmenusbycohort', 'theme_boost_union'),
-                'value' => implode(' ', $cohortlist)
-            );
+                'value' => implode(' ', $cohortlist),
+            ];
         }
 
         // If we have language restrictions.
@@ -143,7 +143,7 @@ public function col_restrictions($data) {
             // Compose the rule list.
             $languages = json_decode($data->languages);
             $options = get_string_manager()->get_list_of_translations();
-            $languagelist = array();
+            $languagelist = [];
             foreach ($languages as $lang) {
                 if (isset($options[$lang])) {
                     $languagelist[] = \html_writer::tag('span', $options[$lang], ['class' => 'badge badge-primary']);
@@ -151,10 +151,10 @@ public function col_restrictions($data) {
             }
 
             // Amend rule list.
-            $rules[] = array(
+            $rules[] = [
                 'name' => get_string('smartmenusbylanguage', 'theme_boost_union'),
-                'value' => implode(' ', $languagelist)
-            );
+                'value' => implode(' ', $languagelist),
+            ];
         }
 
         // If we have date restrictions.
@@ -176,10 +176,10 @@ public function col_restrictions($data) {
             });
 
             // Amend rule list.
-            $rules[] = array(
+            $rules[] = [
                     'name' => get_string('smartmenusbydate', 'theme_boost_union'),
-                    'value' => implode(' ', $datelist)
-            );
+                    'value' => implode(' ', $datelist),
+            ];
         }
 
         // Compose the restriction list.
@@ -211,15 +211,15 @@ public function col_updown($data) {
         $updown = '';
 
         // Get spacer icon.
-        $spacer = $OUTPUT->pix_icon('spacer', '', 'moodle', array('class' => 'iconsmall'));
+        $spacer = $OUTPUT->pix_icon('spacer', '', 'moodle', ['class' => 'iconsmall']);
 
         // If there is more than one smart menu item and we do not handle the first (number 0) smart menu item.
         if ($this->count > 0) {
             // Add the up icon.
             $updown .= \html_writer::link($actionurl->out(false,
-                    array('action' => 'up', 'id' => $data->id, 'sesskey' => sesskey())),
+                    ['action' => 'up', 'id' => $data->id, 'sesskey' => sesskey()]),
                     $OUTPUT->pix_icon('t/up', get_string('up'), 'moodle',
-                            array('class' => 'iconsmall')), array('class' => 'sort-smartmenuitems-up-action'));
+                            ['class' => 'iconsmall']), ['class' => 'sort-smartmenuitems-up-action']);
 
             // Otherwise, just add a spacer.
         } else {
@@ -231,9 +231,9 @@ public function col_updown($data) {
             // Add the down icon.
             $updown .= '&nbsp;';
             $updown .= \html_writer::link($actionurl->out(false,
-                    array('action' => 'down', 'id' => $data->id, 'sesskey' => sesskey())),
+                    ['action' => 'down', 'id' => $data->id, 'sesskey' => sesskey()]),
                     $OUTPUT->pix_icon('t/down', get_string('down'), 'moodle',
-                            array('class' => 'iconsmall')), array('class' => 'sort-smartmenuitems-down-action'));
+                            ['class' => 'iconsmall']), ['class' => 'sort-smartmenuitems-down-action']);
 
             // Otherwise, just add a spacer.
         } else {
@@ -260,48 +260,48 @@ public function col_actions($data) {
         $actionurl = new \moodle_url('/theme/boost_union/smartmenus/items.php');
 
         // Initialize actions.
-        $actions = array();
+        $actions = [];
 
         // Show/Hide.
         if ($data->visible) {
-            $actions[] = array(
-                'url' => new \moodle_url($actionurl, array('action' => 'hide', 'id' => $data->id, 'sesskey' => sesskey())),
+            $actions[] = [
+                'url' => new \moodle_url($actionurl, ['action' => 'hide', 'id' => $data->id, 'sesskey' => sesskey()]),
                 'icon' => new \pix_icon('t/hide', get_string('hide')),
-                'attributes' => array('class' => 'action-hide')
-            );
+                'attributes' => ['class' => 'action-hide'],
+            ];
         } else {
-            $actions[] = array(
-                'url' => new \moodle_url($actionurl, array('action' => 'show', 'id' => $data->id, 'sesskey' => sesskey())),
+            $actions[] = [
+                'url' => new \moodle_url($actionurl, ['action' => 'show', 'id' => $data->id, 'sesskey' => sesskey()]),
                 'icon' => new \pix_icon('t/show', get_string('show')),
-                'attributes' => array('class' => 'action-show')
-            );
+                'attributes' => ['class' => 'action-show'],
+            ];
         }
 
         // Edit.
-        $actions[] = array(
+        $actions[] = [
             'url' => new \moodle_url('/theme/boost_union/smartmenus/edit_items.php',
-                    array('id' => $data->id, 'sesskey' => sesskey())),
+                    ['id' => $data->id, 'sesskey' => sesskey()]),
             'icon' => new \pix_icon('t/edit', get_string('edit')),
-            'attributes' => array('class' => 'action-edit')
-        );
+            'attributes' => ['class' => 'action-edit'],
+        ];
 
         // Duplicate.
-        $actions[] = array(
-            'url' => new \moodle_url($actionurl, array('action' => 'copy', 'id' => $data->id, 'sesskey' => sesskey())),
+        $actions[] = [
+            'url' => new \moodle_url($actionurl, ['action' => 'copy', 'id' => $data->id, 'sesskey' => sesskey()]),
             'icon' => new \pix_icon('t/copy', get_string('smartmenusmenuitemduplicate', 'theme_boost_union')),
-            'attributes' => array('class' => 'action-copy')
-        );
+            'attributes' => ['class' => 'action-copy'],
+        ];
 
         // Delete.
-        $actions[] = array(
-            'url' => new \moodle_url($actionurl, array('action' => 'delete', 'id' => $data->id, 'sesskey' => sesskey())),
+        $actions[] = [
+            'url' => new \moodle_url($actionurl, ['action' => 'delete', 'id' => $data->id, 'sesskey' => sesskey()]),
             'icon' => new \pix_icon('t/delete', get_string('delete')),
-            'attributes' => array('class' => 'action-delete'),
-            'confirm' => new \confirm_action(get_string('smartmenusmenuitemdeleteconfirm', 'theme_boost_union'))
-        );
+            'attributes' => ['class' => 'action-delete'],
+            'confirm' => new \confirm_action(get_string('smartmenusmenuitemdeleteconfirm', 'theme_boost_union')),
+        ];
 
         // Compose action icons for all actions.
-        $actionshtml = array();
+        $actionshtml = [];
         foreach ($actions as $action) {
             $action['attributes']['role'] = 'button';
             $actionshtml[] = $OUTPUT->action_icon(
@@ -331,7 +331,7 @@ public function query_db($pagesize, $useinitialsbar = true) {
                 FROM {theme_boost_union_menuitems} t
                 WHERE menu=:menuid
                 ORDER BY sortorder';
-        $sqlparams = array('menuid' => $this->menuid);
+        $sqlparams = ['menuid' => $this->menuid];
 
         // Get records.
         $this->rawdata = $DB->get_recordset_sql($sql, $sqlparams);
diff --git a/classes/table/smartmenus_menus.php b/classes/table/smartmenus_menus.php
index 5e3851bf345..91a3cbbe563 100644
--- a/classes/table/smartmenus_menus.php
+++ b/classes/table/smartmenus_menus.php
@@ -124,15 +124,15 @@ public function col_updown($data) {
         $updown = '';
 
         // Get spacer icon.
-        $spacer = $OUTPUT->pix_icon('spacer', '', 'moodle', array('class' => 'iconsmall'));
+        $spacer = $OUTPUT->pix_icon('spacer', '', 'moodle', ['class' => 'iconsmall']);
 
         // If there is more than one smart menu and we do not handle the first (number 0) smart menu.
         if ($this->count > 0) {
             // Add the up icon.
             $updown .= \html_writer::link($actionurl->out(false,
-                    array('action' => 'up', 'id' => $data->id, 'sesskey' => sesskey())),
+                    ['action' => 'up', 'id' => $data->id, 'sesskey' => sesskey()]),
                     $OUTPUT->pix_icon('t/up', get_string('up'), 'moodle',
-                            array('class' => 'iconsmall')), array('class' => 'sort-smartmenus-up-action'));
+                            ['class' => 'iconsmall']), ['class' => 'sort-smartmenus-up-action']);
 
             // Otherwise, just add a spacer.
         } else {
@@ -144,9 +144,9 @@ public function col_updown($data) {
             // Add the down icon.
             $updown .= '&nbsp;';
             $updown .= \html_writer::link($actionurl->out(false,
-                    array('action' => 'down', 'id' => $data->id, 'sesskey' => sesskey())),
+                    ['action' => 'down', 'id' => $data->id, 'sesskey' => sesskey()]),
                     $OUTPUT->pix_icon('t/down', get_string('down'), 'moodle',
-                            array('class' => 'iconsmall')), array('class' => 'sort-smartmenus-down-action'));
+                            ['class' => 'iconsmall']), ['class' => 'sort-smartmenus-down-action']);
 
             // Otherwise, just add a spacer.
         } else {
@@ -173,54 +173,54 @@ public function col_actions($data) {
         $actionurl = new \moodle_url('/theme/boost_union/smartmenus/menus.php');
 
         // Initialize actions.
-        $actions = array();
+        $actions = [];
 
         // Show/Hide.
         if ($data->visible) {
-            $actions[] = array(
-                'url' => new \moodle_url($actionurl, array('action' => 'hide', 'id' => $data->id, 'sesskey' => sesskey())),
+            $actions[] = [
+                'url' => new \moodle_url($actionurl, ['action' => 'hide', 'id' => $data->id, 'sesskey' => sesskey()]),
                 'icon' => new \pix_icon('t/hide', get_string('hide')),
-                'attributes' => array('class' => 'action-hide')
-            );
+                'attributes' => ['class' => 'action-hide'],
+            ];
         } else {
-            $actions[] = array(
-                'url' => new \moodle_url($actionurl, array('action' => 'show', 'id' => $data->id, 'sesskey' => sesskey())),
+            $actions[] = [
+                'url' => new \moodle_url($actionurl, ['action' => 'show', 'id' => $data->id, 'sesskey' => sesskey()]),
                 'icon' => new \pix_icon('t/show', get_string('show')),
-                'attributes' => array('class' => 'action-show')
-            );
+                'attributes' => ['class' => 'action-show'],
+            ];
         }
 
         // Edit.
-        $actions[] = array(
-            'url' => new \moodle_url('/theme/boost_union/smartmenus/edit.php', array('id' => $data->id, 'sesskey' => sesskey())),
+        $actions[] = [
+            'url' => new \moodle_url('/theme/boost_union/smartmenus/edit.php', ['id' => $data->id, 'sesskey' => sesskey()]),
             'icon' => new \pix_icon('t/edit', get_string('edit')),
-            'attributes' => array('class' => 'action-edit')
-        );
+            'attributes' => ['class' => 'action-edit'],
+        ];
 
         // Duplicate.
-        $actions[] = array(
-            'url' => new \moodle_url($actionurl, array('action' => 'copy', 'id' => $data->id, 'sesskey' => sesskey())),
+        $actions[] = [
+            'url' => new \moodle_url($actionurl, ['action' => 'copy', 'id' => $data->id, 'sesskey' => sesskey()]),
             'icon' => new \pix_icon('t/copy', get_string('smartmenusmenuduplicate', 'theme_boost_union')),
-            'attributes' => array('class' => 'action-copy')
-        );
+            'attributes' => ['class' => 'action-copy'],
+        ];
 
         // List items.
-        $actions[] = array(
-            'url' => new \moodle_url('/theme/boost_union/smartmenus/items.php', array('menu' => $data->id)),
+        $actions[] = [
+            'url' => new \moodle_url('/theme/boost_union/smartmenus/items.php', ['menu' => $data->id]),
             'icon' => new \pix_icon('e/bullet_list', get_string('list')),
-            'attributes' => array('class' => 'action-list-items')
-        );
+            'attributes' => ['class' => 'action-list-items'],
+        ];
 
         // Delete.
-        $actions[] = array(
-            'url' => new \moodle_url($actionurl, array('action' => 'delete', 'id' => $data->id, 'sesskey' => sesskey())),
+        $actions[] = [
+            'url' => new \moodle_url($actionurl, ['action' => 'delete', 'id' => $data->id, 'sesskey' => sesskey()]),
             'icon' => new \pix_icon('t/delete', get_string('delete')),
-            'attributes' => array('class' => 'action-delete'),
-            'confirm' => new \confirm_action(get_string('smartmenusmenudeleteconfirm', 'theme_boost_union'))
-        );
+            'attributes' => ['class' => 'action-delete'],
+            'confirm' => new \confirm_action(get_string('smartmenusmenudeleteconfirm', 'theme_boost_union')),
+        ];
 
         // Compose action icons for all actions.
-        $actionshtml = array();
+        $actionshtml = [];
         foreach ($actions as $action) {
             $action['attributes']['role'] = 'button';
             $actionshtml[] = $OUTPUT->action_icon(
diff --git a/db/access.php b/db/access.php
index 7bd4c7794a0..4f4f9869f31 100644
--- a/db/access.php
+++ b/db/access.php
@@ -24,305 +24,305 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$capabilities = array(
+$capabilities = [
 
     // Ability to configure the theme as non-admin.
-    'theme/boost_union:configure' => array(
+    'theme/boost_union:configure' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_SYSTEM,
-        'riskbitmask' => RISK_XSS | RISK_CONFIG
-    ),
+        'riskbitmask' => RISK_XSS | RISK_CONFIG,
+    ],
     // Ability to see a hint for unrestricted self enrolment in a visible course.
-    'theme/boost_union:viewhintcourseselfenrol' => array(
+    'theme/boost_union:viewhintcourseselfenrol' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see a hint in a hidden course.
-    'theme/boost_union:viewhintinhiddencourse' => array(
+    'theme/boost_union:viewhintinhiddencourse' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the header block region.
-    'theme/boost_union:viewregionheader' => array(
+    'theme/boost_union:viewregionheader' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the header block region.
-    'theme/boost_union:editregionheader' => array(
+    'theme/boost_union:editregionheader' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the outsideleft block region.
-    'theme/boost_union:viewregionoutsideleft' => array(
+    'theme/boost_union:viewregionoutsideleft' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the outsideleft block region.
-    'theme/boost_union:editregionoutsideleft' => array(
+    'theme/boost_union:editregionoutsideleft' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the outsideright block region.
-    'theme/boost_union:viewregionoutsideright' => array(
+    'theme/boost_union:viewregionoutsideright' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the outsideright block region.
-    'theme/boost_union:editregionoutsideright' => array(
+    'theme/boost_union:editregionoutsideright' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the outsidetop block region.
-    'theme/boost_union:viewregionoutsidetop' => array(
+    'theme/boost_union:viewregionoutsidetop' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the outsidetop block region.
-    'theme/boost_union:editregionoutsidetop' => array(
+    'theme/boost_union:editregionoutsidetop' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the outsidebottom block region.
-    'theme/boost_union:viewregionoutsidebottom' => array(
+    'theme/boost_union:viewregionoutsidebottom' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the outsidebottom block region.
-    'theme/boost_union:editregionoutsidebottom' => array(
+    'theme/boost_union:editregionoutsidebottom' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the contentupper block region.
-    'theme/boost_union:viewregioncontentupper' => array(
+    'theme/boost_union:viewregioncontentupper' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the contentupper block region.
-    'theme/boost_union:editregioncontentupper' => array(
+    'theme/boost_union:editregioncontentupper' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the contentlower block region.
-    'theme/boost_union:viewregioncontentlower' => array(
+    'theme/boost_union:viewregioncontentlower' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the contentlower block region.
-    'theme/boost_union:editregioncontentlower' => array(
+    'theme/boost_union:editregioncontentlower' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the footerleft block region.
-    'theme/boost_union:viewregionfooterleft' => array(
+    'theme/boost_union:viewregionfooterleft' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the footerleft block region.
-    'theme/boost_union:editregionfooterleft' => array(
+    'theme/boost_union:editregionfooterleft' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the footerright block region.
-    'theme/boost_union:viewregionfooterright' => array(
+    'theme/boost_union:viewregionfooterright' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the footerright block region.
-    'theme/boost_union:editregionfooterright' => array(
+    'theme/boost_union:editregionfooterright' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the footercenter block region.
-    'theme/boost_union:viewregionfootercenter' => array(
+    'theme/boost_union:viewregionfootercenter' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the footercenter block region.
-    'theme/boost_union:editregionfootercenter' => array(
+    'theme/boost_union:editregionfootercenter' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the offcanvas left block region.
-    'theme/boost_union:viewregionoffcanvasleft' => array(
+    'theme/boost_union:viewregionoffcanvasleft' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the offcanvas left block region.
-    'theme/boost_union:editregionoffcanvasleft' => array(
+    'theme/boost_union:editregionoffcanvasleft' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the offcanvas right block region.
-    'theme/boost_union:viewregionoffcanvasright' => array(
+    'theme/boost_union:viewregionoffcanvasright' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the offcanvas right block region.
-    'theme/boost_union:editregionoffcanvasright' => array(
+    'theme/boost_union:editregionoffcanvasright' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to see the offcanvas center block region.
-    'theme/boost_union:viewregionoffcanvascenter' => array(
+    'theme/boost_union:viewregionoffcanvascenter' => [
         'captype' => 'read',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'user' => CAP_ALLOW,
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
+            'manager' => CAP_ALLOW,
+        ],
+    ],
     // Ability to edit the offcanvas center block region.
-    'theme/boost_union:editregionoffcanvascenter' => array(
+    'theme/boost_union:editregionoffcanvascenter' => [
         'captype' => 'write',
         'contextlevel' => CONTEXT_COURSE,
-        'archetypes' => array(
+        'archetypes' => [
             'teacher' => CAP_ALLOW,
             'editingteacher' => CAP_ALLOW,
-            'manager' => CAP_ALLOW
-        ),
-    ),
-);
+            'manager' => CAP_ALLOW,
+        ],
+    ],
+];
diff --git a/db/caches.php b/db/caches.php
index ade4a499572..50622dede8f 100644
--- a/db/caches.php
+++ b/db/caches.php
@@ -24,7 +24,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$definitions = array(
+$definitions = [
         // This cache stores the flavours which apply to a particular user in his user session.
         // It is there to avoid that the flavour which applies has to be calculated on every page load.
         // The cache key is the page category ID (and 0 for all non-category pages).
@@ -48,30 +48,30 @@
         // 4. When a user is added to / removed from a category
         // -- (this is realized with an event observer which sets a user preference flag, followed by a check in
         // -- theme_boost_union_get_flavour_which_applies() which purges the cache for the affected user).
-        'flavours' => array(
+        'flavours' => [
                 'mode' => cache_store::MODE_SESSION,
                 'simplekeys' => true,
                 'simpledata' => false,
-                'invalidationevents' => array(
+                'invalidationevents' => [
                     'theme_boost_union_flavours_resorted',
                     'theme_boost_union_flavours_created',
                     'theme_boost_union_flavours_edited',
                     'theme_boost_union_flavours_deleted',
-                    'theme_boost_union_cohort_deleted'
-                )
-        ),
+                    'theme_boost_union_cohort_deleted',
+                ],
+        ],
         // This cache stores the smart menus.
-        'smartmenus' => array(
+        'smartmenus' => [
                 'mode' => cache_store::MODE_APPLICATION,
                 'simplekeys' => true,
                 'simpledata' => false,
                 'overrideclass' => '\theme_boost_union\cache\loader',
-        ),
+        ],
         // This cache stores the smart menus' menu items.
-        'smartmenu_items' => array(
+        'smartmenu_items' => [
                 'mode' => cache_store::MODE_APPLICATION,
                 'simplekeys' => true,
                 'simpledata' => false,
                 'overrideclass' => '\theme_boost_union\cache\loader',
-        )
-);
+        ],
+];
diff --git a/db/events.php b/db/events.php
index 271bdce6c32..475ff990de8 100644
--- a/db/events.php
+++ b/db/events.php
@@ -24,62 +24,62 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$observers = array(
-        array(
+$observers = [
+        [
                 'eventname' => '\core\event\cohort_deleted',
-                'callback' => '\theme_boost_union\eventobservers::cohort_deleted'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::cohort_deleted',
+        ],
+        [
                 'eventname' => '\core\event\cohort_member_added',
-                'callback' => '\theme_boost_union\eventobservers::cohort_member_added'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::cohort_member_added',
+        ],
+        [
                 'eventname' => '\core\event\cohort_member_removed',
-                'callback' => '\theme_boost_union\eventobservers::cohort_member_removed'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::cohort_member_removed',
+        ],
+        [
                 'eventname' => 'core\event\role_assigned',
-                'callback' => '\theme_boost_union\eventobservers::role_assigned'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::role_assigned',
+        ],
+        [
                 'eventname' => 'core\event\role_deleted',
-                'callback' => '\theme_boost_union\eventobservers::role_deleted'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::role_deleted',
+        ],
+        [
                 'eventname' => 'core\event\role_unassigned',
-                'callback' => '\theme_boost_union\eventobservers::role_unassigned'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::role_unassigned',
+        ],
+        [
                 'eventname' => 'core\event\user_updated',
-                'callback' => '\theme_boost_union\eventobservers::user_updated'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::user_updated',
+        ],
+        [
                 'eventname' => 'core\event\course_created',
-                'callback' => '\theme_boost_union\eventobservers::course_updated'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::course_updated',
+        ],
+        [
                 'eventname' => 'core\event\course_completion_updated',
-                'callback' => '\theme_boost_union\eventobservers::completion_updated'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::completion_updated',
+        ],
+        [
                 'eventname' => 'core\event\course_module_completion_updated',
-                'callback' => '\theme_boost_union\eventobservers::completion_updated'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::completion_updated',
+        ],
+        [
                 'eventname' => 'core\event\course_updated',
-                'callback' => '\theme_boost_union\eventobservers::course_updated'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::course_updated',
+        ],
+        [
                 'eventname' => 'core\event\course_deleted',
-                'callback' => '\theme_boost_union\eventobservers::course_updated'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::course_updated',
+        ],
+        [
                 'eventname' => 'core\event\course_category_deleted',
-                'callback' => '\theme_boost_union\eventobservers::category_updated'
-        ),
-        array(
+                'callback' => '\theme_boost_union\eventobservers::category_updated',
+        ],
+        [
                 'eventname' => 'core\event\course_category_updated',
-                'callback' => '\theme_boost_union\eventobservers::category_updated'
-        ),
+                'callback' => '\theme_boost_union\eventobservers::category_updated',
+        ],
 
-);
+];
diff --git a/db/upgrade.php b/db/upgrade.php
index acd35b7336c..8719db12316 100644
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -95,10 +95,10 @@ function xmldb_theme_boost_union_upgrade($oldversion) {
                     $file = reset($files);
 
                     // Create the filerecord with the modified information.
-                    $filerecord = array(
+                    $filerecord = [
                             'component' => 'theme_boost_union',
                             'filearea' => $setting,
-                    );
+                    ];
 
                     // Copy the logo file to Boost Union.
                     $newfile = $fs->create_file_from_storedfile($filerecord, $file);
diff --git a/flavours/edit.php b/flavours/edit.php
index b9395badff5..8903fc5cf96 100644
--- a/flavours/edit.php
+++ b/flavours/edit.php
@@ -47,9 +47,9 @@
 $PAGE->set_context($context);
 $PAGE->set_url(new moodle_url('/theme/boost_union/flavours/edit.php', ['action' => $action]));
 $PAGE->set_cacheable(false);
-$PAGE->navbar->add(get_string('themes', 'core'), new moodle_url('/admin/category.php', array('category' => 'themes')));
+$PAGE->navbar->add(get_string('themes', 'core'), new moodle_url('/admin/category.php', ['category' => 'themes']));
 $PAGE->navbar->add(get_string('pluginname', 'theme_boost_union'), new moodle_url('/admin/category.php',
-        array('category' => 'theme_boost_union')));
+        ['category' => 'theme_boost_union']));
 $PAGE->navbar->add(get_string('flavoursflavours', 'theme_boost_union'), new moodle_url('/theme/boost_union/flavours/overview.php'));
 switch ($action) {
     case 'create':
@@ -119,7 +119,7 @@
             $backgroundimagefilename = theme_boost_union_flavours_get_filename('look_backgroundimage', $id);
 
             // Update the database record to include the file names.
-            $updaterecord = $DB->get_record('theme_boost_union_flavours', array('id' => $id));
+            $updaterecord = $DB->get_record('theme_boost_union_flavours', ['id' => $id]);
             $updaterecord->look_logo = $looklogofilename;
             $updaterecord->look_logocompact = $looklogocompactfilename;
             $updaterecord->look_favicon = $faviconfilename;
@@ -158,7 +158,7 @@
         $flavour = $DB->get_record('theme_boost_union_flavours', ['id' => $id], '*', MUST_EXIST);
 
         // Init form and pass the $flavour object to it.
-        $form = new \theme_boost_union\form\flavour_edit_form($PAGE->url, array('flavour' => $flavour));
+        $form = new \theme_boost_union\form\flavour_edit_form($PAGE->url, ['flavour' => $flavour]);
 
         // If the form was submitted.
         if ($data = $form->get_data()) {
@@ -193,7 +193,7 @@
             $backgroundimagefilename = theme_boost_union_flavours_get_filename('look_backgroundimage', $id);
 
             // Update the database record to include the file names.
-            $updaterecord = $DB->get_record('theme_boost_union_flavours', array('id' => $id));
+            $updaterecord = $DB->get_record('theme_boost_union_flavours', ['id' => $id]);
             $updaterecord->look_logo = $looklogofilename;
             $updaterecord->look_logocompact = $looklogocompactfilename;
             $updaterecord->look_favicon = $faviconfilename;
@@ -243,7 +243,7 @@
             // Gather the data for the form.
             $flavour->description = [
                     'text' => $flavour->description,
-                    'format' => $flavour->description_format
+                    'format' => $flavour->description_format,
             ];
             if (isset($flavour->applytocohorts_ids)) {
                 $flavour->applytocohorts_ids = json_decode($flavour->applytocohorts_ids, true);
@@ -267,7 +267,7 @@
         $flavour = $DB->get_record('theme_boost_union_flavours', ['id' => $id], '*', MUST_EXIST);
 
         // Init form and pass the $flavour object to it.
-        $form = new \theme_boost_union\form\flavour_delete_form($PAGE->url, array('flavour' => $flavour));
+        $form = new \theme_boost_union\form\flavour_delete_form($PAGE->url, ['flavour' => $flavour]);
 
         // If the form was submitted.
         if ($data = $form->get_data()) {
diff --git a/flavours/flavourslib.php b/flavours/flavourslib.php
index b8e5f94e3f9..398855dc6a9 100644
--- a/flavours/flavourslib.php
+++ b/flavours/flavourslib.php
@@ -60,7 +60,7 @@ function theme_boost_union_get_flavour_which_applies() {
             $previewflavourid = required_param('id', PARAM_INT);
 
             // Get and remember the given flavour.
-            $appliedflavour = $DB->get_record('theme_boost_union_flavours', array('id' => $previewflavourid));
+            $appliedflavour = $DB->get_record('theme_boost_union_flavours', ['id' => $previewflavourid]);
 
             // Remember the fact that the flavour has been checked for subsequent runs of this function.
             $flavourchecked = true;
@@ -122,7 +122,7 @@ function theme_boost_union_get_flavour_which_applies() {
                 // Otherwise.
             } else {
                 // Just remember an empty array to avoid breaking the following code.
-                $parentcategoryids = array();
+                $parentcategoryids = [];
             }
         }
 
@@ -134,7 +134,7 @@ function theme_boost_union_get_flavour_which_applies() {
         // Get all flavours from the DB.
         // The more flavours you have, the more this query will become heavier.
         // However, it is just called once per page category ID within a session, so we accept this for now.
-        $flavours = $DB->get_records('theme_boost_union_flavours', array(), 'sort ASC');
+        $flavours = $DB->get_records('theme_boost_union_flavours', [], 'sort ASC');
 
         // Iterate over the flavours.
         foreach ($flavours as $f) {
@@ -297,7 +297,7 @@ function theme_boost_union_flavour_exists_for_cohort($cohortid) {
     global $DB;
 
     // Get the flavours which are configured to apply to (any) cohort.
-    $flavoursforcohorts = $DB->get_records('theme_boost_union_flavours', array('applytocohorts' => 1), '', 'applytocohorts_ids');
+    $flavoursforcohorts = $DB->get_records('theme_boost_union_flavours', ['applytocohorts' => 1], '', 'applytocohorts_ids');
 
     // Iterate over the flavours.
     foreach ($flavoursforcohorts as $f) {
diff --git a/flavours/overview.php b/flavours/overview.php
index 8cb96e7d3cc..681a378e812 100644
--- a/flavours/overview.php
+++ b/flavours/overview.php
@@ -62,13 +62,13 @@
     switch ($action) {
         case 'up':
             // Move the flavour upwards.
-            $currentflavour = $DB->get_record('theme_boost_union_flavours', array('id' => $flavourid));
-            $prevflavour = $DB->get_record('theme_boost_union_flavours', array('sort' => $currentflavour->sort - 1));
+            $currentflavour = $DB->get_record('theme_boost_union_flavours', ['id' => $flavourid]);
+            $prevflavour = $DB->get_record('theme_boost_union_flavours', ['sort' => $currentflavour->sort - 1]);
             if ($prevflavour) {
                 $DB->set_field('theme_boost_union_flavours', 'sort', $prevflavour->sort,
-                        array('id' => $currentflavour->id));
+                        ['id' => $currentflavour->id]);
                 $DB->set_field('theme_boost_union_flavours', 'sort', $currentflavour->sort,
-                        array('id' => $prevflavour->id));
+                        ['id' => $prevflavour->id]);
 
                 // Purge the flavours cache as the users might get other flavours which apply after the sorting.
                 // We would have preferred using cache_helper::purge_by_definition, but this just purges the session cache
@@ -78,13 +78,13 @@
             break;
         case 'down':
             // Move the flavour downwards.
-            $currentflavour = $DB->get_record('theme_boost_union_flavours', array('id' => $flavourid));
-            $nextflavour = $DB->get_record('theme_boost_union_flavours', array('sort' => $currentflavour->sort + 1));
+            $currentflavour = $DB->get_record('theme_boost_union_flavours', ['id' => $flavourid]);
+            $nextflavour = $DB->get_record('theme_boost_union_flavours', ['sort' => $currentflavour->sort + 1]);
             if ($nextflavour) {
                 $DB->set_field('theme_boost_union_flavours', 'sort', $nextflavour->sort,
-                        array('id' => $currentflavour->id));
+                        ['id' => $currentflavour->id]);
                 $DB->set_field('theme_boost_union_flavours', 'sort', $currentflavour->sort,
-                        array('id' => $nextflavour->id));
+                        ['id' => $nextflavour->id]);
 
                 // Purge the flavours cache as the users might get other flavours which apply after the sorting.
                 // We would have preferred using cache_helper::purge_by_definition, but this just purges the session cache
@@ -119,7 +119,7 @@
 // Prepare 'Create flavours' button.
 $createbutton = $OUTPUT->box_start();
 $createbutton .= $OUTPUT->single_button(
-        new \moodle_url('/theme/boost_union/flavours/edit.php', array('action' => 'create', 'sesskey' => sesskey())),
+        new \moodle_url('/theme/boost_union/flavours/edit.php', ['action' => 'create', 'sesskey' => sesskey()]),
         get_string('flavourscreateflavour', 'theme_boost_union'), 'get');
 $createbutton .= $OUTPUT->box_end();
 
diff --git a/flavours/preview.php b/flavours/preview.php
index 565d0df2fe1..164f35026b8 100644
--- a/flavours/preview.php
+++ b/flavours/preview.php
@@ -44,9 +44,9 @@
 $PAGE->set_context($context);
 $PAGE->set_url(new moodle_url('/theme/boost_union/flavours/preview.php', ['id' => $flavourid]));
 $PAGE->set_cacheable(false);
-$PAGE->navbar->add(get_string('themes', 'core'), new moodle_url('/admin/category.php', array('category' => 'themes')));
+$PAGE->navbar->add(get_string('themes', 'core'), new moodle_url('/admin/category.php', ['category' => 'themes']));
 $PAGE->navbar->add(get_string('pluginname', 'theme_boost_union'), new moodle_url('/admin/category.php',
-        array('category' => 'theme_boost_union')));
+        ['category' => 'theme_boost_union']));
 $PAGE->navbar->add(get_string('flavoursflavours', 'theme_boost_union'), new moodle_url('/theme/boost_union/flavours/overview.php'));
 $PAGE->set_title(theme_boost_union_get_externaladminpage_title(get_string('flavourspreviewflavour', 'theme_boost_union')));
 $PAGE->set_heading(get_string('flavourspreviewflavour', 'theme_boost_union'));
diff --git a/flavours/styles.php b/flavours/styles.php
index a2e3b3d345e..ec649c02407 100644
--- a/flavours/styles.php
+++ b/flavours/styles.php
@@ -55,7 +55,7 @@
     // again and again. However, as the result is cached in the browser and the browser should not request
     // a flavour's CSS file again and again this should be ok for now.
     $flavour = $DB->get_record('theme_boost_union_flavours',
-            array('id' => $flavourid), 'look_rawscss, look_backgroundimage', MUST_EXIST);
+            ['id' => $flavourid], 'look_rawscss, look_backgroundimage', MUST_EXIST);
 
     // Catch the exception.
 } catch (\Exception $e) {
diff --git a/form/element-colorpicker.php b/form/element-colorpicker.php
index dd95bfe90a4..522892bc9ff 100644
--- a/form/element-colorpicker.php
+++ b/form/element-colorpicker.php
@@ -57,7 +57,7 @@ public function __construct($elementname=null, $elementlabel=null, $attributes=n
         if (empty($class)) {
             $class = '';
         }
-        $this->updateAttributes(array('class' => $class.' theme_boost_union-form-colour-picker '));
+        $this->updateAttributes(['class' => $class.' theme_boost_union-form-colour-picker ']);
     }
 
     /**
diff --git a/layout/columns2.php b/layout/columns2.php
index bd4ecc54431..8197e3d427c 100644
--- a/layout/columns2.php
+++ b/layout/columns2.php
@@ -104,7 +104,7 @@
     'hasregionmainsettingsmenu' => !empty($regionmainsettingsmenu),
     'headercontent' => $headercontent,
     'overflow' => $overflow,
-    'addblockbutton' => $addblockbutton
+    'addblockbutton' => $addblockbutton,
 ];
 
 // Include the template content for the course related hints.
diff --git a/layout/includes/advertisementtiles.php b/layout/includes/advertisementtiles.php
index b1576a3f9e4..de2a7dad88f 100644
--- a/layout/includes/advertisementtiles.php
+++ b/layout/includes/advertisementtiles.php
@@ -32,7 +32,7 @@
 $config = get_config('theme_boost_union');
 
 // Initialize advertisement tiles data for templatecontext.
-$advertisementtiles = array();
+$advertisementtiles = [];
 
 // Getting and setting the advertisement tiles position on the frontpage.
 switch ($config->{'tilefrontpageposition'}) {
@@ -74,7 +74,7 @@
         $title = format_string(trim($config->{'tile'.$i.'title'}));
 
         // Get and set the tile's content.
-        $formatoptions = array('noclean' => true);
+        $formatoptions = ['noclean' => true];
         $content = format_text($config->{'tile'.$i.'content'}, FORMAT_HTML, $formatoptions);
 
         // Get and set the tile's link.
diff --git a/layout/includes/blockregions.php b/layout/includes/blockregions.php
index 48e07f1a0fe..1ebaa48e2bf 100644
--- a/layout/includes/blockregions.php
+++ b/layout/includes/blockregions.php
@@ -75,7 +75,7 @@ public function regionsdata() {
             $regionsdata[$name] = [
                 'hasblocks' => (strpos($regionhtml, 'data-block=') !== false || !empty($blockbutton)),
                 'regionhtml' => $regionhtml,
-                'addblockbutton' => $blockbutton
+                'addblockbutton' => $blockbutton,
             ];
         }
         return $regionsdata;
@@ -127,7 +127,7 @@ public function countcolclass($regions, $regionsdata) {
 
         return [
             'count' => $regioncount,
-            'class' => 'col-xl-'.(($regioncount > 0 ) ? round(12 / $regioncount) : '12' )
+            'class' => 'col-xl-'.(($regioncount > 0 ) ? round(12 / $regioncount) : '12' ),
         ];
     }
 
@@ -140,7 +140,7 @@ public function addoffcanvasdata(&$regionsdata) {
         $list = $this->countcolclass([
                 'offcanvasleft',
                 'offcanvasright',
-                'offcanvascenter'], $regionsdata);
+                'offcanvascenter', ], $regionsdata);
 
         $regionsdata['offcanvas'] = [
                 'hasblocks' => ($list['count'] > 0) ? true : false,
@@ -157,7 +157,7 @@ public function addfooterdata(&$regionsdata) {
         $list = $this->countcolclass([
                 'footerleft',
                 'footerright',
-                'footercenter'], $regionsdata);
+                'footercenter', ], $regionsdata);
 
         $regionsdata['footer'] = [
                 'hasblocks' => ($list['count'] > 0) ? true : false,
diff --git a/layout/includes/infobanners.php b/layout/includes/infobanners.php
index c3be23871c5..12d4137d37e 100644
--- a/layout/includes/infobanners.php
+++ b/layout/includes/infobanners.php
@@ -31,7 +31,7 @@
 $config = get_config('theme_boost_union');
 
 // Initialize info banners data for templatecontext.
-$infobanners = array();
+$infobanners = [];
 
 // Remember if we need the dismissible AMD module.
 $dismissibleamdneeded = false;
@@ -42,7 +42,7 @@
     if (theme_boost_union_infobanner_is_shown_on_page($i)) {
         // Gather this info banner's data.
         // Info banner content.
-        $formatoptions = array('noclean' => true, 'newlines' => false);
+        $formatoptions = ['noclean' => true, 'newlines' => false];
         $contentsettingname = 'infobanner'.$i.'content';
         $content = format_text($config->{$contentsettingname}, FORMAT_HTML, $formatoptions);
 
diff --git a/layout/includes/staticpages.php b/layout/includes/staticpages.php
index abbb27d8fde..8baa456251d 100644
--- a/layout/includes/staticpages.php
+++ b/layout/includes/staticpages.php
@@ -30,7 +30,7 @@
 $config = get_config('theme_boost_union');
 
 // The static pages to be supported.
-$staticpages = array('aboutus', 'offers', 'imprint', 'contact', 'help', 'maintenance', 'page1', 'page2', 'page3');
+$staticpages = ['aboutus', 'offers', 'imprint', 'contact', 'help', 'maintenance', 'page1', 'page2', 'page3'];
 
 // Iterate over the static pages.
 foreach ($staticpages as $staticpage) {
diff --git a/layout/login.php b/layout/login.php
index 62e62e9ba80..d4a61682594 100644
--- a/layout/login.php
+++ b/layout/login.php
@@ -44,7 +44,7 @@
     'loginwrapperclass' => 'login-wrapper-'.get_config('theme_boost_union', 'loginformposition'),
     'logincontainerclass' =>
             (get_config('theme_boost_union', 'loginformtransparency') == THEME_BOOST_UNION_SETTING_SELECT_YES) ?
-                    'login-container-80t' : ''
+                    'login-container-80t' : '',
 ];
 
 // Include the template content for the footnote.
diff --git a/lib.php b/lib.php
index beed3b60b05..34b5bf50792 100644
--- a/lib.php
+++ b/lib.php
@@ -172,7 +172,7 @@ function theme_boost_union_get_pre_scss($theme) {
 
     // Overwrite Boost core SCSS variables which are stored in a SCSS map and thus couldn't be added to $configurable above.
     // Set variables for the activity icon colors.
-    $activityiconcolors = array();
+    $activityiconcolors = [];
     if (get_config('theme_boost_union', 'activityiconcoloradministration')) {
         $activityiconcolors[] = '"administration": '.get_config('theme_boost_union', 'activityiconcoloradministration');
     }
@@ -367,7 +367,7 @@ function theme_boost_union_get_precompiled_css() {
  * @param array $options
  * @return bool
  */
-function theme_boost_union_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = array()) {
+function theme_boost_union_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = []) {
     global $CFG;
 
     // Serve the (general) logo files or favicon file from the theme settings.
@@ -565,7 +565,7 @@ function theme_boost_union_output_fragment_icons_list($args) {
             $icons[] = [
                 'icon' => $faiconsystem->render_pix_icon($OUTPUT, $icon),
                 'value' => $iconkey,
-                'label' => $icontxt
+                'label' => $icontxt,
             ];
         }
 
diff --git a/locallib.php b/locallib.php
index f4b362663a4..be24cd7413e 100644
--- a/locallib.php
+++ b/locallib.php
@@ -49,7 +49,7 @@ function theme_boost_union_get_course_related_hints() {
             && $COURSE->visible == false) {
 
         // Prepare template context.
-        $templatecontext = array('courseid' => $COURSE->id);
+        $templatecontext = ['courseid' => $COURSE->id];
 
         // If the user has the capability to change the course settings, an additional link to the course settings is shown.
         if (has_capability('moodle/course:update', context_course::instance($COURSE->id))) {
@@ -77,8 +77,8 @@ function theme_boost_union_get_course_related_hints() {
         require_once($CFG->dirroot . '/enrol/self/lib.php');
 
         // Prepare template context.
-        $templatecontext = array('courseid' => $COURSE->id,
-                'role' => role_get_name(get_guest_role()));
+        $templatecontext = ['courseid' => $COURSE->id,
+                'role' => role_get_name(get_guest_role()), ];
 
         // Search for an available self enrolment link in this course.
         $templatecontext['showselfenrollink'] = false;
@@ -190,7 +190,7 @@ function theme_boost_union_get_course_related_hints() {
                 ($selfenrolmentpossiblecurrently == true || $selfenrolmentpossiblefuture == true)) {
 
             // Prepare template context.
-            $templatecontext = array();
+            $templatecontext = [];
 
             // Add the start of the hint t the template context
             // depending on the fact if enrolment is already possible currently or will be in the future.
@@ -204,37 +204,37 @@ function theme_boost_union_get_course_related_hints() {
             foreach ($selfenrolinstances as $selfenrolinstanceid => $selfenrolinstanceobject) {
                 // If the user has the capability to config self enrolments, enrich the instance name with the settings link.
                 if (has_capability('enrol/self:config', \context_course::instance($COURSE->id))) {
-                    $url = new moodle_url('/enrol/editinstance.php', array('courseid' => $COURSE->id,
-                            'id' => $selfenrolinstanceid, 'type' => 'self'));
+                    $url = new moodle_url('/enrol/editinstance.php', ['courseid' => $COURSE->id,
+                            'id' => $selfenrolinstanceid, 'type' => 'self', ]);
                     $selfenrolinstanceobject->name = html_writer::link($url, $selfenrolinstanceobject->name);
                 }
 
                 // Add the enrolment instance information to the template context depending on the instance configuration.
                 if ($selfenrolinstanceobject->unrestrictedness == 'unlimited') {
                     $templatecontext['selfenrolinstances'][] = get_string('showhintcourseselfenrolunlimited', 'theme_boost_union',
-                            array('name' => $selfenrolinstanceobject->name));
+                            ['name' => $selfenrolinstanceobject->name]);
                 } else if ($selfenrolinstanceobject->unrestrictedness == 'until') {
                     $templatecontext['selfenrolinstances'][] = get_string('showhintcourseselfenroluntil', 'theme_boost_union',
-                            array('name' => $selfenrolinstanceobject->name,
-                                    'until' => userdate($selfenrolinstanceobject->enddate)));
+                            ['name' => $selfenrolinstanceobject->name,
+                                    'until' => userdate($selfenrolinstanceobject->enddate), ]);
                 } else if ($selfenrolinstanceobject->unrestrictedness == 'from') {
                     $templatecontext['selfenrolinstances'][] = get_string('showhintcourseselfenrolfrom', 'theme_boost_union',
-                            array('name' => $selfenrolinstanceobject->name,
-                                    'from' => userdate($selfenrolinstanceobject->startdate)));
+                            ['name' => $selfenrolinstanceobject->name,
+                                    'from' => userdate($selfenrolinstanceobject->startdate), ]);
                 } else if ($selfenrolinstanceobject->unrestrictedness == 'since') {
                     $templatecontext['selfenrolinstances'][] = get_string('showhintcourseselfenrolsince', 'theme_boost_union',
-                            array('name' => $selfenrolinstanceobject->name,
-                                    'since' => userdate($selfenrolinstanceobject->startdate)));
+                            ['name' => $selfenrolinstanceobject->name,
+                                    'since' => userdate($selfenrolinstanceobject->startdate), ]);
                 } else if ($selfenrolinstanceobject->unrestrictedness == 'fromuntil') {
                     $templatecontext['selfenrolinstances'][] = get_string('showhintcourseselfenrolfromuntil', 'theme_boost_union',
-                            array('name' => $selfenrolinstanceobject->name,
+                            ['name' => $selfenrolinstanceobject->name,
                                     'until' => userdate($selfenrolinstanceobject->enddate),
-                                    'from' => userdate($selfenrolinstanceobject->startdate)));
+                                    'from' => userdate($selfenrolinstanceobject->startdate), ]);
                 } else if ($selfenrolinstanceobject->unrestrictedness == 'sinceuntil') {
                     $templatecontext['selfenrolinstances'][] = get_string('showhintcourseselfenrolsinceuntil', 'theme_boost_union',
-                            array('name' => $selfenrolinstanceobject->name,
+                            ['name' => $selfenrolinstanceobject->name,
                                     'until' => userdate($selfenrolinstanceobject->enddate),
-                                    'since' => userdate($selfenrolinstanceobject->startdate)));
+                                    'since' => userdate($selfenrolinstanceobject->startdate), ]);
                 }
             }
 
@@ -261,14 +261,14 @@ function theme_boost_union_get_course_related_hints() {
 
         // Get the URL to switch back (normal role).
         $url = new moodle_url('/course/switchrole.php',
-                array('id' => $COURSE->id,
+                ['id' => $COURSE->id,
                         'sesskey' => sesskey(),
                         'switchrole' => 0,
-                        'returnurl' => $PAGE->url->out_as_local_url(false)));
+                        'returnurl' => $PAGE->url->out_as_local_url(false), ]);
 
         // Prepare template context.
-        $templatecontext = array('role' => $role,
-                'url' => $url->out());
+        $templatecontext = ['role' => $role,
+                'url' => $url->out(), ];
 
         // Render template and add it to HTML code.
         $html .= $OUTPUT->render_from_template('theme_boost_union/course-hint-switchedrole', $templatecontext);
@@ -444,7 +444,7 @@ function theme_boost_union_infobanner_reset_visibility($no) {
     // Initialize variable for feedback messages.
     $somethingwentwrong = false;
     // Store coding exception.
-    $codingexception[] = array();
+    $codingexception[] = [];
 
     foreach ($users as $user) {
         try {
@@ -657,7 +657,7 @@ function theme_boost_union_get_loginbackgroundimage_text() {
                 }
 
                 // Return the text + text color that belongs to the randomly selected image.
-                return array(format_string(trim($settings[1])), $settings[2]);
+                return [format_string(trim($settings[1])), $settings[2]];
             }
         }
     }
@@ -692,17 +692,17 @@ function theme_boost_union_get_additionalresources_templatecontext() {
         $files = $fs->get_area_files($systemcontext->id, 'theme_boost_union', 'additionalresources', false, 'itemid', false);
 
         // Iterate over the files and fill the templatecontext of the file list.
-        $filesforcontext = array();
+        $filesforcontext = [];
         foreach ($files as $af) {
             $urlpersistent = new moodle_url('/pluginfile.php/1/theme_boost_union/additionalresources/0/'.$af->get_filename());
             $urlrevisioned = new moodle_url('/pluginfile.php/1/theme_boost_union/additionalresources/'.theme_get_revision().
                     '/'.$af->get_filename());
-            $filesforcontext[] = array('filename' => $af->get_filename(),
+            $filesforcontext[] = ['filename' => $af->get_filename(),
                                         'filetype' => $af->get_mimetype(),
                                         'filesize' => display_size($af->get_filesize()),
                                         'fileicon' => $OUTPUT->image_icon(file_file_icon($af, 64), get_mimetype_description($af)),
                                         'fileurlpersistent' => $urlpersistent->out(),
-                                        'fileurlrevisioned' => $urlrevisioned->out());
+                                        'fileurlrevisioned' => $urlrevisioned->out(), ];
         }
     }
 
@@ -739,7 +739,7 @@ function theme_boost_union_get_customfonts_templatecontext() {
         $webfonts = theme_boost_union_get_webfonts_extensions();
 
         // Iterate over the files.
-        $filesforcontext = array();
+        $filesforcontext = [];
         foreach ($files as $af) {
             // Get the filename.
             $filename = $af->get_filename();
@@ -754,8 +754,8 @@ function theme_boost_union_get_customfonts_templatecontext() {
 
             // Otherwise, fill the templatecontext of the file list.
             $urlpersistent = new moodle_url('/pluginfile.php/1/theme_boost_union/customfonts/0/'.$filename);
-            $filesforcontext[] = array('filename' => $filename,
-                    'fileurlpersistent' => $urlpersistent->out());
+            $filesforcontext[] = ['filename' => $filename,
+                    'fileurlpersistent' => $urlpersistent->out(), ];
         }
     }
 
@@ -768,7 +768,7 @@ function theme_boost_union_get_customfonts_templatecontext() {
  * @return array
  */
 function theme_boost_union_get_webfonts_extensions() {
-    return array('.eot', '.otf', '.svg', '.ttf', '.woff', '.woff2');
+    return ['.eot', '.otf', '.svg', '.ttf', '.woff', '.woff2'];
 }
 
 /**
@@ -794,38 +794,38 @@ function theme_boost_union_register_webfonts_filetypes() {
     // Our array of webfont file types to register.
     // As we want to keep things simple, we do not set a particular icon for these file types.
     // Likewise, we do not set any type groups or use descriptions from the language pack.
-    $webfonts = array(
-            'eot' => array(
+    $webfonts = [
+            'eot' => [
                     'extension' => 'eot',
                     'mimetype' => 'application/vnd.ms-fontobject',
-                    'coreicon' => 'unknown'
-            ),
-            'otf' => array(
+                    'coreicon' => 'unknown',
+            ],
+            'otf' => [
                     'extension' => 'otf',
                     'mimetype' => 'font/otf',
-                    'coreicon' => 'unknown'
-            ),
-            'svg' => array(
+                    'coreicon' => 'unknown',
+            ],
+            'svg' => [
                     'extension' => 'svg',
                     'mimetype' => 'image/svg+xml',
-                    'coreicon' => 'unknown'
-            ),
-            'ttf' => array(
+                    'coreicon' => 'unknown',
+            ],
+            'ttf' => [
                     'extension' => 'ttf',
                     'mimetype' => 'font/ttf',
-                    'coreicon' => 'unknown'
-            ),
-            'woff' => array(
+                    'coreicon' => 'unknown',
+            ],
+            'woff' => [
                     'extension' => 'woff',
                     'mimetype' => 'font/woff',
-                    'coreicon' => 'unknown'
-            ),
-            'woff2' => array(
+                    'coreicon' => 'unknown',
+            ],
+            'woff2' => [
                     'extension' => 'woff2',
                     'mimetype' => 'font/woff2',
-                    'coreicon' => 'unknown'
-            ),
-    );
+                    'coreicon' => 'unknown',
+            ],
+    ];
 
     // First, get the list of currently registered file types.
     $currenttypes = core_filetypes::get_types();
@@ -865,11 +865,11 @@ function theme_boost_union_get_emailbrandinghtmlpreview() {
     }
 
     // Otherwise, compose mail text.
-    $mailtemplatecontext = array('body' => get_string('emailbrandinghtmldemobody', 'theme_boost_union'));
+    $mailtemplatecontext = ['body' => get_string('emailbrandinghtmldemobody', 'theme_boost_union')];
     $mail = $OUTPUT->render_from_template('core/email_html', $mailtemplatecontext);
 
     // And compose mail preview.
-    $previewtemplatecontext = array('mail' => $mail);
+    $previewtemplatecontext = ['mail' => $mail];
     $preview = $OUTPUT->render_from_template('theme_boost_union/emailpreview', $previewtemplatecontext);
 
     return $preview;
@@ -896,12 +896,12 @@ function theme_boost_union_get_emailbrandingtextpreview() {
     }
 
     // Otherwise, compose mail text.
-    $mailtemplatecontext = array('body' => get_string('emailbrandingtextdemobody', 'theme_boost_union'));
+    $mailtemplatecontext = ['body' => get_string('emailbrandingtextdemobody', 'theme_boost_union')];
     $mail = nl2br($OUTPUT->render_from_template('core/email_text', $mailtemplatecontext));
     $mail = '<div class="text-monospace">'.$mail.'</div>';
 
     // And compose mail preview.
-    $previewtemplatecontext = array('mail' => $mail);
+    $previewtemplatecontext = ['mail' => $mail];
     $preview = $OUTPUT->render_from_template('theme_boost_union/emailpreview', $previewtemplatecontext);
 
     return $preview;
@@ -961,7 +961,7 @@ function theme_boost_union_add_flavourcss_to_page() {
     if ($flavour != null) {
         // Build the flavour CSS file URL.
         $flavourcssurl = new moodle_url('/theme/boost_union/flavours/styles.php',
-                array('id' => $flavour->id, 'rev' => theme_get_revision()));
+                ['id' => $flavour->id, 'rev' => theme_get_revision()]);
 
         // Add the CSS file to the page.
         $PAGE->requires->css($flavourcssurl);
@@ -1032,7 +1032,7 @@ function theme_boost_union_set_mobilecss_url() {
         // This parameter isn't the theme revision as the theme cache is not cleared when this setting is stored.
         // It is just the time when the setting is saved.
         // This is the best we can do to make the Mobile app load the new styles when needed.
-        $mobilescssurl = new moodle_url('/theme/boost_union/mobile/styles.php', array('rev' => time()));
+        $mobilescssurl = new moodle_url('/theme/boost_union/mobile/styles.php', ['rev' => time()]);
 
         // Set the $CFG->mobilecssurl setting.
         set_config('mobilecssurl', $mobilescssurl->out());
@@ -1064,7 +1064,7 @@ function theme_boost_union_get_additional_regions($pageregions=[]) {
             'outsidebottom' => 'outside-bottom',
             'contentupper' => 'content-upper',
             'contentlower' => 'content-lower',
-            'header' => 'header'
+            'header' => 'header',
     ];
 
     return ($pageregions) ? array_intersect($regions, $pageregions) : $regions;
@@ -1198,7 +1198,7 @@ function theme_boost_union_place_mod_icons() {
     $files = $fs->get_area_files($systemcontext->id, 'theme_boost_union', 'modicons', false, 'itemid', true);
 
     // Get installed activity plugins.
-    $modules = $DB->get_records('modules', array(), '', 'name');
+    $modules = $DB->get_records('modules', [], '', 'name');
 
     // Iterate over the files.
     foreach ($files as $file) {
@@ -1277,10 +1277,10 @@ function theme_boost_union_get_modicon_templatecontext () {
     $files = $fs->get_area_files($systemcontext->id, 'theme_boost_union', 'modicons', false, 'filepath,filename', true);
 
     // Get installed activity plugins.
-    $modules = $DB->get_records('modules', array(), '', 'name');
+    $modules = $DB->get_records('modules', [], '', 'name');
 
     // Initialize template data.
-    $templatedata = array();
+    $templatedata = [];
 
     // Iterate over the files.
     foreach ($files as $file) {
diff --git a/renderers.php b/renderers.php
index ef68fd0ab2e..a9f6079f7ab 100644
--- a/renderers.php
+++ b/renderers.php
@@ -49,10 +49,10 @@ public function h5p_alter_styles(&$styles, $libraries, $embedtype) {
         $h5pcssurl = new moodle_url('/theme/boost_union/h5p/styles.php');
 
         // Add the CSS file path and a version (to support browser caching) to H5P.
-        $styles[] = (object) array(
+        $styles[] = (object) [
                 'path' => $h5pcssurl->out(),
                 'version' => '?ver='.theme_get_revision(),
-        );
+        ];
 
         // If the local_och5pcore plugin is installed, add some more styles.
         if (file_exists($CFG->dirroot.'/local/och5pcore/version.php')) {
@@ -60,17 +60,17 @@ public function h5p_alter_styles(&$styles, $libraries, $embedtype) {
             if (isset($libraries['H5P.InteractiveVideo']) && $libraries['H5P.InteractiveVideo']['majorVersion'] == '1') {
                 // Adding H5PEditor css file.
                 $h5peditoravurl = new moodle_url('/local/och5pcore/lib/style/H5PEditor.AV.css');
-                $styles[] = (object) array(
+                $styles[] = (object) [
                     'path' => $h5peditoravurl->out(),
                     'version' => '?ver='.theme_get_revision(),
-                );
+                ];
 
                 // Adding opencast font css file.
                 $ocfontsurl = new moodle_url('/local/och5pcore/lib/style/oc-fonts.css');
-                $styles[] = (object) array(
+                $styles[] = (object) [
                     'path' => $ocfontsurl->out(),
                     'version' => '?ver='.theme_get_revision(),
-                );
+                ];
             }
         }
     }
@@ -91,17 +91,17 @@ public function h5p_alter_scripts(&$scripts, $libraries, $embedtype) {
             if (isset($libraries['H5P.InteractiveVideo']) && $libraries['H5P.InteractiveVideo']['majorVersion'] == '1') {
                 // Adding LTI related script into scripts array.
                 $h5prunltiurl = new moodle_url('/local/och5pcore/lib/js/H5PRunLTI.js');
-                $scripts[] = (object) array(
+                $scripts[] = (object) [
                     'path' => $h5prunltiurl->out(),
                     'version' => '?ver='.theme_get_revision(),
-                );
+                ];
 
                 // Adding editor script to scripts array.
                 $h5peditoravurl = new moodle_url('/local/och5pcore/lib/js/H5PEditor.AV.js');
-                $scripts[] = (object) array(
+                $scripts[] = (object) [
                     'path' => $h5peditoravurl->out(),
                     'version' => '?ver='.theme_get_revision(),
-                );
+                ];
             }
         }
     }
@@ -138,10 +138,10 @@ public function hvp_alter_styles(&$styles, $libraries, $embedtype) {
                 $h5pcssurl = new moodle_url('/theme/boost_union/h5p/styles.php');
 
                 // Add the CSS file path and a version (to support browser caching) to H5P.
-                $styles[] = (object)array(
+                $styles[] = (object)[
                         'path' => $h5pcssurl->out(),
                         'version' => '?ver='.theme_get_revision(),
-                );
+                ];
 
                 // If the local_och5p plugin is installed, add some more styles.
                 if (file_exists($CFG->dirroot.'/local/och5p/version.php')) {
@@ -149,17 +149,17 @@ public function hvp_alter_styles(&$styles, $libraries, $embedtype) {
                     if (isset($libraries['H5P.InteractiveVideo']) && $libraries['H5P.InteractiveVideo']['majorVersion'] == '1') {
                         // Adding H5PEditor css file.
                         $h5peditoravurl = new moodle_url('/local/och5p/lib/style/H5PEditor.AV.css');
-                        $styles[] = (object) array(
+                        $styles[] = (object) [
                             'path' => $h5peditoravurl->out(),
                             'version' => '?ver='.theme_get_revision(),
-                        );
+                        ];
 
                         // Adding opencast font css file.
                         $ocfontsurl = new moodle_url('/local/och5p/lib/style/oc-fonts.css');
-                        $styles[] = (object) array(
+                        $styles[] = (object) [
                             'path' => $ocfontsurl->out(),
                             'version' => '?ver='.theme_get_revision(),
-                        );
+                        ];
                     }
                 }
             }
@@ -180,17 +180,17 @@ public function hvp_alter_scripts(&$scripts, $libraries, $embedtype) {
                     if (isset($libraries['H5P.InteractiveVideo']) && $libraries['H5P.InteractiveVideo']['majorVersion'] == '1') {
                         // Adding LTI related script into scripts array.
                         $h5prunltiurl = new moodle_url('/local/och5p/lib/js/H5PRunLTI.js');
-                        $scripts[] = (object) array(
+                        $scripts[] = (object) [
                             'path' => $h5prunltiurl->out(),
                             'version' => '?ver='.theme_get_revision(),
-                        );
+                        ];
 
                         // Adding editor script to scripts array.
                         $h5peditoravurl = new moodle_url('/local/och5p/lib/js/H5PEditor.AV.js');
-                        $scripts[] = (object) array(
+                        $scripts[] = (object) [
                             'path' => $h5peditoravurl->out(),
                             'version' => '?ver='.theme_get_revision(),
-                        );
+                        ];
                     }
                 }
             }
diff --git a/settings.php b/settings.php
index b617560b636..432a1e40712 100644
--- a/settings.php
+++ b/settings.php
@@ -22,8 +22,8 @@
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
-use \theme_boost_union\admin_setting_configdatetime;
-use \theme_boost_union\admin_setting_configstoredfilealwayscallback;
+use theme_boost_union\admin_setting_configdatetime;
+use theme_boost_union\admin_setting_configstoredfilealwayscallback;
 
 defined('MOODLE_INTERNAL') || die();
 
@@ -106,8 +106,8 @@
 
         // Prepare options array for select settings.
         // Due to MDL-58376, we will use binary select settings instead of checkbox settings throughout this theme.
-        $yesnooption = array(THEME_BOOST_UNION_SETTING_SELECT_YES => get_string('yes'),
-                THEME_BOOST_UNION_SETTING_SELECT_NO => get_string('no'));
+        $yesnooption = [THEME_BOOST_UNION_SETTING_SELECT_YES => get_string('yes'),
+                THEME_BOOST_UNION_SETTING_SELECT_NO => get_string('no'), ];
 
         // Prepare regular expression for checking if the value is a percent number (from 0% to 100%) or a pixel number
         // (with 3 or 4 digits) or a viewport width number (from 0 to 100).
@@ -156,7 +156,7 @@
         $title = get_string('presetfiles', 'theme_boost', null, true);
         $description = get_string('presetfiles_desc', 'theme_boost', null, true);
         $setting = new admin_setting_configstoredfile($name, $title, $description, 'preset', 0,
-                array('maxfiles' => 20, 'accepted_types' => array('.scss')));
+                ['maxfiles' => 20, 'accepted_types' => ['.scss']]);
         $tab->add($setting);
 
         // Add tab to settings page.
@@ -232,7 +232,7 @@
         // Create logos heading.
         $name = 'theme_boost_union/logosheading';
         $title = get_string('logosheading', 'theme_boost_union', null, true);
-        $notificationurl = new moodle_url('/admin/settings.php', array('section' => 'logos'));
+        $notificationurl = new moodle_url('/admin/settings.php', ['section' => 'logos']);
         $notification = new \core\output\notification(get_string('logosheading_desc', 'theme_boost_union', $notificationurl->out()),
                 \core\output\notification::NOTIFY_INFO);
         $notification->set_show_closebutton(false);
@@ -245,7 +245,7 @@
         $title = get_string('logosetting', 'theme_boost_union', null, true);
         $description = get_string('logosetting_desc', 'theme_boost_union', null, true);
         $setting = new admin_setting_configstoredfile($name, $title, $description, 'logo', 0,
-                array('maxfiles' => 1, 'accepted_types' => 'web_image'));
+                ['maxfiles' => 1, 'accepted_types' => 'web_image']);
         $setting->set_updatedcallback('theme_reset_all_caches');
         $tab->add($setting);
 
@@ -254,14 +254,14 @@
         $title = get_string('logocompactsetting', 'theme_boost_union', null, true);
         $description = get_string('logocompactsetting_desc', 'theme_boost_union', null, true);
         $setting = new admin_setting_configstoredfile($name, $title, $description, 'logocompact', 0,
-                array('maxfiles' => 1, 'accepted_types' => 'web_image'));
+                ['maxfiles' => 1, 'accepted_types' => 'web_image']);
         $setting->set_updatedcallback('theme_reset_all_caches');
         $tab->add($setting);
 
         // Create favicon heading.
         $name = 'theme_boost_union/faviconheading';
         $title = get_string('faviconheading', 'theme_boost_union', null, true);
-        $notificationurl = new moodle_url('/admin/settings.php', array('section' => 'logos'));
+        $notificationurl = new moodle_url('/admin/settings.php', ['section' => 'logos']);
         $notification = new \core\output\notification(get_string('faviconheading_desc', 'theme_boost_union',
                 $notificationurl->out()), \core\output\notification::NOTIFY_INFO);
         $notification->set_show_closebutton(false);
@@ -274,7 +274,7 @@
         $title = get_string('faviconsetting', 'theme_boost_union', null, true);
         $description = get_string('faviconsetting_desc', 'theme_boost_union', null, true);
         $setting = new admin_setting_configstoredfile($name, $title, $description, 'favicon', 0,
-                array('maxfiles' => 1, 'accepted_types' => 'image'));
+                ['maxfiles' => 1, 'accepted_types' => 'image']);
         $setting->set_updatedcallback('theme_reset_all_caches');
         $tab->add($setting);
 
@@ -289,7 +289,7 @@
         $title = get_string('backgroundimagesetting', 'theme_boost_union', null, true);
         $description = get_string('backgroundimagesetting_desc', 'theme_boost_union', null, true);
         $setting = new admin_setting_configstoredfile($name, $title, $description, 'backgroundimage', 0,
-                array('maxfiles' => 1, 'accepted_types' => 'web_image'));
+                ['maxfiles' => 1, 'accepted_types' => 'web_image']);
         $setting->set_updatedcallback('theme_reset_all_caches');
         $tab->add($setting);
 
@@ -355,7 +355,7 @@
         $name = 'theme_boost_union/navbarcolor';
         $title = get_string('navbarcolorsetting', 'theme_boost_union', null, true);
         $description = get_string('navbarcolorsetting_desc', 'theme_boost_union', null, true);
-        $navbarcoloroptions = array(
+        $navbarcoloroptions = [
                 THEME_BOOST_UNION_SETTING_NAVBARCOLOR_LIGHT =>
                         get_string('navbarcolorsetting_light', 'theme_boost_union'),
                 THEME_BOOST_UNION_SETTING_NAVBARCOLOR_DARK =>
@@ -363,7 +363,7 @@
                 THEME_BOOST_UNION_SETTING_NAVBARCOLOR_PRIMARYLIGHT =>
                         get_string('navbarcolorsetting_primarylight', 'theme_boost_union'),
                 THEME_BOOST_UNION_SETTING_NAVBARCOLOR_PRIMARYDARK =>
-                        get_string('navbarcolorsetting_primarydark', 'theme_boost_union'));
+                        get_string('navbarcolorsetting_primarydark', 'theme_boost_union'), ];
         $setting = new admin_setting_configselect($name, $title, $description, THEME_BOOST_UNION_SETTING_NAVBARCOLOR_LIGHT,
                 $navbarcoloroptions);
         $tab->add($setting);
@@ -441,15 +441,15 @@
         $tab->add($setting);
 
         // Prepare activity purposes.
-        $purposesoptions = array(
+        $purposesoptions = [
                 MOD_PURPOSE_ADMINISTRATION => get_string('activitypurposeadministration', 'theme_boost_union'),
                 MOD_PURPOSE_ASSESSMENT => get_string('activitypurposeassessment', 'theme_boost_union'),
                 MOD_PURPOSE_COLLABORATION => get_string('activitypurposecollaboration', 'theme_boost_union'),
                 MOD_PURPOSE_COMMUNICATION => get_string('activitypurposecommunication', 'theme_boost_union'),
                 MOD_PURPOSE_CONTENT => get_string('activitypurposecontent', 'theme_boost_union'),
                 MOD_PURPOSE_INTERFACE => get_string('activitypurposeinterface', 'theme_boost_union'),
-                MOD_PURPOSE_OTHER => get_string('activitypurposeother', 'theme_boost_union')
-        );
+                MOD_PURPOSE_OTHER => get_string('activitypurposeother', 'theme_boost_union'),
+        ];
         // Get installed activity modules.
         $installedactivities = get_module_types_names();
         // Iterate over all existing activities.
@@ -494,7 +494,7 @@
         // Use our enhanced implementation of admin_setting_configstoredfile to circumvent MDL-59082.
         // This can be changed back to admin_setting_configstoredfile as soon as MDL-59082 is fixed.
         $setting = new admin_setting_configstoredfilealwayscallback($name, $title, $description, 'modicons', 0,
-                array('maxfiles' => -1, 'subdirs' => 1, 'accepted_types' => ['.png', '.svg']));
+                ['maxfiles' => -1, 'subdirs' => 1, 'accepted_types' => ['.png', '.svg']]);
         $setting->set_updatedcallback('theme_boost_union_place_mod_icons');
         $tab->add($setting);
         $page->hide_if('theme_boost_union/modiconsfiles', 'theme_boost_union/modiconsenable', 'neq',
@@ -512,7 +512,7 @@
             $description = get_string('modiconlistsetting_desc', 'theme_boost_union', null, true);
 
             // Append the file list to the description.
-            $templatecontext = array('files' => theme_boost_union_get_modicon_templatecontext());
+            $templatecontext = ['files' => theme_boost_union_get_modicon_templatecontext()];
             $description .= $OUTPUT->render_from_template('theme_boost_union/settings-modicon-filelist', $templatecontext);
 
             // Finish the widget.
@@ -539,7 +539,7 @@
         $title = get_string('loginbackgroundimage', 'theme_boost_union', null, true);
         $description = get_string('loginbackgroundimage_desc', 'theme_boost_union', null, true);
         $setting = new admin_setting_configstoredfile($name, $title, $description, 'loginbackgroundimage', 0,
-                array('maxfiles' => 25, 'accepted_types' => 'web_image'));
+                ['maxfiles' => 25, 'accepted_types' => 'web_image']);
         $setting->set_updatedcallback('theme_reset_all_caches');
         $tab->add($setting);
 
@@ -560,10 +560,11 @@
         $name = 'theme_boost_union/loginformposition';
         $title = get_string('loginformpositionsetting', 'theme_boost_union', null, true);
         $description = get_string('loginformpositionsetting_desc', 'theme_boost_union', null, true);
-        $loginformoptions = array(
+        $loginformoptions = [
                 THEME_BOOST_UNION_SETTING_LOGINFORMPOS_CENTER => get_string('loginformpositionsetting_center', 'theme_boost_union'),
                 THEME_BOOST_UNION_SETTING_LOGINFORMPOS_LEFT => get_string('loginformpositionsetting_left', 'theme_boost_union'),
-                THEME_BOOST_UNION_SETTING_LOGINFORMPOS_RIGHT => get_string('loginformpositionsetting_right', 'theme_boost_union'));
+                THEME_BOOST_UNION_SETTING_LOGINFORMPOS_RIGHT =>
+                        get_string('loginformpositionsetting_right', 'theme_boost_union'), ];
         $setting = new admin_setting_configselect($name, $title, $description, THEME_BOOST_UNION_SETTING_LOGINFORMPOS_CENTER,
                 $loginformoptions);
         $tab->add($setting);
@@ -601,7 +602,7 @@
         $title = get_string('courseheaderimagefallback', 'theme_boost_union', null, true);
         $description = get_string('courseheaderimagefallback_desc', 'theme_boost_union', null, true);
         $setting = new admin_setting_configstoredfile($name, $title, $description, 'courseheaderimagefallback', 0,
-                array('maxfiles' => 1, 'accepted_types' => 'web_image'));
+                ['maxfiles' => 1, 'accepted_types' => 'web_image']);
         $tab->add($setting);
         $page->hide_if('theme_boost_union/courseheaderimagefallback', 'theme_boost_union/courseheaderimageenabled', 'neq',
                 THEME_BOOST_UNION_SETTING_SELECT_YES);
@@ -610,13 +611,13 @@
         $name = 'theme_boost_union/courseheaderimagelayout';
         $title = get_string('courseheaderimagelayout', 'theme_boost_union', null, true);
         $description = get_string('courseheaderimagelayout_desc', 'theme_boost_union', null, true);
-        $courseheaderimagelayoutoptions = array(
+        $courseheaderimagelayoutoptions = [
                 THEME_BOOST_UNION_SETTING_COURSEIMAGELAYOUT_STACKEDDARK =>
                         get_string('courseheaderimagelayoutstackeddark', 'theme_boost_union'),
                 THEME_BOOST_UNION_SETTING_COURSEIMAGELAYOUT_STACKEDLIGHT =>
                         get_string('courseheaderimagelayoutstackedlight', 'theme_boost_union'),
                 THEME_BOOST_UNION_SETTING_COURSEIMAGELAYOUT_HEADINGABOVE =>
-                        get_string('courseheaderimagelayoutheadingabove', 'theme_boost_union'));
+                        get_string('courseheaderimagelayoutheadingabove', 'theme_boost_union'), ];
         $setting = new admin_setting_configselect($name, $title, $description,
                 THEME_BOOST_UNION_SETTING_COURSEIMAGELAYOUT_HEADINGABOVE, $courseheaderimagelayoutoptions);
         $tab->add($setting);
@@ -627,11 +628,11 @@
         $name = 'theme_boost_union/courseheaderimageheight';
         $title = get_string('courseheaderimageheight', 'theme_boost_union', null, true);
         $description = get_string('courseheaderimageheight_desc', 'theme_boost_union', null, true);
-        $courseheaderimageheightoptions = array(
+        $courseheaderimageheightoptions = [
                 THEME_BOOST_UNION_SETTING_HEIGHT_100PX => THEME_BOOST_UNION_SETTING_HEIGHT_100PX,
                 THEME_BOOST_UNION_SETTING_HEIGHT_150PX => THEME_BOOST_UNION_SETTING_HEIGHT_150PX,
                 THEME_BOOST_UNION_SETTING_HEIGHT_200PX => THEME_BOOST_UNION_SETTING_HEIGHT_200PX,
-                THEME_BOOST_UNION_SETTING_HEIGHT_250PX => THEME_BOOST_UNION_SETTING_HEIGHT_250PX);
+                THEME_BOOST_UNION_SETTING_HEIGHT_250PX => THEME_BOOST_UNION_SETTING_HEIGHT_250PX, ];
         $setting = new admin_setting_configselect($name, $title, $description, THEME_BOOST_UNION_SETTING_HEIGHT_150PX,
                 $courseheaderimageheightoptions);
         $tab->add($setting);
@@ -642,7 +643,7 @@
         $name = 'theme_boost_union/courseheaderimageposition';
         $title = get_string('courseheaderimageposition', 'theme_boost_union', null, true);
         $description = get_string('courseheaderimageposition_desc', 'theme_boost_union', null, true);
-        $courseheaderimagepositionoptions = array(
+        $courseheaderimagepositionoptions = [
                 THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_CENTER =>
                         THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_CENTER,
                 THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_TOP =>
@@ -660,7 +661,7 @@
                 THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_CENTER =>
                         THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_CENTER,
                 THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_BOTTOM =>
-                        THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_BOTTOM);
+                        THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_BOTTOM, ];
         $setting = new admin_setting_configselect($name, $title, $description,
                 THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_CENTER, $courseheaderimagepositionoptions);
         $tab->add($setting);
@@ -694,9 +695,9 @@
         $title = '';
         $description = '<h4>'.get_string('emailbrandinginstruction', 'theme_boost_union', null, true).'</h4>';
         $description .= '<p>'.get_string('emailbrandinginstruction0', 'theme_boost_union', null, true).'</p>';
-        $emailbrandinginstructionli1url = new moodle_url('/admin/tool/customlang/index.php', array('lng' => $CFG->lang));
+        $emailbrandinginstructionli1url = new moodle_url('/admin/tool/customlang/index.php', ['lng' => $CFG->lang]);
         $description .= '<ul><li>'.get_string('emailbrandinginstructionli1', 'theme_boost_union',
-                array('url' => $emailbrandinginstructionli1url->out(), 'lang' => $CFG->lang), true).'</li>';
+                ['url' => $emailbrandinginstructionli1url->out(), 'lang' => $CFG->lang], true).'</li>';
         $description .= '<li>'.get_string('emailbrandinginstructionli2', 'theme_boost_union', null, true).'</li>';
         $description .= '<ul><li>'.get_string('emailbrandinginstructionli2li1', 'theme_boost_union', null, true).'</li>';
         $description .= '<li>'.get_string('emailbrandinginstructionli2li2', 'theme_boost_union', null, true).'</li>';
@@ -808,7 +809,7 @@
         $title = get_string('additionalresourcessetting', 'theme_boost_union', null, true);
         $description = get_string('additionalresourcessetting_desc', 'theme_boost_union', null, true);
         $setting = new admin_setting_configstoredfile($name, $title, $description, 'additionalresources', 0,
-                array('maxfiles' => -1));
+                ['maxfiles' => -1]);
         $tab->add($setting);
 
         // Information: Additional resources list.
@@ -821,7 +822,7 @@
                     get_string('resourcescachecontrolnote', 'theme_boost_union', null, true);
 
             // Append the file list to the description.
-            $templatecontext = array('files' => theme_boost_union_get_additionalresources_templatecontext());
+            $templatecontext = ['files' => theme_boost_union_get_additionalresources_templatecontext()];
             $description .= $OUTPUT->render_from_template('theme_boost_union/settings-additionalresources-filelist',
                     $templatecontext);
 
@@ -848,10 +849,10 @@
         $description = get_string('customfontssetting_desc', 'theme_boost_union', null, true);
         if ($registerfontsresult == true) {
             $setting = new admin_setting_configstoredfile($name, $title, $description, 'customfonts', 0,
-                    array('maxfiles' => -1, 'accepted_types' => theme_boost_union_get_webfonts_extensions()));
+                    ['maxfiles' => -1, 'accepted_types' => theme_boost_union_get_webfonts_extensions()]);
         } else {
             $setting = new admin_setting_configstoredfile($name, $title, $description, 'customfonts', 0,
-                    array('maxfiles' => -1));
+                    ['maxfiles' => -1]);
         }
         $tab->add($setting);
 
@@ -864,7 +865,7 @@
             $description = get_string('customfontslistsetting_desc', 'theme_boost_union', null, true);
 
             // Append the file list to the description.
-            $templatecontext = array('files' => theme_boost_union_get_customfonts_templatecontext());
+            $templatecontext = ['files' => theme_boost_union_get_customfonts_templatecontext()];
             $description .= $OUTPUT->render_from_template('theme_boost_union/settings-customfonts-filelist', $templatecontext);
 
             // Finish the widget.
@@ -929,13 +930,13 @@
         $name = 'theme_boost_union/mobilescss';
         $title = get_string('mobilecss', 'theme_boost_union', null, true);
         $description = get_string('mobilecss_desc', 'theme_boost_union', null, true);
-        $mobilecssurl = new moodle_url('/admin/settings.php', array('section' => 'mobileappearance'));
+        $mobilecssurl = new moodle_url('/admin/settings.php', ['section' => 'mobileappearance']);
         // If another Mobile App CSS URL is set already (in the $CFG->mobilecssurl setting), we add a warning to the description.
         if (isset($CFG->mobilecssurl) && !empty($CFG->mobilecssurl) &&
                 strpos($CFG->mobilecssurl, '/boost_union/mobile/styles.php') == false) {
             $mobilescssnotification = new \core\output\notification(
                     get_string('mobilecss_overwrite', 'theme_boost_union',
-                            array('url' => $mobilecssurl->out(), 'value' => $CFG->mobilecssurl)).' '.
+                            ['url' => $mobilecssurl->out(), 'value' => $CFG->mobilecssurl]).' '.
                     get_string('mobilecss_donotchange', 'theme_boost_union'),
                     \core\output\notification::NOTIFY_WARNING);
             $mobilescssnotification->set_show_closebutton(false);
@@ -945,7 +946,7 @@
         } else {
             $mobilescssnotification = new \core\output\notification(
                     get_string('mobilecss_set', 'theme_boost_union',
-                            array('url' => $mobilecssurl->out())).' '.
+                            ['url' => $mobilecssurl->out()]).' '.
                     get_string('mobilecss_donotchange', 'theme_boost_union'),
                     \core\output\notification::NOTIFY_INFO);
             $mobilescssnotification->set_show_closebutton(false);
@@ -982,20 +983,20 @@
         $tab->add($setting);
 
         // Prepare hide nodes options.
-        $hidenodesoptions = array(
+        $hidenodesoptions = [
                 THEME_BOOST_UNION_SETTING_HIDENODESPRIMARYNAVIGATION_HOME => get_string('home'),
                 THEME_BOOST_UNION_SETTING_HIDENODESPRIMARYNAVIGATION_MYHOME => get_string('myhome'),
                 THEME_BOOST_UNION_SETTING_HIDENODESPRIMARYNAVIGATION_MYCOURSES => get_string('mycourses'),
-                THEME_BOOST_UNION_SETTING_HIDENODESPRIMARYNAVIGATION_SITEADMIN => get_string('administrationsite')
-        );
+                THEME_BOOST_UNION_SETTING_HIDENODESPRIMARYNAVIGATION_SITEADMIN => get_string('administrationsite'),
+        ];
 
         // Setting: Hide nodes in primary navigation.
         $name = 'theme_boost_union/hidenodesprimarynavigation';
         $title = get_string('hidenodesprimarynavigationsetting', 'theme_boost_union', null, true);
         $smartmenuurl = new moodle_url('/theme/boost_union/smartmenus/menus.php');
         $description = get_string('hidenodesprimarynavigationsetting_desc', 'theme_boost_union',
-                array('url' => $smartmenuurl), true);
-        $setting = new admin_setting_configmulticheckbox($name, $title, $description, array(), $hidenodesoptions);
+                ['url' => $smartmenuurl], true);
+        $setting = new admin_setting_configmulticheckbox($name, $title, $description, [], $hidenodesoptions);
         $setting->set_updatedcallback('theme_reset_all_caches');
         $tab->add($setting);
 
@@ -1006,12 +1007,12 @@
         $tab->add($setting);
 
         // Setting: Display the category breadcrumb in the course header.
-        $categorybreadcrumbsoptions = array(
+        $categorybreadcrumbsoptions = [
             // Don't use string lazy loading (= false) because the string will be directly used and would produce a
             // PHP warning otherwise.
             THEME_BOOST_UNION_SETTING_SELECT_YES => get_string('yes'),
-            THEME_BOOST_UNION_SETTING_SELECT_NO => get_string('no')
-        );
+            THEME_BOOST_UNION_SETTING_SELECT_NO => get_string('no'),
+        ];
         $name = 'theme_boost_union/categorybreadcrumbs';
         $title = get_string('categorybreadcrumbs', 'theme_boost_union', null, true);
         $description = get_string('categorybreadcrumbs_desc', 'theme_boost_union', null, true);
@@ -1101,10 +1102,10 @@
             'region-footer-center',
             'region-offcanvas-left',
             'region-offcanvas-right',
-            'region-offcanvas-center'
+            'region-offcanvas-center',
         ], 'theme_boost_union');
         // List of all available regions.
-        $allavailableregions = array(
+        $allavailableregions = [
             'outside-top' => $regionstr['region-outside-top'],
             'outside-left' => $regionstr['region-outside-left'],
             'outside-right' => $regionstr['region-outside-right'],
@@ -1117,8 +1118,8 @@
             'offcanvas-center' => $regionstr['region-offcanvas-center'],
             'content-upper' => $regionstr['region-content-upper'],
             'content-lower' => $regionstr['region-content-lower'],
-            'header' => $regionstr['region-header']
-        );
+            'header' => $regionstr['region-header'],
+        ];
         // Partial list of regions (used on some layouts).
         $partialregions = [
             'outside-top' => $regionstr['region-outside-top'],
@@ -1128,7 +1129,7 @@
             'footer-center' => $regionstr['region-footer-center'],
             'offcanvas-left' => $regionstr['region-offcanvas-left'],
             'offcanvas-right' => $regionstr['region-offcanvas-right'],
-            'offcanvas-center' => $regionstr['region-offcanvas-center']
+            'offcanvas-center' => $regionstr['region-offcanvas-center'],
         ];
         // Build list of page layouts and map the regions to each page layout.
         $pagelayouts = [
@@ -1139,7 +1140,7 @@
             'mypublic' => $partialregions,
             'report' => $partialregions,
             'course' => $allavailableregions,
-            'frontpage' => $allavailableregions
+            'frontpage' => $allavailableregions,
         ];
         // For the mydashboard layout, remove the content-* layouts as there are already block regions.
         $pagelayouts['mydashboard'] = array_filter($allavailableregions, function($key) {
@@ -1150,7 +1151,7 @@
             $name = 'theme_boost_union/blockregionsfor'.$layout;
             $title = get_string('blockregionsforlayout', 'theme_boost_union', $layout, true);
             $description = get_string('blockregionsforlayout_desc', 'theme_boost_union', $layout, true);
-            $setting = new admin_setting_configmulticheckbox($name, $title, $description, array(), $regions);
+            $setting = new admin_setting_configmulticheckbox($name, $title, $description, [], $regions);
             $tab->add($setting);
         }
 
@@ -1180,7 +1181,7 @@
         $tab->add($setting);
 
         // Setting: Block region width for Outside (top) region.
-        $outsideregionswidthoptions = array(
+        $outsideregionswidthoptions = [
             // Don't use string lazy loading (= false) because the string will be directly used and would produce a
             // PHP warning otherwise.
                 THEME_BOOST_UNION_SETTING_OUTSIDEREGIONSWITH_FULLWIDTH =>
@@ -1188,7 +1189,7 @@
                 THEME_BOOST_UNION_SETTING_OUTSIDEREGIONSWITH_COURSECONTENTWIDTH =>
                         get_string('outsideregionswidthcoursecontentwidth', 'theme_boost_union', null, false),
                 THEME_BOOST_UNION_SETTING_OUTSIDEREGIONSWITH_HEROWIDTH =>
-                        get_string('outsideregionswidthherowidth', 'theme_boost_union', null, false));
+                        get_string('outsideregionswidthherowidth', 'theme_boost_union', null, false), ];
         $name = 'theme_boost_union/blockregionoutsidetopwidth';
         $title = get_string('blockregionoutsidetopwidth', 'theme_boost_union', null, true);
         $description = get_string('blockregionoutsidetopwidth_desc', 'theme_boost_union', null, true);
@@ -1213,13 +1214,13 @@
         $tab->add($setting);
 
         // Setting: Outside regions horizontal placement.
-        $outsideregionsplacementoptions = array(
+        $outsideregionsplacementoptions = [
             // Don't use string lazy loading (= false) because the string will be directly used and would produce a
             // PHP warning otherwise.
                 THEME_BOOST_UNION_SETTING_OUTSIDEREGIONSPLACEMENT_NEXTMAINCONTENT =>
                         get_string('outsideregionsplacementnextmaincontent', 'theme_boost_union', null, false),
                 THEME_BOOST_UNION_SETTING_OUTSIDEREGIONSPLACEMENT_NEARWINDOW =>
-                        get_string('outsideregionsplacementnearwindowedges', 'theme_boost_union', null, false));
+                        get_string('outsideregionsplacementnearwindowedges', 'theme_boost_union', null, false), ];
         $name = 'theme_boost_union/outsideregionsplacement';
         $title = get_string('outsideregionsplacement', 'theme_boost_union', null, true);
         $description = get_string('outsideregionsplacement_desc', 'theme_boost_union', null, true);
@@ -1333,7 +1334,7 @@
                 get_string('staticpagestab', 'theme_boost_union', null, true));
 
         // The static pages to be supported.
-        $staticpages = array('aboutus', 'offers', 'imprint', 'contact', 'help', 'maintenance', 'page1', 'page2', 'page3');
+        $staticpages = ['aboutus', 'offers', 'imprint', 'contact', 'help', 'maintenance', 'page1', 'page2', 'page3'];
 
         // Iterate over the pages.
         foreach ($staticpages as $staticpage) {
@@ -1375,19 +1376,19 @@
             $name = 'theme_boost_union/'.$staticpage.'linkposition';
             $title = get_string($staticpage.'linkpositionsetting', 'theme_boost_union', null, true);
             $staticpageurl = theme_boost_union_get_staticpage_link($staticpage);
-            $description = get_string($staticpage.'linkpositionsetting_desc', 'theme_boost_union', array('url' => $staticpageurl),
+            $description = get_string($staticpage.'linkpositionsetting_desc', 'theme_boost_union', ['url' => $staticpageurl],
                     true);
             $linkpositionoption =
                     // Don't use string lazy loading (= false) because the string will be directly used and would produce a
                     // PHP warning otherwise.
-                    array(THEME_BOOST_UNION_SETTING_STATICPAGELINKPOSITION_NONE =>
+                    [THEME_BOOST_UNION_SETTING_STATICPAGELINKPOSITION_NONE =>
                             get_string($staticpage.'linkpositionnone', 'theme_boost_union', null, false),
                             THEME_BOOST_UNION_SETTING_STATICPAGELINKPOSITION_FOOTNOTE =>
                                     get_string($staticpage.'linkpositionfootnote', 'theme_boost_union', null, false),
                             THEME_BOOST_UNION_SETTING_STATICPAGELINKPOSITION_FOOTER =>
                                     get_string($staticpage.'linkpositionfooter', 'theme_boost_union', null, false),
                             THEME_BOOST_UNION_SETTING_STATICPAGELINKPOSITION_BOTH =>
-                                    get_string($staticpage.'linkpositionboth', 'theme_boost_union', null, false));
+                                    get_string($staticpage.'linkpositionboth', 'theme_boost_union', null, false), ];
             $default = 'none';
             $setting = new admin_setting_configselect($name, $title, $description, $default, $linkpositionoption);
             $tab->add($setting);
@@ -1404,7 +1405,7 @@
                 get_string('infobannertab', 'theme_boost_union', null, true));
 
         // Prepare options for the pages settings.
-        $infobannerpages = array(
+        $infobannerpages = [
             // Don't use string lazy loading (= false) because the string will be directly used and would produce a
             // PHP warning otherwise.
                 THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_MY => get_string('myhome', 'core', null, false),
@@ -1412,11 +1413,11 @@
                 THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_SITEHOME => get_string('sitehome', 'core', null, false),
                 THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_COURSE => get_string('course', 'core', null, false),
                 THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_LOGIN =>
-                        get_string('infobannerpageloginpage', 'theme_boost_union', null, false)
-        );
+                        get_string('infobannerpageloginpage', 'theme_boost_union', null, false),
+        ];
 
         // Prepare options for the bootstrap class settings.
-        $infobannerbsclasses = array(
+        $infobannerbsclasses = [
             // Don't use string lazy loading (= false) because the string will be directly used and would produce a
             // PHP warning otherwise.
                 'primary' => get_string('bootstrapprimarycolor', 'theme_boost_union', null, false),
@@ -1427,46 +1428,46 @@
                 'info' => get_string('bootstrapinfocolor', 'theme_boost_union', null, false),
                 'light' => get_string('bootstraplightcolor', 'theme_boost_union', null, false),
                 'dark' => get_string('bootstrapdarkcolor', 'theme_boost_union', null, false),
-                'none' => get_string('bootstrapnone', 'theme_boost_union', null, false)
-        );
+                'none' => get_string('bootstrapnone', 'theme_boost_union', null, false),
+        ];
 
         // Prepare options for the order settings.
-        $infobannerorders = array();
+        $infobannerorders = [];
         for ($i = 1; $i <= THEME_BOOST_UNION_SETTING_INFOBANNER_COUNT; $i++) {
             $infobannerorders[$i] = $i;
         }
 
         // Prepare options for the mode settings.
-        $infobannermodes = array(
+        $infobannermodes = [
             // Don't use string lazy loading (= false) because the string will be directly used and would produce a
             // PHP warning otherwise.
                 THEME_BOOST_UNION_SETTING_INFOBANNERMODE_PERPETUAL =>
                         get_string('infobannermodeperpetual', 'theme_boost_union', null, false),
                 THEME_BOOST_UNION_SETTING_INFOBANNERMODE_TIMEBASED =>
-                        get_string('infobannermodetimebased', 'theme_boost_union', null, false)
-        );
+                        get_string('infobannermodetimebased', 'theme_boost_union', null, false),
+        ];
 
         // Create the hardcoded amount of information banners without code duplication.
         for ($i = 1; $i <= THEME_BOOST_UNION_SETTING_INFOBANNER_COUNT; $i++) {
 
             // Create Infobanner heading.
             $name = 'theme_boost_union/infobanner'.$i.'heading';
-            $title = get_string('infobannerheading', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('infobannerheading', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_heading($name, $title, null);
             $tab->add($setting);
 
             // Setting: Infobanner enabled.
             $name = 'theme_boost_union/infobanner'.$i.'enabled';
-            $title = get_string('infobannerenabledsetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('infobannerenabledsetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('infobannerenabledsetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('infobannerenabledsetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configselect($name, $title, $description, THEME_BOOST_UNION_SETTING_SELECT_NO,
                     $yesnooption);
             $tab->add($setting);
 
             // Setting: Infobanner content.
             $name = 'theme_boost_union/infobanner'.$i.'content';
-            $title = get_string('infobannercontentsetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('infobannercontentsetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('infobannercontentsetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('infobannercontentsetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_confightmleditor($name, $title, $description, '');
             $tab->add($setting);
             $page->hide_if('theme_boost_union/infobanner'.$i.'content', 'theme_boost_union/infobanner'.$i.'enabled', 'neq',
@@ -1474,20 +1475,20 @@
 
             // Setting: Infobanner pages.
             $name = 'theme_boost_union/infobanner'.$i.'pages';
-            $title = get_string('infobannerpagessetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('infobannerpagessetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('infobannerpagessetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('infobannerpagessetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configmultiselect($name, $title, $description,
-                    array($infobannerpages[THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_MY]), $infobannerpages);
+                    [$infobannerpages[THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_MY]], $infobannerpages);
             $tab->add($setting);
             $page->hide_if('theme_boost_union/infobanner'.$i.'pages', 'theme_boost_union/infobanner'.$i.'enabled', 'neq',
                     THEME_BOOST_UNION_SETTING_SELECT_YES);
 
             // Setting: Infobanner bootstrap class.
             $name = 'theme_boost_union/infobanner'.$i.'bsclass';
-            $title = get_string('infobannerbsclasssetting', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('infobannerbsclasssetting', 'theme_boost_union', ['no' => $i], true);
             $description = get_string('infobannerbsclasssetting_desc',
                     'theme_boost_union',
-                    array('no' => $i, 'bootstrapnone' => get_string('bootstrapnone', 'theme_boost_union')),
+                    ['no' => $i, 'bootstrapnone' => get_string('bootstrapnone', 'theme_boost_union')],
                     true);
             $setting = new admin_setting_configselect($name, $title, $description,
                     'primary', $infobannerbsclasses);
@@ -1497,8 +1498,8 @@
 
             // Setting: Infobanner order.
             $name = 'theme_boost_union/infobanner'.$i.'order';
-            $title = get_string('infobannerordersetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('infobannerordersetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('infobannerordersetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('infobannerordersetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configselect($name, $title, $description,
                     $i, $infobannerorders);
             $tab->add($setting);
@@ -1507,8 +1508,8 @@
 
             // Setting: Infobanner mode.
             $name = 'theme_boost_union/infobanner'.$i.'mode';
-            $title = get_string('infobannermodesetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('infobannermodesetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('infobannermodesetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('infobannermodesetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configselect($name, $title, $description,
                     THEME_BOOST_UNION_SETTING_INFOBANNERMODE_PERPETUAL, $infobannermodes);
             $tab->add($setting);
@@ -1517,8 +1518,8 @@
 
             // Setting: Infobanner start time.
             $name = 'theme_boost_union/infobanner'.$i.'start';
-            $title = get_string('infobannerstartsetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('infobannerstartsetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('infobannerstartsetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('infobannerstartsetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configdatetime($name, $title, $description, '');
             $tab->add($setting);
             $page->hide_if('theme_boost_union/infobanner'.$i.'start', 'theme_boost_union/infobanner'.$i.'enabled', 'neq',
@@ -1528,8 +1529,8 @@
 
             // Setting: Infobanner end time.
             $name = 'theme_boost_union/infobanner'.$i.'end';
-            $title = get_string('infobannerendsetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('infobannerendsetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('infobannerendsetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('infobannerendsetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configdatetime($name, $title, $description, '');
             $tab->add($setting);
             $page->hide_if('theme_boost_union/infobanner'.$i.'end', 'theme_boost_union/infobanner'.$i.'enabled', 'neq',
@@ -1539,16 +1540,16 @@
 
             // Setting: Infobanner dismissible.
             $name = 'theme_boost_union/infobanner'.$i.'dismissible';
-            $title = get_string('infobannerdismissiblesetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('infobannerdismissiblesetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('infobannerdismissiblesetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('infobannerdismissiblesetting_desc', 'theme_boost_union', ['no' => $i], true);
             // Add Reset button if the info banner is already configured to be dismissible.
             if (get_config('theme_boost_union', 'infobanner'.$i.'dismissible') == true) {
                 $reseturl = new moodle_url('/theme/boost_union/settings_infobanner_resetdismissed.php',
-                        array('sesskey' => sesskey(), 'no' => $i));
+                        ['sesskey' => sesskey(), 'no' => $i]);
                 $description .= html_writer::empty_tag('br');
                 $description .= html_writer::link($reseturl,
-                        get_string('infobannerdismissresetbutton', 'theme_boost_union', array('no' => $i), true),
-                        array('class' => 'btn btn-secondary mt-3', 'role' => 'button'));
+                        get_string('infobannerdismissresetbutton', 'theme_boost_union', ['no' => $i], true),
+                        ['class' => 'btn btn-secondary mt-3', 'role' => 'button']);
             }
             $setting = new admin_setting_configselect($name, $title, $description, THEME_BOOST_UNION_SETTING_SELECT_NO,
                     $yesnooption);
@@ -1574,21 +1575,21 @@
         $tab->add($setting);
 
         // Setting: Position of the advertisement tiles on the frontpage.
-        $tilefrontpagepositionoptions = array(
+        $tilefrontpagepositionoptions = [
                 THEME_BOOST_UNION_SETTING_ADVERTISEMENTTILES_FRONTPAGEPOSITION_BEFORE =>
                         get_string('tilefrontpagepositionsetting_before', 'theme_boost_union'),
                 THEME_BOOST_UNION_SETTING_ADVERTISEMENTTILES_FRONTPAGEPOSITION_AFTER =>
-                        get_string('tilefrontpagepositionsetting_after', 'theme_boost_union'));
+                        get_string('tilefrontpagepositionsetting_after', 'theme_boost_union'), ];
         $name = 'theme_boost_union/tilefrontpageposition';
         $title = get_string('tilefrontpagepositionsetting', 'theme_boost_union', null, true);
-        $url = new moodle_url('/admin/settings.php', array('section' => 'frontpagesettings'));
-        $description = get_string('tilefrontpagepositionsetting_desc', 'theme_boost_union', array('url' => $url), true);
+        $url = new moodle_url('/admin/settings.php', ['section' => 'frontpagesettings']);
+        $description = get_string('tilefrontpagepositionsetting_desc', 'theme_boost_union', ['url' => $url], true);
         $setting = new admin_setting_configselect($name, $title, $description,
                 THEME_BOOST_UNION_SETTING_ADVERTISEMENTTILES_FRONTPAGEPOSITION_BEFORE, $tilefrontpagepositionoptions);
         $tab->add($setting);
 
         // Setting: Number of advertisement tile columns per row.
-        $tilecolumnsoptions = array();
+        $tilecolumnsoptions = [];
         for ($i = 1; $i <= THEME_BOOST_UNION_SETTING_ADVERTISEMENTTILES_COLUMN_COUNT; $i++) {
             $tilecolumnsoptions[$i] = $i;
         }
@@ -1602,17 +1603,17 @@
         $name = 'theme_boost_union/tileheight';
         $title = get_string('tileheightsetting', 'theme_boost_union', null, true);
         $description = get_string('tileheightsetting_desc', 'theme_boost_union', null, true);
-        $tileheightoptions = array(
+        $tileheightoptions = [
                 THEME_BOOST_UNION_SETTING_HEIGHT_100PX => THEME_BOOST_UNION_SETTING_HEIGHT_100PX,
                 THEME_BOOST_UNION_SETTING_HEIGHT_150PX => THEME_BOOST_UNION_SETTING_HEIGHT_150PX,
                 THEME_BOOST_UNION_SETTING_HEIGHT_200PX => THEME_BOOST_UNION_SETTING_HEIGHT_200PX,
-                THEME_BOOST_UNION_SETTING_HEIGHT_250PX => THEME_BOOST_UNION_SETTING_HEIGHT_250PX);
+                THEME_BOOST_UNION_SETTING_HEIGHT_250PX => THEME_BOOST_UNION_SETTING_HEIGHT_250PX, ];
         $setting = new admin_setting_configselect($name, $title, $description,
                 THEME_BOOST_UNION_SETTING_HEIGHT_150PX, $tileheightoptions);
         $tab->add($setting);
 
         // Prepare options for the order settings.
-        $tilesorders = array();
+        $tilesorders = [];
         for ($i = 1; $i <= THEME_BOOST_UNION_SETTING_ADVERTISEMENTTILES_COUNT; $i++) {
             $tilesorders[$i] = $i;
         }
@@ -1622,22 +1623,22 @@
 
             // Create advertisement tile heading.
             $name = 'theme_boost_union/tile'.$i.'heading';
-            $title = get_string('tileheading', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('tileheading', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_heading($name, $title, null);
             $tab->add($setting);
 
             // Setting: Advertisement tile enabled.
             $name = 'theme_boost_union/tile'.$i.'enabled';
-            $title = get_string('tileenabledsetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('tileenabledsetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('tileenabledsetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('tileenabledsetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configselect($name, $title, $description, THEME_BOOST_UNION_SETTING_SELECT_NO,
                     $yesnooption);
             $tab->add($setting);
 
             // Setting: Advertisement tile title.
             $name = 'theme_boost_union/tile'.$i.'title';
-            $title = get_string('tiletitlesetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('tiletitlesetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('tiletitlesetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('tiletitlesetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configtext($name, $title, $description, '');
             $tab->add($setting);
             $page->hide_if('theme_boost_union/tile'.$i.'title', 'theme_boost_union/tile'.$i.'enabled', 'neq',
@@ -1645,8 +1646,8 @@
 
             // Setting: Advertisement tile content.
             $name = 'theme_boost_union/tile'.$i.'content';
-            $title = get_string('tilecontentsetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('tilecontentsetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('tilecontentsetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('tilecontentsetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_confightmleditor($name, $title, $description, '');
             $tab->add($setting);
             $page->hide_if('theme_boost_union/tile'.$i.'content', 'theme_boost_union/tile'.$i.'enabled', 'neq',
@@ -1654,10 +1655,10 @@
 
             // Setting: Advertisement tile background image.
             $name = 'theme_boost_union/tile'.$i.'backgroundimage';
-            $title = get_string('tilebackgroundimagesetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('tilebackgroundimagesetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('tilebackgroundimagesetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('tilebackgroundimagesetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configstoredfile($name, $title, $description, 'tilebackgroundimage'.$i, 0,
-                array('maxfiles' => 1, 'accepted_types' => 'web_image'));
+                ['maxfiles' => 1, 'accepted_types' => 'web_image']);
             $setting->set_updatedcallback('theme_reset_all_caches');
             $tab->add($setting);
             $page->hide_if('theme_boost_union/tile'.$i.'backgroundimage', 'theme_boost_union/tile'.$i.'enabled', 'neq',
@@ -1665,9 +1666,9 @@
 
             // Setting: Course header image position.
             $name = 'theme_boost_union/tile'.$i.'backgroundimageposition';
-            $title = get_string('tilebackgroundimagepositionsetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('tilebackgroundimagepositionsetting_desc', 'theme_boost_union', array('no' => $i), true);
-            $tilebackgroundimagepositionoptions = array(
+            $title = get_string('tilebackgroundimagepositionsetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('tilebackgroundimagepositionsetting_desc', 'theme_boost_union', ['no' => $i], true);
+            $tilebackgroundimagepositionoptions = [
                     THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_CENTER =>
                             THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_CENTER,
                     THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_TOP =>
@@ -1685,7 +1686,7 @@
                     THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_CENTER =>
                             THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_CENTER,
                     THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_BOTTOM =>
-                            THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_BOTTOM);
+                            THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_BOTTOM, ];
             $setting = new admin_setting_configselect($name, $title, $description,
                     THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_CENTER, $tilebackgroundimagepositionoptions);
             $tab->add($setting);
@@ -1694,8 +1695,8 @@
 
             // Setting: Advertisement tile link URL.
             $name = 'theme_boost_union/tile'.$i.'link';
-            $title = get_string('tilelinksetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('tilelinksetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('tilelinksetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('tilelinksetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configtext($name, $title, $description, '', PARAM_URL);
             $tab->add($setting);
             $page->hide_if('theme_boost_union/tile'.$i.'link', 'theme_boost_union/tile'.$i.'enabled', 'neq',
@@ -1703,8 +1704,8 @@
 
             // Setting: Advertisement tile link title.
             $name = 'theme_boost_union/tile'.$i.'linktitle';
-            $title = get_string('tilelinktitlesetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('tilelinktitlesetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('tilelinktitlesetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('tilelinktitlesetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configtext($name, $title, $description, '');
             $tab->add($setting);
             $page->hide_if('theme_boost_union/tile'.$i.'linktitle', 'theme_boost_union/tile'.$i.'enabled', 'neq',
@@ -1712,13 +1713,13 @@
 
             // Setting: Advertisement tile link target.
             $name = 'theme_boost_union/tile'.$i.'linktarget';
-            $title = get_string('tilelinktargetsetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('tilelinktargetsetting_desc', 'theme_boost_union', array('no' => $i), true);
-            $tilelinktargetnoptions = array(
+            $title = get_string('tilelinktargetsetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('tilelinktargetsetting_desc', 'theme_boost_union', ['no' => $i], true);
+            $tilelinktargetnoptions = [
                     THEME_BOOST_UNION_SETTING_LINKTARGET_SAMEWINDOW =>
                             get_string('tilelinktargetsetting_samewindow', 'theme_boost_union'),
                     THEME_BOOST_UNION_SETTING_LINKTARGET_NEWTAB =>
-                            get_string('tilelinktargetsetting_newtab', 'theme_boost_union'));
+                            get_string('tilelinktargetsetting_newtab', 'theme_boost_union'), ];
             $setting = new admin_setting_configselect($name, $title, $description, THEME_BOOST_UNION_SETTING_LINKTARGET_SAMEWINDOW,
                     $tilelinktargetnoptions);
             $tab->add($setting);
@@ -1727,8 +1728,8 @@
 
             // Setting: Advertisement tile order position.
             $name = 'theme_boost_union/tile'.$i.'order';
-            $title = get_string('tileordersetting', 'theme_boost_union', array('no' => $i), true);
-            $description = get_string('tileordersetting_desc', 'theme_boost_union', array('no' => $i), true);
+            $title = get_string('tileordersetting', 'theme_boost_union', ['no' => $i], true);
+            $description = get_string('tileordersetting_desc', 'theme_boost_union', ['no' => $i], true);
             $setting = new admin_setting_configselect($name, $title, $description, $i, $tilesorders);
             $tab->add($setting);
             $page->hide_if('theme_boost_union/tile'.$i.'order', 'theme_boost_union/tile'.$i.'enabled', 'neq',
diff --git a/settings_infobanner_resetdismissed.php b/settings_infobanner_resetdismissed.php
index 74ed163fe15..fd92369d6b0 100644
--- a/settings_infobanner_resetdismissed.php
+++ b/settings_infobanner_resetdismissed.php
@@ -60,20 +60,20 @@
 
     // Redirect with a nice message.
     $redirecturl = new moodle_url('/admin/settings.php',
-            array('section' => 'theme_boost_union_content'),
+            ['section' => 'theme_boost_union_content'],
             'theme_boost_union_infobanners_infobanner');
     if ($resetresult == true) {
-        redirect($redirecturl, get_string('infobannerdismisssuccess', 'theme_boost_union', array('no' => $no)), null,
+        redirect($redirecturl, get_string('infobannerdismisssuccess', 'theme_boost_union', ['no' => $no]), null,
                 \core\output\notification::NOTIFY_SUCCESS);
     } else {
-        redirect($redirecturl, get_string('infobannerdismissfail', 'theme_boost_union', array('no' => $no)), null,
+        redirect($redirecturl, get_string('infobannerdismissfail', 'theme_boost_union', ['no' => $no]), null,
                 \core\output\notification::NOTIFY_ERROR);
     }
 
     // Otherwise.
 } else {
     // Set page URL.
-    $PAGE->set_url('/theme/boost_union/settings_infobanner_resetdismissed.php', array('sesskey' => sesskey(), 'no' => $no));
+    $PAGE->set_url('/theme/boost_union/settings_infobanner_resetdismissed.php', ['sesskey' => sesskey(), 'no' => $no]);
 
     // Set page layout.
     $PAGE->set_pagelayout('standard');
@@ -91,25 +91,25 @@
     echo $OUTPUT->heading(get_string('infobannerdismissreset', 'theme_boost_union'));
 
     // Show confirmation message.
-    echo get_string('infobannerdismissconfirm', 'theme_boost_union', array('no' => $no));
+    echo get_string('infobannerdismissconfirm', 'theme_boost_union', ['no' => $no]);
 
     // Start buttons.
-    echo html_writer::start_tag('div', array('class' => 'mt-2'));
+    echo html_writer::start_tag('div', ['class' => 'mt-2']);
 
     // Show confirm button.
     $confirmurl = new moodle_url('/theme/boost_union/settings_infobanner_resetdismissed.php',
-            array('sesskey' => sesskey(), 'no' => $no, 'confirm' => 1));
+            ['sesskey' => sesskey(), 'no' => $no, 'confirm' => 1]);
     echo html_writer::link($confirmurl,
             get_string('confirm', 'core', null, true),
-            array('class' => 'btn btn-primary mr-3', 'role' => 'button'));
+            ['class' => 'btn btn-primary mr-3', 'role' => 'button']);
 
     // Show cancel button.
     $cancelurl = new moodle_url('/admin/settings.php',
-            array('section' => 'theme_boost_union_content'),
+            ['section' => 'theme_boost_union_content'],
             'theme_boost_union_infobanners_infobanner');
     echo html_writer::link($cancelurl,
             get_string('cancel', 'core', null, true),
-            array('class' => 'btn btn-secondary', 'role' => 'button'));
+            ['class' => 'btn btn-secondary', 'role' => 'button']);
 
     // End buttons.
     echo html_writer::end_tag('div');
diff --git a/smartmenus/edit.php b/smartmenus/edit.php
index d20c5d5ce69..8dfb22e8a31 100644
--- a/smartmenus/edit.php
+++ b/smartmenus/edit.php
@@ -44,11 +44,11 @@
 
 // Prepare the page.
 $PAGE->set_context($context);
-$PAGE->set_url(new moodle_url('/theme/boost_union/smartmenus/edit.php', array('id' => $id, 'sesskey' => sesskey())));
+$PAGE->set_url(new moodle_url('/theme/boost_union/smartmenus/edit.php', ['id' => $id, 'sesskey' => sesskey()]));
 $PAGE->set_cacheable(false);
-$PAGE->navbar->add(get_string('themes', 'core'), new moodle_url('/admin/category.php', array('category' => 'themes')));
+$PAGE->navbar->add(get_string('themes', 'core'), new moodle_url('/admin/category.php', ['category' => 'themes']));
 $PAGE->navbar->add(get_string('pluginname', 'theme_boost_union'), new moodle_url('/admin/category.php',
-        array('category' => 'theme_boost_union')));
+        ['category' => 'theme_boost_union']));
 $PAGE->navbar->add(get_string('smartmenus', 'theme_boost_union'), new moodle_url('/theme/boost_union/smartmenus/menus.php'));
 $PAGE->set_title(theme_boost_union_get_externaladminpage_title(get_string('smartmenus', 'theme_boost_union')));
 if ($id !== null && $id > 0) {
@@ -65,12 +65,12 @@
     $menu = $DB->get_record('theme_boost_union_menus', ['id' => $id], '*', MUST_EXIST);
 
     // Init form and pass the id and menu object to it.
-    $form = new \theme_boost_union\form\smartmenu_edit_form(null, array('id' => $id, 'menu' => $menu));
+    $form = new \theme_boost_union\form\smartmenu_edit_form(null, ['id' => $id, 'menu' => $menu]);
 
     // Otherwise, if we are creating a new menu.
 } else {
     // Init form and pass the id to it.
-    $form = new \theme_boost_union\form\smartmenu_edit_form(null, array('id' => $id));
+    $form = new \theme_boost_union\form\smartmenu_edit_form(null, ['id' => $id]);
 }
 
 // If the form was submitted.
@@ -80,7 +80,7 @@
 
     // After the menu data was saved, let's redirect to configure items for this menu.
     if (isset($data->saveanddisplay) && $data->saveanddisplay) {
-        redirect(new moodle_url('/theme/boost_union/smartmenus/items.php', array('menu' => $menuid)));
+        redirect(new moodle_url('/theme/boost_union/smartmenus/items.php', ['menu' => $menuid]));
 
         // Otherwise.
     } else {
diff --git a/smartmenus/edit_items.php b/smartmenus/edit_items.php
index f65e77cc17d..53455d7d311 100644
--- a/smartmenus/edit_items.php
+++ b/smartmenus/edit_items.php
@@ -64,13 +64,13 @@
 
 // Prepare the page.
 $PAGE->set_context($context);
-$PAGE->set_url(new moodle_url('/theme/boost_union/smartmenus/edit_items.php', array('menu' => $menu->id, 'sesskey' => sesskey())));
-$PAGE->navbar->add(get_string('themes', 'core'), new moodle_url('/admin/category.php', array('category' => 'themes')));
+$PAGE->set_url(new moodle_url('/theme/boost_union/smartmenus/edit_items.php', ['menu' => $menu->id, 'sesskey' => sesskey()]));
+$PAGE->navbar->add(get_string('themes', 'core'), new moodle_url('/admin/category.php', ['category' => 'themes']));
 $PAGE->navbar->add(get_string('pluginname', 'theme_boost_union'), new moodle_url('/admin/category.php',
-        array('category' => 'theme_boost_union')));
+        ['category' => 'theme_boost_union']));
 $PAGE->navbar->add(get_string('smartmenus', 'theme_boost_union'), new moodle_url('/theme/boost_union/smartmenus/menus.php'));
 $PAGE->navbar->add(get_string('smartmenusmenuitems', 'theme_boost_union'), new moodle_url('/theme/boost_union/smartmenus/items.php',
-        array('menu' => $menu->id)));
+        ['menu' => $menu->id]));
 $PAGE->set_title(theme_boost_union_get_externaladminpage_title(get_string('smartmenus', 'theme_boost_union')));
 if ($menuid == null && $id !== null) {
     $PAGE->set_heading(get_string('smartmenusmenuitemedit', 'theme_boost_union'));
@@ -91,7 +91,7 @@
 $nextorder = isset($lastmenu->sortorder) ? $lastmenu->sortorder + 1 : 1;
 
 // Prepare form URL.
-$formurl = new moodle_url('/theme/boost_union/smartmenus/edit_items.php', array('menu' => $menu->id, 'sesskey' => sesskey()));
+$formurl = new moodle_url('/theme/boost_union/smartmenus/edit_items.php', ['menu' => $menu->id, 'sesskey' => sesskey()]);
 
 // If we are editing an existing menu item.
 if ($id != null) {
@@ -99,23 +99,23 @@
     $menuitem = $DB->get_record('theme_boost_union_menuitems', ['id' => $id], '*', MUST_EXIST);
 
     // Init form and pass the id and menu item object to it.
-    $form = new \theme_boost_union\form\smartmenu_item_edit_form($formurl->out(false), array(
+    $form = new \theme_boost_union\form\smartmenu_item_edit_form($formurl->out(false), [
             'id' => $id,
             'menu' => $menu->id,
             'menutype' => $menu->type,
             'nextorder' => $nextorder,
             'menuitem' => $menuitem,
-    ));
+    ]);
 
     // Otherwise, if we are creating a new menu item.
 } else {
     // Init form and pass the id to it.
-    $form = new \theme_boost_union\form\smartmenu_item_edit_form($formurl->out(false), array(
+    $form = new \theme_boost_union\form\smartmenu_item_edit_form($formurl->out(false), [
             'id' => $id,
             'menu' => $menu->id,
             'menutype' => $menu->type,
             'nextorder' => $nextorder,
-    ));
+    ]);
 }
 
 // If the form was submitted.
@@ -124,13 +124,13 @@
     $result = theme_boost_union\smartmenu_item::manage_instance($data);
     if ($result) {
         // Redirect to menu item list.
-        redirect(new moodle_url('/theme/boost_union/smartmenus/items.php', array('menu' => $menu->id)));
+        redirect(new moodle_url('/theme/boost_union/smartmenus/items.php', ['menu' => $menu->id]));
     }
 
     // Otherwise if the form was cancelled.
 } else if ($form->is_cancelled()) {
     // Redirect to menu item list.
-    redirect(new moodle_url('/theme/boost_union/smartmenus/items.php', array('menu' => $menu->id)));
+    redirect(new moodle_url('/theme/boost_union/smartmenus/items.php', ['menu' => $menu->id]));
 }
 
 // If a menu item ID is given.
@@ -149,7 +149,7 @@
         \core\notification::error(get_string('error:smartmenusmenuitemnotfound', 'theme_boost_union'));
 
         // Redirect to menu item list (where the notification is shown).
-        redirect(new moodle_url('/theme/boost_union/smartmenus/items.php', array('menu' => $menu->id)));
+        redirect(new moodle_url('/theme/boost_union/smartmenus/items.php', ['menu' => $menu->id]));
     }
 }
 
diff --git a/smartmenus/items.php b/smartmenus/items.php
index 785a0a3d83d..b4b4605578e 100644
--- a/smartmenus/items.php
+++ b/smartmenus/items.php
@@ -65,12 +65,12 @@
 $PAGE->set_context($context);
 $PAGE->set_url($pageurl);
 $PAGE->set_cacheable(false);
-$PAGE->navbar->add(get_string('themes', 'core'), new moodle_url('/admin/category.php', array('category' => 'themes')));
+$PAGE->navbar->add(get_string('themes', 'core'), new moodle_url('/admin/category.php', ['category' => 'themes']));
 $PAGE->navbar->add(get_string('pluginname', 'theme_boost_union'), new moodle_url('/admin/category.php',
-        array('category' => 'theme_boost_union')));
+        ['category' => 'theme_boost_union']));
 $PAGE->navbar->add(get_string('smartmenus', 'theme_boost_union'), new moodle_url('/theme/boost_union/smartmenus/menus.php'));
 $PAGE->navbar->add(get_string('smartmenusmenuitems', 'theme_boost_union'), new moodle_url('/theme/boost_union/smartmenus/items.php',
-        array('menu' => $menu->id)));
+        ['menu' => $menu->id]));
 
 // Process actions.
 if ($action !== null && confirm_sesskey()) {
@@ -127,7 +127,7 @@
 
 // Build smart menu items table.
 $table = new theme_boost_union\table\smartmenus_items($menu->id);
-$table->define_baseurl($PAGE->url, array('menu' => $menu->id));
+$table->define_baseurl($PAGE->url, ['menu' => $menu->id]);
 
 // Start page output.
 echo $OUTPUT->header();
@@ -135,9 +135,9 @@
 if (isset($menu->title)) {
     $menuheading = $menu->title;
     $settingstitle = get_string('smartmenussettings', 'theme_boost_union');
-    $settingsurl = new moodle_url('/theme/boost_union/smartmenus/edit.php', array('id' => $menuid, 'sesskey' => sesskey()));
+    $settingsurl = new moodle_url('/theme/boost_union/smartmenus/edit.php', ['id' => $menuid, 'sesskey' => sesskey()]);
     $menuheading .= html_writer::link($settingsurl,
-            $OUTPUT->pix_icon('t/edit', $settingstitle, 'moodle', array('class' => 'ml-2')));
+            $OUTPUT->pix_icon('t/edit', $settingstitle, 'moodle', ['class' => 'ml-2']));
     echo $OUTPUT->heading($menuheading, 4);
 }
 
diff --git a/smartmenus/menulib.php b/smartmenus/menulib.php
index 62d59b2fb39..fe2a6302ccc 100644
--- a/smartmenus/menulib.php
+++ b/smartmenus/menulib.php
@@ -151,7 +151,7 @@ public function restriction_byroles(&$query) {
         $query->where[] = " u.id IN (SELECT userid FROM {role_assignments} WHERE roleid $insql AND userid=:rluserid $contextsql)";
         $params = [
             'rluserid' => $this->userid,
-            'systemcontext' => context_system::instance()->id
+            'systemcontext' => context_system::instance()->id,
         ];
         $query->params += array_merge($params, $inparam);
 
@@ -645,7 +645,7 @@ public static function color_get_rgba($hexa, $opacity) {
      */
     public static function get_lanuage_options() {
         $languages = get_string_manager()->get_list_of_translations();
-        $langoptions = array();
+        $langoptions = [];
         foreach ($languages as $key => $lang) {
             $langoptions[$key] = $lang;
         }
diff --git a/smartmenus/menus.php b/smartmenus/menus.php
index 52691515b59..7a0f1e73eb2 100644
--- a/smartmenus/menus.php
+++ b/smartmenus/menus.php
@@ -119,7 +119,7 @@
 // Prepare 'Create menu' button.
 $createbutton = $OUTPUT->box_start();
 $createbutton .= $OUTPUT->single_button(
-        new \moodle_url('/theme/boost_union/smartmenus/edit.php', array('sesskey' => sesskey())),
+        new \moodle_url('/theme/boost_union/smartmenus/edit.php', ['sesskey' => sesskey()]),
         get_string('smartmenusmenucreate', 'theme_boost_union'), 'get');
 $createbutton .= $OUTPUT->box_end();
 
diff --git a/version.php b/version.php
index bf33db190ca..c95969a3682 100644
--- a/version.php
+++ b/version.php
@@ -30,4 +30,4 @@
 $plugin->requires = 2023042402.04;
 $plugin->supported = [402, 402];
 $plugin->maturity = MATURITY_STABLE;
-$plugin->dependencies = array('theme_boost' => 2023042400);
+$plugin->dependencies = ['theme_boost' => 2023042400];