Merge pull request #264 from Yoast/JRF/CI/use-parallel-lint

Travis/Composer: switch over to parallel linting of PHP files

.travis.yml

@@ -40,14 +40,18 @@ before_install:
 - if [[ "$CHECKJS" == "1" ]]; then export PATH=$HOME/.yarn/bin:$PATH; fi
 
 install:
-- if [[ "$PHPUNIT" == "1" ]]; then composer install --no-interaction; fi
+- |
+  if [[ $TRAVIS_PHP_VERSION == "nightly" ]]; then
+    composer install --prefer-dist --no-interaction --ignore-platform-reqs
+  else
+    composer install --prefer-dist --no-interaction
+  fi
 - if [[ "$CHECKJS" == "1" ]]; then yarn global add grunt-cli; fi
 - if [[ "$CHECKJS" == "1" ]]; then yarn install; fi
 - if [[ "$SECURITY" == "1" ]]; then wget -P $SECURITYCHECK_DIR https://get.sensiolabs.org/security-checker.phar && chmod +x $SECURITYCHECK_DIR/security-checker.phar;fi
 
 script:
-- if find -L . -path ./vendor -prune -o -path ./node_modules -prune -o -name '*.php' -exec php -l {} \; | grep "^[Parse error|Fatal error]"; then exit 1; fi
-# Run PHPCS separately for the plugin files and the test files.
+- composer lint
 - if [[ "$PHPCS" == "1" ]]; then composer check-cs; fi
 - if [[ "$CHECKJS" == "1" ]]; then grunt check; fi
 - if [[ "$PHPUNIT" == "1" ]]; then composer test; fi

composer.json

@@ -50,7 +50,9 @@
   "require-dev": {
     "brain/monkey": "^2.4.0",
     "phpunit/phpunit": "^5.4 || ^6.0 || ^7.0",
-    "yoast/yoastcs": "^2.0.0"
+    "yoast/yoastcs": "^2.0.0",
+    "php-parallel-lint/php-parallel-lint": "^1.2",
+    "php-parallel-lint/php-console-highlighter": "^0.5"
   },
   "autoload": {
     "classmap": [ "inc" ]
@@ -68,6 +70,9 @@
     }
   },
   "scripts": {
+    "lint": [
+      "@php ./vendor/php-parallel-lint/php-parallel-lint/parallel-lint . -e php --exclude vendor --exclude node_modules --exclude .git"
+    ],
     "test": [
       "@php ./vendor/phpunit/phpunit/phpunit --colors=always"
     ],