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refactor unnecessary fully qualified class names

refactor.php

@@ -0,0 +1,27 @@
+<?php
+define('DS', DIRECTORY_SEPARATOR);
+
+$filename = __DIR__ . DS . 'src' . DS . 'cassandra' . DS . 'Cassandra.php';
+$contents = file_get_contents($filename);
+
+if(preg_match_all('~\\\cassandra\\\([a-z][a-z0-9]+)~i', $contents, $matches))
+{
+  function sortlen($a, $b)
+  {
+    return strlen($b) - strlen($a);
+  }
+
+  //$use = [];
+
+  $classes = array_unique($matches[1]);
+  usort($classes, 'sortlen');
+  foreach($classes as $class)
+  {
+    $contents = str_replace(' \\cassandra\\' . $class, ' ' . $class, $contents);
+    $contents = str_replace('(\\cassandra\\' . $class, '(' . $class, $contents);
+  }
+
+  file_put_contents($filename, $contents);
+}
+
+echo 'Refactor done' . PHP_EOL . PHP_EOL;