3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Blabla { } function &getClassByMe($name) { static $instance = array(); if (isset($instance[$name])) { return $instance[$name]; } $instance['$name'] = new $name(); return $instance[$name]; } $aa =& getClassByMe('Blabla');
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4

preferences:
150.88 ms | 403 KiB | 168 Q