3v4l.org

run code in 300+ PHP versions simultaneously
<?php $l = ' return isset($this->actions[0]) && class_exists( $this->actions[0] . "Controller" ) ? true : false;'; preg_replace('/class_exists\((.*)\)/', 'class_exists(\\Mastershop\\Core\\getNamespace($1)', $l); echo $l; echo uniqid();

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.0.200.0270.00715.00

preferences:
29.42 ms | 401 KiB | 5 Q