3v4l.org

run code in 300+ PHP versions simultaneously
<?php $timeStart = microtime(true); foreach (range(1, 10000) as $i) { eval('function func'.$i.'() { return func'.($i-1).'(); };'); } $timeEnd = microtime(true); $executionTime = ($timeEnd - $timeStart) / 60; var_dump($execution);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1
Notice: Undefined variable: execution in /in/aPueA on line 8 NULL

preferences:
136.58 ms | 403 KiB | 141 Q