3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = 0; for($i = 50000; $i--; ) { $s = microtime(true); glob("*.php"); $d = microtime(true) - $s; $t += $d; } echo $t / 50000;

preferences:
52.51 ms | 402 KiB | 5 Q