3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = microtime(true); for($i = 0; $i < 100000; $i++) { $a = rand(1, 100); $b = rand(1, 100); $c = $a == $b; } echo sprintf("%f seconds", microtime(true) - $s);

preferences:
28.96 ms | 402 KiB | 5 Q