3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array();for ($i = 0; $i < 1000000; $i++) { $array[$i] = true;}for ($j = 0; $j < 1000000; $j+=1000) { if (in_array($j,$array)) { }}

preferences:
36.25 ms | 405 KiB | 6 Q