3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(); for ($i = 0; $i < 100000; ++$i) { $arr[] = $i; } print microtime() . "\n"; $k = array_search(59281, $arr); print microtime() . "\n"; unset($arr[$k]); print microtime() . "\n";

preferences:
28.27 ms | 402 KiB | 5 Q