3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_GET = array_map(function() { return openssl_random_pseudo_bytes(524288); }, range(1, 500)); $before = microtime(1); array_walk_recursive($_GET, function($item) { return stripslashes($item); }); echo microtime(1) - $before . "\n";

preferences:
29.82 ms | 402 KiB | 5 Q