Online PHP editor | refs for SQnDe

<?php $iter = 100; $array = range(0, $iter); $function = function($val, $key) {}; $t = microtime(true); for($i = 0; $i < $iter; $i++) { array_walk($array, $function); } echo 'array_walk '.($walk = microtime(true) - $t); $t = microtime(true); for($i = 0; $i < $iter; $i++) { array_map($function, $array, array_keys($array)); } echo ', array_map '.($map = microtime(true) - $t); echo ', '.(100 - $walk / $map * 100).'%';