<?php $iter = 100000; $array = range(0, $iter); $function = function($val, $key) {}; $t = microtime(true); for($i = 0; $i < $iter; $i++) { foreach($array as $key => $val) { $function($val, $key); } } echo 'foreach: '.(microtime(true) - $t).'\n'; $t = microtime(true); for($i = 0; $i < $iter; $i++) { array_walk($array, $function); } echo 'array_walk: '.(microtime(true) - $t).'\n'; $t = microtime(true); for($i = 0; $i < $iter; $i++) { array_map($function, $array, array_keys($array)); } echo 'array_map: '.(microtime(true) - $t).'\n';<?php
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