Online PHP editor | refs for Yr5PN

<?php $x = range(0, 100000); $keys = array_map(function ($x) { return chr(46+rand(0, 26)) . chr(46+rand(0, 26)) . chr(46+rand(0, 26)) . $x; }, $x); $vars = array_combine($keys, $x); function _ext() { extract(func_get_arg(0)); } function _for() { foreach (func_get_arg(0) as $__k => $__v) { $$__k = $__v; } unset($__k, $__v); } $t = -microtime(TRUE); _ext($vars); echo sprintf('%.4f', $t + microtime(TRUE)) . PHP_EOL; $t = -microtime(TRUE); _for($vars); echo sprintf('%.4f', $t + microtime(TRUE)) . PHP_EOL;