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run code in 200+ php & hhvm versions
Bugs & Features
<?php $nums = \range(0, 25000); $starts = []; $ends = []; for ($i = 0; $i < 10; ++$i) { $starts[] = \microtime(true); $mout = \array_map(function ($item) { return (string)$item . 'm'; }, $nums); $ends[] = \microtime(true); } $total = 0; for ($i = 0; $i < 10; ++$i) { $total += $ends[$i] * 1000 - $starts[$i] * 1000; } \var_dump(\round($total / 10, 2));