Online PHP editor | refs for 0aOnk

<?php $cases = array(false, 0, 1, 2, 3, 4, 5, true, null); $cnt = count($cases); $ln = 111111; $s = microtime(true); for ($i = 0; $i < $ln; $i++) { $result = array(); foreach ($cases as $c) { $result[] = !!$c; } } var_dump('time : ' . (microtime(true) - $s) . ' for ' . ($ln * $cnt) . ' times !!$c'); $s = microtime(true); for ($i = 0; $i < $ln; $i++) { $result = array(); foreach ($cases as $c) { $result[] = (bool)$c; } } var_dump('time : ' . (microtime(true) - $s) . ' for ' . ($ln * $cnt) . ' times (bool)$c');