Online PHP editor | refs for E0eun

<?php $cases = array(false, 0, 1, 2, 3, 4, 5, true, null); $result = array(); $ln = 1000; $s = microtime(true); for ($i = 0; $i < $ln; $i++) { foreach ($cases as $c) { $result['case_' . json_encode($c)] = !!$c; } } var_dump('time : ' . (microtime(true) - $s) . ' for ' . $ln . ' times !!$c on each case, result:', $result); $s = microtime(true); for ($i = 0; $i < $ln; $i++) { foreach ($cases as $c) { $result['case_' . json_encode($c)] = (bool)$c; } } var_dump('time : ' . (microtime(true) - $s) . ' for ' . $ln . ' times (bool)$c on each case, result:', $result);