Online PHP editor | refs for 97CC5

<?php $var = null; $var = new stdClass(); $time1 = microtime(true); for ($i = 0; $i <= 1000000; $i++) { if (!$var) {} } $time1 = microtime(true) - $time1; echo "Time using '!': $time1\n"; $time2 = microtime(true); for ($i = 0; $i <= 1000000; $i++) { if ($var === null) {} } $time2 = microtime(true) - $time2; echo "Time using '===': $time2\n"; if ($time1 > $time2) echo '"===" was faster'; else echo '"!" was faster';