Online PHP editor | refs for W4Ir1

<?php $arr = range(0, 10000); $start_time = microtime(true); for ($index = 0; $index < 100000; $index++) { count($arr); } echo 'Took: ' . (string) (microtime(true) - $start_time) . "\n"; $start_time = microtime(true); for ($index = 0; $index < 100000; $index++) { empty($arr); } echo 'Took: ' . (string) (microtime(true) - $start_time) . "\n";