Online PHP editor | refs for kbRhm

<?php $memory = memory_get_usage(true); $dates = array(); for ($i = 0; $i < 100; $i++) { $date = new DateTime(); $dates[] = $date->format('Y-m-d H:i:s'); } var_dump(memory_get_usage(true) - $memory); $memory = memory_get_usage(true); $dates = array(); for ($i = 0; $i < 100; $i++) { $dates[] = date('Y-m-d H:i:s', time()); } var_dump(memory_get_usage(true) - $memory);