Online PHP editor | refs for oHeDK

<?php $i=0; $arr = array(); $arr2 = array(); $time = microtime(true); while($i < 1000000) { $i++; $arr[] = $i; } $time = microtime(true) - $time; echo 'took ' . number_format($time, 3)."\n"; $time = microtime(true); while($i < 100000) { $i++; array_push($arr2, $i); } $time = microtime(true) - $time; echo 'took ' . number_format($time, 3)."\n";