Online PHP editor | refs for 8UI8f

<?php $r = [0,0,0]; $range = 100000; $c = range(0,$range-1); for($a = 0;$a < 10;$a++){ $t = microtime(true); for($i = 1;++$i < $range;)$i; $r[0] += microtime(true) - $t; $t = microtime(true); foreach($c as $i)$i; $r[1] += microtime(true) - $t; $t = microtime(true); $i = 0; while(++$i < $range)$i; $r[2] += microtime(true) - $t; } var_dump($r);