3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = microtime(true); $h = 0; for($i = 0; $i < 10000; $i++) { $h++; } $b = microtime(true); echo 'For: ' . $b - $a; $a = microtime(true); $h = 0; foreach (range(1, 10000) as $index) { $h++; } $b = microtime(true); echo 'Foreach: ' . $b - $a;

preferences:
35.51 ms | 402 KiB | 5 Q