3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = microtime(true); $counter = 0; for ($i=0; $i < 1000000; $i++) { $counter++; } echo 'Executime: ' . round(microtime(true) - $start, 4) . ' seconds.';

preferences:
34.59 ms | 402 KiB | 5 Q