3v4l.org

run code in 300+ PHP versions simultaneously
<?php $range = range(1,1000000); $start_time = microtime(); array_shift($range); $end_time = microtime(); echo $end_time - $start_time; $start_time = microtime(); count($range); $end_time = microtime(); echo $end_time - $start_time;

preferences:
33.98 ms | 402 KiB | 5 Q