3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); $b = 1000; $array = range(1000, 1); $i = $b; $s1 = microtime(true); while($i--) { $a = array_shift(array_slice($array, 0, 1)); } $s2 = microtime(true); echo $s2 - $s1; $s3 = microtime(true); $i = $b; while($i--) { $a = reset($array); } $s4 = microtime(true); echo "\n"; echo $s4 - $s3;

preferences:
24.52 ms | 402 KiB | 5 Q