3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a[0][0] = 5; $a[1][1] = 3; $a[2][2] = 6; $a[3][3] = 2; $a[4][4] = 4; asort($a); print_r($a); ?>

preferences:
28.46 ms | 402 KiB | 5 Q