3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [[5, 6], [1, 2], [6, 5], [1, 2], [1 => 2, 0 => 1]]; var_export( array_unique( array_map( function ($row) { sort($row); return $row; }, $array ), SORT_REGULAR ) );
Output for git.master_jit, git.master
array ( 0 => array ( 0 => 5, 1 => 6, ), 1 => array ( 0 => 1, 1 => 2, ), )

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
57.6 ms | 845 KiB | 4 Q