3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['id' => 15, 'parent' => 12], ['id' => 10, 'parent' => 12], ['id' => 12, 'parent' => 12], ['id' => 17, 'parent' => 12], ['id' => 21, 'parent' => 15], ['id' => 13, 'parent' => 15], ['id' => 15, 'parent' => 15], ['id' => 25, 'parent' => 15], ['id' => 7, 'parent' => 7], ['id' => 18, 'parent' => 7], ['id' => 4, 'parent' => 7], ['id' => 1, 'parent' => 3], ['id' => 5, 'parent' => 5], ['id' => 2, 'parent' => 7], ]; usort( $array, fn($a, $b) => [$a['parent'], $a['id'] !== $a['parent'], $a['id']] <=> [$b['parent'], $b['id'] !== $b['parent'], $b['id']] ); var_export($array);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => array ( 'id' => 1, 'parent' => 3, ), 1 => array ( 'id' => 5, 'parent' => 5, ), 2 => array ( 'id' => 7, 'parent' => 7, ), 3 => array ( 'id' => 2, 'parent' => 7, ), 4 => array ( 'id' => 4, 'parent' => 7, ), 5 => array ( 'id' => 18, 'parent' => 7, ), 6 => array ( 'id' => 12, 'parent' => 12, ), 7 => array ( 'id' => 10, 'parent' => 12, ), 8 => array ( 'id' => 15, 'parent' => 12, ), 9 => array ( 'id' => 17, 'parent' => 12, ), 10 => array ( 'id' => 15, 'parent' => 15, ), 11 => array ( 'id' => 13, 'parent' => 15, ), 12 => array ( 'id' => 21, 'parent' => 15, ), 13 => array ( 'id' => 25, 'parent' => 15, ), )

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:
30.42 ms | 407 KiB | 5 Q