3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arraySession = [ 'sampleA' => ['1', '2', '3'], 'sampleB' => ['1', '2', '3'], ]; $arrayPost = [ 'sampleA' => ['1'], 'sampleB' => ['1','2'], ]; var_export( array_reduce( array_keys($arraySession), fn($result, $k) => $result + [$k => array_diff($arraySession[$k], $arrayPost[$k] ?? [])], [] ) );
Output for git.master_jit, git.master
array ( 'sampleA' => array ( 1 => '2', 2 => '3', ), 'sampleB' => array ( 2 => '3', ), )

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:
73.43 ms | 405 KiB | 5 Q