3v4l.org

run code in 300+ PHP versions simultaneously
<?php $serials = [ [ "foo" => "", "bar" => "" ], [ "foo" => "", "bar" => "" ], [ "foo" => "", "bar" => "" ], [ "foo" => "", "bar" => "" ], [ "foo" => "", "bar" => "" ], [ "foo" => "Don't remove", "bar" => "me!" ] ]; $filteredArray = array_filter ($serials, function ($item) { var_dump(join(array_values($item))); return !empty([]); }); var_dump($filteredArray);
Output for git.master, git.master_jit, rfc.property-hooks
string(0) "" string(0) "" string(0) "" string(0) "" string(0) "" string(15) "Don't removeme!" array(0) { }

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:
31.02 ms | 401 KiB | 8 Q