3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Tag {}; $setTags = []; function setTags(array $tags, &$setTags) { array_map( function (Tag $tag) { $setTags[] = $tag; }, $tags ); } var_dump($setTags); setTags( [ new Tag(), new Tag(), new Tag(), new Tag(), ], $setTags ); var_dump($setTags);
Output for git.master, git.master_jit, rfc.property-hooks
array(0) { } 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:
79.14 ms | 401 KiB | 8 Q