3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = [1, 2, 3]; $bar = [4, 5, 6]; $merged = [...$foo, ...$bar];

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for branch master
Output for branch master_jit
Output for branch partials
Output for branch literals
Output for branch enumerations

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