3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); $foo = array('bar' => array('baz' => 5)); $bar = array('box' => 'baz'); var_dump(isset($foo['bar'][$bar['boom']]));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "boom" in /in/srm5f on line 5 bool(false)

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:
124.87 ms | 405 KiB | 5 Q