3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array(); var_dump(isset($foo['a'])); var_dump(isset($foo['a']['b'])); var_dump(isset($foo['a']->bar['b'])); var_dump(isset($foo[$bar][$baz])); var_dump(isset($bar['a'])); var_dump(isset($bar['a']['b']));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(false) bool(false) Warning: Undefined variable $bar in /in/CJh5e on line 8 Warning: Undefined variable $baz in /in/CJh5e on line 8 bool(false) bool(false) 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:
36.18 ms | 401 KiB | 8 Q