3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['baz' => 7]; $b = (string) $a['foo'] ?? 'bar'; $c = (string) $a['baz'] ?? 'some thing else'; $d = (string) ($a['foo'] ?? 'bar'); var_dump($b, $c, $d);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "foo" in /in/WogF7 on line 6 string(0) "" string(1) "7" string(3) "bar"

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:
119.73 ms | 405 KiB | 5 Q