3v4l.org

run code in 500+ PHP versions simultaneously
<?php function foo() {} function bar() {return null;} $x=foo(); $y=bar(); echo gettype($x)."\n"; echo gettype($y)."\n"; echo isset($x)?"true\n":"false\n"; echo isset($y)?"true\n":"false\n"; echo is_null($x)?"true\n":"false\n"; echo is_null($y)?"true\n":"false\n";
Output for rfc.property-hooks, git.master, git.master_jit
NULL NULL false false true true

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:
52.69 ms | 2656 KiB | 4 Q