3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public static function bar() { return 42; } } $x = 'Foo::bar'; echo ( true === is_callable($x) ? 'T' : 'F' ); echo ( 42 == call_user_func($x) ? 'T' : 'F' );
Output for git.master, git.master_jit, rfc.property-hooks
TT

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:
59.78 ms | 401 KiB | 8 Q