3v4l.org

run code in 300+ PHP versions simultaneously
<?php function arity($lambda) { $r = new ReflectionObject($lambda); $m = $r->getMethod('__invoke'); return $m->getNumberOfParameters(); } print arity(function($foo, $bar, $baz) { });
Output for git.master, git.master_jit, rfc.property-hooks
3

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:
52.51 ms | 401 KiB | 8 Q