3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface A { public function setData(); } class B implements A{ public function setData(User $user) {} } class C implements A{ public function setData(Customer $customer) {} }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of B::setData(User $user) must be compatible with A::setData() in /in/X8mlc on line 8
Process exited with code 255.

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:
34.76 ms | 401 KiB | 8 Q