3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface A {} class B implements A {} class C extends B {} class D extends B implements A {} $bRef = new ReflectionClass('B'); $cRef = new ReflectionClass('C'); $dRef = new ReflectionClass('D'); echo 'B implements A: '.($bRef->implementsInterface('A') ? 'yes' : 'no').PHP_EOL; echo 'C implements A: '.($cRef->implementsInterface('A') ? 'yes' : 'no').PHP_EOL; echo 'D implements A: '.($dRef->implementsInterface('A') ? 'yes' : 'no').PHP_EOL; echo 'B subclass of A: '.($bRef->isSubclassOf('A') ? 'yes' : 'no').PHP_EOL; echo 'C subclass of A: '.($cRef->isSubclassOf('A') ? 'yes' : 'no').PHP_EOL; echo 'D subclass of A: '.($dRef->isSubclassOf('A') ? 'yes' : 'no').PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
B implements A: yes C implements A: yes D implements A: yes B subclass of A: yes C subclass of A: yes D subclass of A: yes

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:
40.73 ms | 401 KiB | 8 Q