3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface A { public function foo(array $a); } class B implements A { public function foo($a) {} }
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.23
Fatal error: Declaration of B::foo($a) must be compatible with A::foo(array $a) in /in/jmoFf on line 4
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Fatal error: Declaration of B::foo() must be compatible with A::foo(array $a) in /in/jmoFf on line 4
Process exited with code 255.
preferences:
192.58 ms | 402 KiB | 332 Q