3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static function foo() {} } class B extends A { public static function foo($thisIsBorken) {} }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Declaration of B::foo($thisIsBorken) must be compatible with A::foo() in /in/rkOmF on line 8
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of B::foo($thisIsBorken) should be compatible with A::foo() in /in/rkOmF on line 8
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Warning: Declaration of B::foo($thisIsBorken) should be compatible with A::foo() in /in/rkOmF on line 9
Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.28
Strict Standards: Declaration of B::foo() should be compatible with A::foo() in /in/rkOmF on line 9
preferences:
185.12 ms | 402 KiB | 267 Q