3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function foo(array $bar) { } } class B extends A { public function foo(array $bar, string $baz) { } }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Declaration of B::foo(array $bar, string $baz) must be compatible with A::foo(array $bar) in /in/GjSHs on line 9
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of B::foo(array $bar, string $baz) should be compatible with A::foo(array $bar) in /in/GjSHs on line 9
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(array $bar, string $baz) should be compatible with A::foo(array $bar) in /in/GjSHs on line 10
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Strict Standards: Declaration of B::foo() should be compatible with A::foo(array $bar) in /in/GjSHs on line 10
preferences:
178.65 ms | 402 KiB | 228 Q