3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait X{ function tryA(A $a){ $this->test($a); } abstract function test(A $a); } trait Y{ function tryB(B $b){ $this->test($b); } abstract function test(B $b); } class LOL{ use X, Y; function test(A $a){} } class A{} class B{} $x = new LOL; $x->tryA(new A); $x->tryB(new B);
Output for 8.5.0 - 8.5.3
Fatal error: Declaration of LOL::test(A $a) must be compatible with Y::test(B $b) in /in/bYkVn on line 23 Stack trace: #0 {main}
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
Fatal error: Declaration of LOL::test(A $a) must be compatible with Y::test(B $b) in /in/bYkVn on line 23
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Fatal error: Declaration of Y::test(B $b) must be compatible with X::test(A $a) in /in/bYkVn on line 16
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of Y::test(B $b) must be compatible with X::test(A $a) in /in/bYkVn on line 20
Process exited with code 255.
Output for 5.4.11 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Declaration of Y::test(B $b) must be compatible with X::test(A $a) in /in/bYkVn on line 24
Process exited with code 255.
Output for 5.4.0 - 5.4.10
Fatal error: Declaration of X::test(A $a) must be compatible with Y::test(B $b) in /in/bYkVn on line 24
Process exited with code 255.
preferences:
96.37 ms | 2328 KiB | 4 Q