3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php trait X{ function test(A $a){} function tryA(A $a){ $this->test($a); } } trait Y{ function test(B $b){} function tryB(B $b){ $this->test($b); } } class LOL{ use X, Y{ X::test insteadof Y; } } class A{} class B{} $x = new LOL; $x->tryA(new A); $x->tryB(new B);
based on R8ZKl
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught TypeError: Argument 1 passed to LOL::test() must be an instance of A, instance of B given, called in /in/GhNmN on line 15 and defined in /in/GhNmN:4 Stack trace: #0 /in/GhNmN(15): LOL->test(Object(B)) #1 /in/GhNmN(30): LOL->tryB(Object(B)) #2 {main} thrown in /in/GhNmN on line 4
Process exited with code 255.
Output for 5.4.2 - 5.6.28
Catchable fatal error: Argument 1 passed to LOL::test() must be an instance of A, instance of B given, called in /in/GhNmN on line 15 and defined in /in/GhNmN on line 4
Process exited with code 255.
Output for 5.3.17 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/GhNmN on line 3
Process exited with code 255.