3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface MyInterface { function test (B $b); } class A {} class B extends A {} class C implements MyInterface { function test (B $b) {} } class D implements MyInterface { function test (A $a) {} }
Output for 7.0.0 - 7.1.0
Fatal error: Declaration of D::test(A $a) must be compatible with MyInterface::test(B $b) in /in/83PVR on line 15
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Declaration of D::test() must be compatible with MyInterface::test(B $b) in /in/83PVR on line 15
Process exited with code 255.
Output for 5.0.0 - 5.3.29
Fatal error: Declaration of D::test() must be compatible with that of MyInterface::test() in /in/83PVR on line 15
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/83PVR on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/83PVR on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/83PVR on line 3
Process exited with code 255.