3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface A { public function a($x); } interface B { public function a($x, $y); } class AB implements A, B { public function a($x) {} }
Output for 7.0.0 - 7.1.0
Fatal error: Declaration of AB::a($x) must be compatible with B::a($x, $y) in /in/HTnGs on line 10
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Declaration of AB::a() must be compatible with B::a($x, $y) in /in/HTnGs on line 10
Process exited with code 255.
Output for 5.3.9 - 5.3.29
Fatal error: Declaration of AB::a() must be compatible with that of B::a() in /in/HTnGs on line 10
Process exited with code 255.
Output for 5.0.0 - 5.3.8
Fatal error: Can't inherit abstract function B::a() (previously declared abstract in A) in /in/HTnGs on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/HTnGs on line 2
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/HTnGs on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/HTnGs on line 2
Process exited with code 255.