3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php interface A { static function foo($x); } class C implements A { static function foo() {} }
Output for 5.4.0 - 7.2.0
Fatal error: Declaration of C::foo() must be compatible with A::foo($x) in /in/en2bs on line 6
Process exited with code 255.
Output for 5.0.0 - 5.3.29
Fatal error: Declaration of C::foo() must be compatible with that of A::foo() in /in/en2bs on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/en2bs 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/en2bs on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/en2bs on line 2
Process exited with code 255.