3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Base { function f($s) {} } interface I { function f(string $s); } class C extends Base implements I {}
based on OCpLE
Output for 7.0.0 - 7.1.0
Fatal error: Declaration of Base::f($s) must be compatible with I::f(string $s) in /in/7p8fU on line 8
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Declaration of C::f() must be compatible with that of I::f() in /in/7p8fU on line 8
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Declaration of Base::f() must be compatible with I::f(string $s) in /in/7p8fU on line 8
Process exited with code 255.
Output for 5.0.0 - 5.3.29
Fatal error: Declaration of Base::f() must be compatible with that of I::f() in /in/7p8fU on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/7p8fU on line 6
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/7p8fU on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7p8fU on line 6
Process exited with code 255.