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run code in 150+ php & hhvm versions
Bugs & Features
<?php interface Action { public function sayHello($string); } interface AddAction extends Action { public function sayHello($string, $test=null); } class Add implements AddAction { public function sayHello($string, $test=null) { echo $string, PHP_EOL; } } $x = new Add(); $x->sayHello("hi");
Output for 5.3.9 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
hi
Output for 5.3.0 - 5.3.8
Fatal error: Can't inherit abstract function Action::sayHello() (previously declared abstract in AddAction) in /in/jifaX on line 9
Process exited with code 255.
Output for 5.0.0 - 5.2.17
Fatal error: Can't inherit abstract function Action::sayHello() (previously declared abstract in AddAction) in /in/jifaX 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/jifaX 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/jifaX on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/jifaX on line 3
Process exited with code 255.