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run code in 150+ php & hhvm versions
Bugs & Features
<?php interface A { function foo(); } abstract class B implements A { abstract public function foo(); } class C extends B { public function foo() { echo 'works'; } } $o = new C(); $o->foo();
Output for 5.3.9 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
works
Output for 5.0.0 - 5.3.8
Fatal error: Can't inherit abstract function A::foo() (previously declared abstract in B) in /in/qePn2 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/qePn2 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/qePn2 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/qePn2 on line 2
Process exited with code 255.