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run code in 150+ php & hhvm versions
Bugs & Features
<?php interface FooInterface { public function dump(self $baz); } class Foo implements FooInterface { public function dump(self $baz) { var_dump($baz); } } class Bar extends Foo { public function dump(Foo $baz) { parent::dump($baz); }}
based on Ndu7E
Output for 7.0.0 - 7.1.0
Fatal error: Declaration of Foo::dump(Foo $baz) must be compatible with FooInterface::dump(FooInterface $baz) in /in/FC8Dm on line 9
Process exited with code 255.
Output for hhvm-3.12.0 - 3.13.2
Fatal error: Uncaught Error: Declaration of Foo::dump() must be compatible with that of FooInterface::dump() in /in/FC8Dm:9 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: Declaration of Foo::dump() must be compatible with that of FooInterface::dump() in /in/FC8Dm on line 9
Process exited with code 255.
Output for 5.4.1 - 5.6.28
Fatal error: Declaration of Foo::dump() must be compatible with FooInterface::dump(FooInterface $baz) in /in/FC8Dm on line 10
Process exited with code 255.
Output for 5.4.0
Fatal error: Declaration of Bar::dump() must be compatible with FooInterface::dump(self $baz) in /in/FC8Dm on line 17
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Fatal error: Declaration of Bar::dump() must be compatible with that of FooInterface::dump() in /in/FC8Dm on line 17
Process exited with code 255.
Output for 5.0.0 - 5.2.17
Fatal error: Declaration of Bar::dump() must be compatible with that of FooInterface::dump() in /in/FC8Dm on line 16
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/FC8Dm on line 4
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/FC8Dm on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/FC8Dm on line 4
Process exited with code 255.