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run code in 150+ php & hhvm versions
Bugs & Features
<?hh class Baz extends stdClass { } interface Foo { public function foo(String $foo) : Baz; } class Bar implements Foo { public function foo(String $foo) : stdClass { return new Baz; } } $b = new Bar; var_dump($b->foo("test"));
Output for hhvm-3.10.0 - 3.12.0
object(Baz)#2 (0) { }
Output for 5.3.0 - 5.4.32
<?hh class Baz extends stdClass { } interface Foo { public function foo(String $foo) : Baz; } class Bar implements Foo { public function foo(String $foo) : stdClass { return new Baz; } } $b = new Bar; var_dump($b->foo("test"));