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run code in 200+ php & hhvm versions
Bugs & Features
<?php interface A { public function foo($a); } class B implements A { public function foo(A $a) {} }
based on mDQ74
Output for 7.0.0 - 7.2.0
Fatal error: Declaration of B::foo(A $a) must be compatible with A::foo($a) in /in/dpEX2 on line 4
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Declaration of B::foo() must be compatible with A::foo($a) in /in/dpEX2 on line 4
Process exited with code 255.