note 113793 added to language.oop5.interfaces

Implementation must be strict, subtypes are not allowed. "The class implementing the interface must use the EXACT SAME METHOD SIGNATURES as are defined in the interface. Not doing so will result in a fatal error. " <?php interface I { function foo(stdClass $arg); } class Test extends stdClass { } class Implementation implements I { function foo(Test $arg) { } } ?> Result: Fatal error: Declaration of InterfaceImplementation::foo() must be compatible with I::foo(stdClass $arg) in test.php on line XY ---- Server IP: 72.52.91.14 Probable Submitter: 72.52.91.14 ---- Manual Page -- http://php.net/manual/en/language.oop5.interfaces.php Edit -- https://master.php.net/note/edit/113793 Del: integrated -- https://master.php.net/note/delete/113793/integrated Del: useless -- https://master.php.net/note/delete/113793/useless Del: bad code -- https://master.php.net/note/delete/113793/bad+code Del: spam -- https://master.php.net/note/delete/113793/spam Del: non-english -- https://master.php.net/note/delete/113793/non-english Del: in docs -- https://master.php.net/note/delete/113793/in+docs Del: other reasons-- https://master.php.net/note/delete/113793 Reject -- https://master.php.net/note/reject/113793 Search -- https://master.php.net/manage/user-notes.php