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<?php error_reporting(E_ALL|E_STRICT); class Foo {} class Hoge { public function aaa(Foo $foo, $piyo) { var_dump($foo); } } class Bar extends Hoge { public function aaa($foo = null) { parent::aaa($foo, 'aaa'); } } $hoge = new Hoge(); $hoge->aaa(new Foo(), 'aaa'); $bar = new Bar(); $bar->aaa(new Foo());
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of Bar::aaa($foo = null) must be compatible with Hoge::aaa(Foo $foo, $piyo) in /in/0EJ6s on line 17
Process exited with code 255.

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