3v4l.org

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<?php interface Foo { public function bar($baz = null, $tab = null); } class Bar implements Foo { public function bar($baz = null) { } }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of Bar::bar($baz = null) must be compatible with Foo::bar($baz = null, $tab = null) in /in/hcv3L on line 10
Process exited with code 255.

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