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<?php interface foo { function bar(what $x); } class what implements foo { function bar(what $x, $y) { } }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of what::bar(what $x, $y) must be compatible with foo::bar(what $x) in /in/iLebG on line 8
Process exited with code 255.

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