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<?php trait T { public function foo($foo) { } } interface I { function foo(); } class P { use T; } class C extends P implements I { use T; } $c = new C(); $c->foo(1);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of C::foo($foo) must be compatible with I::foo() in /in/0pY2b on line 5
Process exited with code 255.

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