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<?php interface i { function foo($a) ; } interface j extends i { function foo($a, $b = 3); } interface k extends j { function foo($a = 4, $b = 3); } interface l extends k { function foo(); }
Output for git.master, git.master_jit
Fatal error: Declaration of l::foo() must be compatible with k::foo($a = 4, $b = 3) in /in/u4p3g on line 16 Stack trace: #0 {main}
Process exited with code 255.

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