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<?php Interface MyCountableInterface { public function count($mode); } class MyCountable implements MyCountableInterface { public function count($myFilterArgument = null) { } } $myCountable = new MyCountable; $myCountable->count(1); count($myCountable); count($myCountable, COUNT_NORMAL); count($myCountable, COUNT_RECURSIVE);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, MyCountable given in /in/pnIBB:17 Stack trace: #0 {main} thrown in /in/pnIBB on line 17
Process exited with code 255.

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