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<?php class Shirt extends Sweater { public function test() { return "Shirt"; } } class Sweater extends Shirt { public function test() { return "Sweater"; } } $shirt = new Shirt(); output_shirt($shirt); function output_shirt(Sweater $shirt) { echo $shirt->test(); }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Class "Sweater" not found in /in/cdXca:3 Stack trace: #0 {main} thrown in /in/cdXca on line 3
Process exited with code 255.

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