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<?php class A { public function foo(): Bar { //some ops return $bar; //'Bar' object } } class B extends A { public function foo(): BarX { //some ops return $barX; //'BarX' object } } phpinfo();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Could not check compatibility between B::foo(): BarX and A::foo(): Bar, because class BarX is not available in /in/54VD0 on line 11
Process exited with code 255.

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