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<?php declare(strict=1); class Test { } class A { public function abc(): Test { return null; } } $b = new A; print_r([ $b->abc() ]);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Unsupported declare 'strict' in /in/OSW0E on line 2 Fatal error: Uncaught TypeError: A::abc(): Return value must be of type Test, null returned in /in/OSW0E:10 Stack trace: #0 /in/OSW0E(17): A->abc() #1 {main} thrown in /in/OSW0E on line 10
Process exited with code 255.

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