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<?php declare(strict_types=1); class Foo { public function getTest($bar = null):? int { if($bar === 'test'){ return 1; } } } $test = new Foo(); var_dump($test->getTest()); var_dump($test->getTest('test'));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Foo::getTest(): Return value must be of type ?int, none returned in /in/o5ufU:10 Stack trace: #0 /in/o5ufU(15): Foo->getTest() #1 {main} thrown in /in/o5ufU on line 10
Process exited with code 255.

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