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<?php class Bar { private $a; public function __construct($a) { $this->a = (bool) $a; } public function a() { return $this->a; } } function foo(callable $x) { $object = new Bar(false); $x($object); return $object->a(); } var_dump(\Closure::bind(function () { $this->a = true;} , 'Bar', 'Bar'));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Closure::bind(): Argument #2 ($newThis) must be of type ?object, string given in /in/gYklr:25 Stack trace: #0 /in/gYklr(25): Closure::bind(Object(Closure), 'Bar', 'Bar') #1 {main} thrown in /in/gYklr on line 25
Process exited with code 255.

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