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<?php class A { private $a; public function getA() { return $this->a; } public function setA($a) { $this->a = $a; } } $b = 'b'; $a = new A(); $a->setA("coucou"); echo $a->getA(); modifyA($b); echo $a->getA(); function modifyA(A $a) { $a->setA('B'); }
Output for git.master, git.master_jit, rfc.property-hooks
coucou Fatal error: Uncaught TypeError: modifyA(): Argument #1 ($a) must be of type A, string given, called in /in/hLkKQ on line 22 and defined in /in/hLkKQ:29 Stack trace: #0 /in/hLkKQ(22): modifyA('b') #1 {main} thrown in /in/hLkKQ on line 29
Process exited with code 255.

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