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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) { $a->setA('B'); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
coucou Fatal error: Uncaught TypeError: modifyA(): Argument #1 ($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.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
coucou Fatal error: Uncaught TypeError: Argument 1 passed to modifyA() must be an instance of 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.
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
coucou Catchable fatal error: Argument 1 passed to modifyA() must be an instance of A, string given, called in /in/hLkKQ on line 22 and defined in /in/hLkKQ on line 29
Process exited with code 255.

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