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<?php class Foo {} class Bar {} function takeObject(Object $obj) { var_dump(get_class($obj)); } takeObject(new Foo); takeObject(new Bar); takeObject('not an object');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
string(3) "Foo" string(3) "Bar" Fatal error: Uncaught TypeError: takeObject(): Argument #1 ($obj) must be of type object, string given, called in /in/Svuij on line 12 and defined in /in/Svuij:6 Stack trace: #0 /in/Svuij(12): takeObject('not an object') #1 {main} thrown in /in/Svuij on line 6
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
string(3) "Foo" string(3) "Bar" Fatal error: Uncaught TypeError: Argument 1 passed to takeObject() must be an object, string given, called in /in/Svuij on line 12 and defined in /in/Svuij:6 Stack trace: #0 /in/Svuij(12): takeObject('not an object') #1 {main} thrown in /in/Svuij on line 6
Process exited with code 255.
Output for 7.0.33, 7.1.0 - 7.1.33
Fatal error: Uncaught TypeError: Argument 1 passed to takeObject() must be an instance of Object, instance of Foo given, called in /in/Svuij on line 10 and defined in /in/Svuij:6 Stack trace: #0 /in/Svuij(10): takeObject(Object(Foo)) #1 {main} thrown in /in/Svuij on line 6
Process exited with code 255.
Output for 5.6.38 - 5.6.40
Catchable fatal error: Argument 1 passed to takeObject() must be an instance of Object, instance of Foo given, called in /in/Svuij on line 10 and defined in /in/Svuij on line 6
Process exited with code 255.

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