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<?php class MyClass { public function __construct() { // nothing } } function foo( stdClass $class ) { echo 'Hello, World!'; } $class = new MyClass; foo( $class );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: foo(): Argument #1 ($class) must be of type stdClass, MyClass given, called in /in/iAZEC on line 14 and defined in /in/iAZEC:9 Stack trace: #0 /in/iAZEC(14): foo(Object(MyClass)) #1 {main} thrown in /in/iAZEC on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be an instance of stdClass, instance of MyClass given, called in /in/iAZEC on line 14 and defined in /in/iAZEC:9 Stack trace: #0 /in/iAZEC(14): foo(Object(MyClass)) #1 {main} thrown in /in/iAZEC on line 9
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Catchable fatal error: Argument 1 passed to foo() must be an instance of stdClass, instance of MyClass given, called in /in/iAZEC on line 14 and defined in /in/iAZEC on line 9
Process exited with code 255.

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