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<?php namespace clases; abstract class MyParent{ abstract function name(); } class Foo extends MyParent{ function name(){ return "Foo class"; } } class Bar extends MyParent{ function name(){ return "Bar class"; } } function doSomething(\clases\MyParent $object){ echo 'Good';} $object = new Foo(); doSomething($object); $object2 = new \stdClass(); doSomething($object2);
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
Good Fatal error: Uncaught TypeError: clases\doSomething(): Argument #1 ($object) must be of type clases\MyParent, stdClass given, called in /in/tqV3s on line 17 and defined in /in/tqV3s:9 Stack trace: #0 /in/tqV3s(17): clases\doSomething(Object(stdClass)) #1 {main} thrown in /in/tqV3s on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Good Fatal error: Uncaught TypeError: Argument 1 passed to clases\doSomething() must be an instance of clases\MyParent, instance of stdClass given, called in /in/tqV3s on line 17 and defined in /in/tqV3s:9 Stack trace: #0 /in/tqV3s(17): clases\doSomething(Object(stdClass)) #1 {main} thrown in /in/tqV3s on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28
Good Catchable fatal error: Argument 1 passed to clases\doSomething() must be an instance of clases\MyParent, instance of stdClass given, called in /in/tqV3s on line 17 and defined in /in/tqV3s on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/tqV3s on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/tqV3s on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/tqV3s on line 2
Process exited with code 255.

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