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<?php class Foo { function bar(stdClass $arg=null) { var_dump($arg); } } $foo = new Foo; $foo->bar(new DateTime());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Foo::bar(): Argument #1 ($arg) must be of type ?stdClass, DateTime given, called in /in/mjKMt on line 10 and defined in /in/mjKMt:4 Stack trace: #0 /in/mjKMt(10): Foo->bar(Object(DateTime)) #1 {main} thrown in /in/mjKMt on line 4
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to Foo::bar() must be an instance of stdClass or null, instance of DateTime given, called in /in/mjKMt on line 10 and defined in /in/mjKMt:4 Stack trace: #0 /in/mjKMt(10): Foo->bar(Object(DateTime)) #1 {main} thrown in /in/mjKMt on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Fatal error: Uncaught TypeError: Argument 1 passed to Foo::bar() must be an instance of stdClass, instance of DateTime given, called in /in/mjKMt on line 10 and defined in /in/mjKMt:4 Stack trace: #0 /in/mjKMt(10): Foo->bar(Object(DateTime)) #1 {main} thrown in /in/mjKMt on line 4
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30
Catchable fatal error: Argument 1 passed to Foo::bar() must be an instance of stdClass, instance of DateTime given, called in /in/mjKMt on line 10 and defined in /in/mjKMt on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/mjKMt on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/mjKMt on line 4
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
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/mjKMt on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/mjKMt on line 4
Process exited with code 255.

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