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<?php class Object { } class DifferentObject { } function a(object $a) { } function b(Object $b) { } $o = new Object; $d = new DifferentObject; a($o); a($d); b($o); b($d);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Cannot use 'Object' as class name as it is reserved in /in/HGA11 on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Fatal error: Uncaught TypeError: Argument 1 passed to a() must be an instance of Object, instance of DifferentObject given, called in /in/HGA11 on line 16 and defined in /in/HGA11:7 Stack trace: #0 /in/HGA11(16): a(Object(DifferentObject)) #1 {main} thrown in /in/HGA11 on line 7
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 - 5.6.40
Catchable fatal error: Argument 1 passed to a() must be an instance of Object, instance of DifferentObject given, called in /in/HGA11 on line 16 and defined in /in/HGA11 on line 7
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Argument 1 passed to a() must be an instance of Object, called in /in/HGA11 on line 16 and defined in /in/HGA11 on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Argument 1 must be an instance of Object in /in/HGA11 on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/HGA11 on line 7
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/HGA11 on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/HGA11 on line 7
Process exited with code 255.

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