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<?php class Test { public static function foo(self $bar){} } class Test2 { public static function foo(self $bar){} } $t = new Test(); $t2 = new Test2(); $t::foo($t2);
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: Test::foo(): Argument #1 ($bar) must be of type Test, Test2 given, called in /in/1FiaP on line 15 and defined in /in/1FiaP:5 Stack trace: #0 /in/1FiaP(15): Test::foo(Object(Test2)) #1 {main} thrown in /in/1FiaP on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 Test::foo() must be an instance of Test, instance of Test2 given, called in /in/1FiaP on line 15 and defined in /in/1FiaP:5 Stack trace: #0 /in/1FiaP(15): Test::foo(Object(Test2)) #1 {main} thrown in /in/1FiaP on line 5
Process exited with code 255.
Output for 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 Test::foo() must be an instance of Test, instance of Test2 given, called in /in/1FiaP on line 15 and defined in /in/1FiaP on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/1FiaP on line 15
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/1FiaP on line 15
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/1FiaP on line 5
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 T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/1FiaP on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/1FiaP on line 5
Process exited with code 255.

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