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<?php class A { protected static $a = 5; public static function foo() { $f = function() { var_dump(__CLASS__); var_dump(@get_called_class()); var_dump($this); var_dump(defined('self')); //var_dump(null === self); var_dump(parent); }; $f(); } } $a = new A; A::foo();
Output for 7.1.0 - 7.1.33, 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 - 8.3.6
string(1) "A" string(1) "A" Fatal error: Uncaught Error: Using $this when not in object context in /in/D24bC:8 Stack trace: #0 /in/D24bC(14): A::{closure}() #1 /in/D24bC(19): A::foo() #2 {main} thrown in /in/D24bC on line 8
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33
string(1) "A" string(1) "A" Notice: Undefined variable: this in /in/D24bC on line 8 NULL bool(false) Notice: Use of undefined constant parent - assumed 'parent' in /in/D24bC on line 11 string(6) "parent"
Output for 5.3.0 - 5.3.29
string(1) "A" bool(false) Notice: Undefined variable: this in /in/D24bC on line 8 NULL bool(false) Notice: Use of undefined constant parent - assumed 'parent' in /in/D24bC on line 11 string(6) "parent"
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/D24bC on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/D24bC on line 5
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/D24bC on line 3
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/D24bC on line 3
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/D24bC on line 3
Process exited with code 255.

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