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<?php class My_Class { public static $CLASS_CONSTANT = 'test value'; private static function lambda() { echo self::$CLASS_CONSTANT; } public static function my_function() { self::$lambda(); } public function start() { self::my_function(); } } $obj = new My_Class; $obj->start();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $lambda in /in/4b9eE on line 10 Fatal error: Uncaught Error: Method name must be a string in /in/4b9eE:10 Stack trace: #0 /in/4b9eE(14): My_Class::my_function() #1 /in/4b9eE(19): My_Class->start() #2 {main} thrown in /in/4b9eE on line 10
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, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: lambda in /in/4b9eE on line 10 Fatal error: Uncaught Error: Function name must be a string in /in/4b9eE:10 Stack trace: #0 /in/4b9eE(14): My_Class::my_function() #1 /in/4b9eE(19): My_Class->start() #2 {main} thrown in /in/4b9eE on line 10
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Function name must be a string in /in/4b9eE:10 Stack trace: #0 /in/4b9eE(14): My_Class::my_function() #1 /in/4b9eE(19): My_Class->start() #2 {main} thrown in /in/4b9eE on line 10
Process exited with code 255.
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Notice: Undefined variable: lambda in /in/4b9eE on line 10 Fatal error: Function name must be a string in /in/4b9eE on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: lambda in /in/4b9eE on line 10 Fatal error: Function name must be a string in /in/4b9eE on line 10
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/4b9eE 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 T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4b9eE on line 4
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/4b9eE on line 4
Process exited with code 255.

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