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<?php class ParentClass { protected static function getValue() { return 'Parent class'; } public static function staticVariable() { echo static::getClass(), PHP_EOL; } public static function selfVariable() { echo self::getClass(), PHP_EOL; } } class ChildClass extends ParentClass { protected static function getValue() { return 'Child class'; } public static function staticVariable() { echo static::getClass(), PHP_EOL; } public static function selfVariable() { echo self::getClass(), PHP_EOL; } } ParentClass::staticVariable(); ChildClass::staticVariable(); ParentClass::selfVariable(); ChildClass::selfVariable();
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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Call to undefined method ParentClass::getClass() in /in/m1lWt:14 Stack trace: #0 /in/m1lWt(42): ParentClass::staticVariable() #1 {main} thrown in /in/m1lWt on line 14
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
Fatal error: Call to undefined method ParentClass::getClass() in /in/m1lWt on line 14
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_STATIC in /in/m1lWt on line 14
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC in /in/m1lWt on line 14
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/m1lWt 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 T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/m1lWt on line 7
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/m1lWt on line 7
Process exited with code 255.

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