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<?php class otherClass { public static function f1 () { echo "\n"; echo "\n".__CLASS__; echo "\n".__FUNCTION__; childClass::f2(); childClass::f3(); } } class parentClass { public $val = "pC"; public static function f2 () { echo "\n"; echo "\n".__CLASS__; echo "\n".__FUNCTION__; return self::f4(); } public static function f3 () { echo "\n"; echo "\n".__CLASS__; echo "\n".__FUNCTION__; return static::f4(); } public static function f4 () { echo "\n"; echo "\n".__CLASS__; echo "\n".__FUNCTION__; echo "\n val-self: ".self::$val; echo "\n val-static: ".static::$val; } } class childClass extends parentClass { public $val = "cC"; public static function f4 () { echo "\n"; echo "\n".__CLASS__; echo "\n".__FUNCTION__; echo "\n val-self: ".self::$val; echo "\n val-static: ".static::$val; } } otherClass::f1();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
otherClass f1 parentClass f2 parentClass f4 Fatal error: Uncaught Error: Access to undeclared static property parentClass::$val in /in/17vI2:39 Stack trace: #0 /in/17vI2(24): parentClass::f4() #1 /in/17vI2(9): parentClass::f2() #2 /in/17vI2(59): otherClass::f1() #3 {main} thrown in /in/17vI2 on line 39
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
otherClass f1 parentClass f2 parentClass f4 Fatal error: Uncaught Error: Access to undeclared static property: parentClass::$val in /in/17vI2:39 Stack trace: #0 /in/17vI2(24): parentClass::f4() #1 /in/17vI2(9): parentClass::f2() #2 /in/17vI2(59): otherClass::f1() #3 {main} thrown in /in/17vI2 on line 39
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
otherClass f1 parentClass f2 parentClass f4 Fatal error: Access to undeclared static property: parentClass::$val in /in/17vI2 on line 39
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/17vI2 on line 32
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC in /in/17vI2 on line 32
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/17vI2 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/17vI2 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/17vI2 on line 4
Process exited with code 255.

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