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<?php /* Challenge 3: Use reflection to get access to Question::$answer from $e->getAnswer */ class Question { private $answer = 42; public function __construct($e) { try { throw $e; } catch (Exception $e) { echo $e->getAnswer($this) . PHP_EOL; } } } // start editing here class exceptionFun extends Exception { public function getAnswer($that) { $cl1 = static function() { return Question::$answer; }; //$getTheAnswer = Closure::bind($this->getPrivate(),$that); $getTheAnswer = Closure::bind($cl1, null, $that); $result = $getTheAnswer($that); return $result; } public function getPrivate($that) { return $that->answer; } } $e = new exceptionFun(); // end editing here new Question($e);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Access to undeclared static property: Question::$answer in /in/28JJd:31 Stack trace: #0 /in/28JJd(38): Question::{closure}(Object(Question)) #1 /in/28JJd(16): exceptionFun->getAnswer(Object(Question)) #2 /in/28JJd(56): Question->__construct(Object(exceptionFun)) #3 {main} thrown in /in/28JJd on line 31
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Access to undeclared static property: Question::$answer in /in/28JJd on line 31
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_FUNCTION, expecting T_PAAMAYIM_NEKUDOTAYIM in /in/28JJd on line 29
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC in /in/28JJd on line 29
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC in /in/28JJd on line 29
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/28JJd on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/28JJd on line 9
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/28JJd on line 9
Process exited with code 255.