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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) { // Closure::bind() actually creates a new instance of the closure $answerTime = Closure::bind($this->getAnswer2(), null, $that); var_dump($answerTime); } public function getAnswer2($that) { return $that->answer; } } $e = new exceptionFun(); // end editing here new Question($e);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: Too few arguments to function exceptionFun::getAnswer2(), 0 passed in /in/XO1nr on line 35 and exactly 1 expected in /in/XO1nr:42 Stack trace: #0 /in/XO1nr(35): exceptionFun->getAnswer2() #1 /in/XO1nr(16): exceptionFun->getAnswer(Object(Question)) #2 /in/XO1nr(58): Question->__construct(Object(exceptionFun)) #3 {main} thrown in /in/XO1nr on line 42
Process exited with code 255.

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