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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 $that; public function getAnswer($that) { /* $this->that = $that; $answerTime = Closure::bind($this->getPrivate(), null, $that); var_dump($answerTime); */ //$this->that = $that; $answerTime = Closure::bind(function () { return $this->$this->answer; }, $that, $that); var_dump($answerTime); } public function getPrivate() { $that = $this->that; return $that->answer; } } $e = new exceptionFun(); // end editing here new Question($e);
Output for git.master, git.master_jit, rfc.property-hooks
object(Closure)#4 (1) { ["this"]=> object(Question)#2 (1) { ["answer":"Question":private]=> int(42) } }

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