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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 E extends Exception { public function getAnswer($answer) { $class = new ReflectionClass($answer); $p = $class->getProperty('answer'); $p->setAccessible(true); var_dump($p->getValue()); } } $e = new E; // end editing here new Question($e);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: ReflectionProperty::getValue(): Argument #1 ($object) must be provided for instance properties in /in/rjDaA:28 Stack trace: #0 /in/rjDaA(28): ReflectionProperty->getValue() #1 /in/rjDaA(16): E->getAnswer(Object(Question)) #2 /in/rjDaA(36): Question->__construct(Object(E)) #3 {main} thrown in /in/rjDaA on line 28
Process exited with code 255.

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