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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); var_dump($class->getProperty('answer')); } } $e = new E; // end editing here new Question($e);
Output for 5.0.2 - 5.6.28, 7.0.0 - 7.1.0
object(ReflectionProperty)#4 (2) { ["name"]=> string(6) "answer" ["class"]=> string(8) "Question" }
Output for hhvm-3.10.0 - 3.12.0
object(ReflectionProperty)#5 (4) { ["info"]=> array(9) { ["name"]=> string(6) "answer" ["default"]=> bool(true) ["defaultValue"]=> int(42) ["access"]=> string(7) "private" ["accessible"]=> bool(false) ["modifiers"]=> int(1024) ["class"]=> string(8) "Question" ["doc"]=> bool(false) ["type"]=> bool(false) } ["name"]=> string(6) "answer" ["class"]=> string(8) "Question" ["forceAccessible":"ReflectionProperty":private]=> bool(false) }
Output for 5.0.0 - 5.0.1
object(ReflectionProperty)#4 (2) { ["name"]=> string(6) "answer" ["class"]=> string(8) "Question" } Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/MYcsK on line 16 PHP_EOL
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/MYcsK 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/MYcsK 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/MYcsK on line 9
Process exited with code 255.