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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 Answer extends Exception { public function getAnswer($question) { $property = new ReflectionProperty('Question', 'answer'); $property->setAccessible(true); return $property->getValue($question); } } $e = new Answer; // end editing here new Question($e);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
42
Output for 5.2.3 - 5.2.17
Fatal error: Call to undefined method ReflectionProperty::setAccessible() in /in/cvdcC on line 27
Process exited with code 255.
Output for 5.0.0 - 5.2.2
<br /> <b>Fatal error</b>: Call to undefined method ReflectionProperty::setAccessible() in <b>/in/cvdcC</b> on line <b>27</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/cvdcC</b> on line <b>8</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/cvdcC</b> on line <b>8</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/cvdcC</b> on line <b>8</b><br />
Process exited with code 255.