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run code in 150+ php & hhvm versions
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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 $question = new Question('test'); class E extends Exception{ public function getAnswer($question) { $reflectionClass = new ReflectionClass('Question'); $property = $reflectionClass->getProperty('answer'); $property->setAccessible(true); return $property->getValue(); } } $e = new E; // end editing here new Question($e);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Can only throw objects in /in/jAE0n:14 Stack trace: #0 /in/jAE0n(23): Question->__construct('test') #1 {main} thrown in /in/jAE0n on line 14
Process exited with code 255.
Output for hhvm-3.12.0 - 3.13.2
Fatal error: Uncaught Error: Exceptions must implement the Throwable interface. in /in/jAE0n:14 Stack trace: #0 /in/jAE0n(23): Question->__construct() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: Exceptions must be valid objects derived from the Exception base class in /in/jAE0n on line 14
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Can only throw objects in /in/jAE0n on line 14
Process exited with code 255.
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/jAE0n 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/jAE0n 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/jAE0n on line 9
Process exited with code 255.