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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 $q) { $qReflect = new ReflectionClass($q); print_r ($qReflect->getProperties()[0]->info[defaultValue]); return $q->answer; } } $e = new Answer; // end editing here new Question($e);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "defaultValue" in /in/Ufg1m:28 Stack trace: #0 /in/Ufg1m(16): Answer->getAnswer(Object(Question)) #1 /in/Ufg1m(38): Question->__construct(Object(Answer)) #2 {main} thrown in /in/Ufg1m on line 28
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Use of undefined constant defaultValue - assumed 'defaultValue' (this will throw an Error in a future version of PHP) in /in/Ufg1m on line 28 Notice: Undefined property: ReflectionProperty::$info in /in/Ufg1m on line 28 Notice: Trying to access array offset on value of type null in /in/Ufg1m on line 28 Fatal error: Uncaught Error: Cannot access private property Question::$answer in /in/Ufg1m:29 Stack trace: #0 /in/Ufg1m(16): Answer->getAnswer(Object(Question)) #1 /in/Ufg1m(38): Question->__construct(Object(Answer)) #2 {main} thrown in /in/Ufg1m on line 29
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Warning: Use of undefined constant defaultValue - assumed 'defaultValue' (this will throw an Error in a future version of PHP) in /in/Ufg1m on line 28 Fatal error: Uncaught Error: Cannot access private property Question::$answer in /in/Ufg1m:29 Stack trace: #0 /in/Ufg1m(16): Answer->getAnswer(Object(Question)) #1 /in/Ufg1m(38): Question->__construct(Object(Answer)) #2 {main} thrown in /in/Ufg1m on line 29
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Warning: Use of undefined constant defaultValue - assumed 'defaultValue' (this will throw an Error in a future version of PHP) in /in/Ufg1m on line 28 Notice: Undefined property: ReflectionProperty::$info in /in/Ufg1m on line 28 Fatal error: Uncaught Error: Cannot access private property Question::$answer in /in/Ufg1m:29 Stack trace: #0 /in/Ufg1m(16): Answer->getAnswer(Object(Question)) #1 /in/Ufg1m(38): Question->__construct(Object(Answer)) #2 {main} thrown in /in/Ufg1m on line 29
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant defaultValue - assumed 'defaultValue' in /in/Ufg1m on line 28 Notice: Undefined property: ReflectionProperty::$info in /in/Ufg1m on line 28 Fatal error: Uncaught Error: Cannot access private property Question::$answer in /in/Ufg1m:29 Stack trace: #0 /in/Ufg1m(16): Answer->getAnswer(Object(Question)) #1 /in/Ufg1m(38): Question->__construct(Object(Answer)) #2 {main} thrown in /in/Ufg1m on line 29
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Notice: Use of undefined constant defaultValue - assumed 'defaultValue' in /in/Ufg1m on line 28 Notice: Undefined property: ReflectionProperty::$info in /in/Ufg1m on line 28 Fatal error: Cannot access private property Question::$answer in /in/Ufg1m on line 29
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Ufg1m on line 28
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Ufg1m on line 28
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/Ufg1m on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Ufg1m 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/Ufg1m on line 9
Process exited with code 255.

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