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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 exceptionFun extends Exception { public function getAnswer($that) { // Closure::bind() actually creates a new instance of the closure $sweetsThief = Closure::bind($this->sweetsThief(), null, $that); var_dump($this->sweetsThief($that)); } public function sweetsThief($that) { return $that->answer; } } $e = new exceptionFun(); // end editing here new Question($e);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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 ArgumentCountError: Too few arguments to function exceptionFun::sweetsThief(), 0 passed in /in/Ymkm3 on line 35 and exactly 1 expected in /in/Ymkm3:42 Stack trace: #0 /in/Ymkm3(35): exceptionFun->sweetsThief() #1 /in/Ymkm3(16): exceptionFun->getAnswer(Object(Question)) #2 /in/Ymkm3(58): Question->__construct(Object(exceptionFun)) #3 {main} thrown in /in/Ymkm3 on line 42
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Warning: Missing argument 1 for exceptionFun::sweetsThief(), called in /in/Ymkm3 on line 35 and defined in /in/Ymkm3 on line 42 Notice: Undefined variable: that in /in/Ymkm3 on line 44 Notice: Trying to get property of non-object in /in/Ymkm3 on line 44 Warning: Closure::bind() expects parameter 1 to be Closure, null given in /in/Ymkm3 on line 35 Fatal error: Uncaught Error: Cannot access private property Question::$answer in /in/Ymkm3:44 Stack trace: #0 /in/Ymkm3(37): exceptionFun->sweetsThief(Object(Question)) #1 /in/Ymkm3(16): exceptionFun->getAnswer(Object(Question)) #2 /in/Ymkm3(58): Question->__construct(Object(exceptionFun)) #3 {main} thrown in /in/Ymkm3 on line 44
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Warning: Missing argument 1 for exceptionFun::sweetsThief(), called in /in/Ymkm3 on line 35 and defined in /in/Ymkm3 on line 42 Notice: Undefined variable: that in /in/Ymkm3 on line 44 Notice: Trying to get property of non-object in /in/Ymkm3 on line 44 Warning: Closure::bind() expects parameter 1 to be Closure, null given in /in/Ymkm3 on line 35 Fatal error: Cannot access private property Question::$answer in /in/Ymkm3 on line 44
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Fatal error: Call to undefined method Closure::bind() in /in/Ymkm3 on line 35
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Class 'Closure' not found in /in/Ymkm3 on line 35
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/Ymkm3 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/Ymkm3 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/Ymkm3 on line 9
Process exited with code 255.
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