<?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
$answerTime = Closure::bind($this->getAnswer2, null, $that);
var_dump($answerTime);
}
public function getAnswer2($that)
{
return $that->answer;
}
}
$e = new exceptionFun();
// end editing here
new Question($e);
Warning: Undefined property: exceptionFun::$getAnswer2 in /in/pOMqC on line 35
Fatal error: Uncaught TypeError: Closure::bind(): Argument #1 ($closure) must be of type Closure, null given in /in/pOMqC:35
Stack trace:
#0 /in/pOMqC(35): Closure::bind(NULL, NULL, Object(Question))
#1 /in/pOMqC(16): exceptionFun->getAnswer(Object(Question))
#2 /in/pOMqC(58): Question->__construct(Object(exceptionFun))
#3 {main}
thrown in /in/pOMqC on line 35
Process exited with code 255.
Notice: Undefined property: exceptionFun::$getAnswer2 in /in/pOMqC on line 35
Warning: Closure::bind() expects parameter 1 to be Closure, null given in /in/pOMqC on line 35
NULL
Output for 7.3.32 - 7.3.33
Warning: Closure::bind() expects parameter 1 to be Closure, null given in /in/pOMqC on line 35
NULL
Output for 5.3.0 - 5.3.29
Fatal error: Call to undefined method Closure::bind() in /in/pOMqC on line 35
Process exited with code 255.
Fatal error: Class 'Closure' not found in /in/pOMqC 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/pOMqC on line 9
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/pOMqC 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/pOMqC on line 9
Process exited with code 255.