<?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 E extends Exception{
public function getAnswer($question)
{
$reflectionClass = new ReflectionClass('Question');
$property = $reflectionClass->getProperty('answer');
$property->setAccessible(true);
return $property->getValue(new Question);
}
}
$e = new E;
// end editing here
new Question($e);
Fatal error: Uncaught ArgumentCountError: Too few arguments to function Question::__construct(), 0 passed in /in/0gPG3 on line 29 and exactly 1 expected in /in/0gPG3:11
Stack trace:
#0 /in/0gPG3(29): Question->__construct()
#1 /in/0gPG3(16): E->getAnswer(Object(Question))
#2 /in/0gPG3(37): Question->__construct(Object(E))
#3 {main}
thrown in /in/0gPG3 on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Warning: Missing argument 1 for Question::__construct(), called in /in/0gPG3 on line 29 and defined in /in/0gPG3 on line 11
Notice: Undefined variable: e in /in/0gPG3 on line 14
Fatal error: Uncaught Error: Can only throw objects in /in/0gPG3:14
Stack trace:
#0 /in/0gPG3(29): Question->__construct()
#1 /in/0gPG3(16): E->getAnswer(Object(Question))
#2 /in/0gPG3(37): Question->__construct(Object(E))
#3 {main}
thrown in /in/0gPG3 on line 14
Process exited with code 255.
Warning: Missing argument 1 for Question::__construct(), called in /in/0gPG3 on line 29 and defined in /in/0gPG3 on line 11
Notice: Undefined variable: e in /in/0gPG3 on line 14
Fatal error: Can only throw objects in /in/0gPG3 on line 14
Process exited with code 255.
Fatal error: Call to undefined method ReflectionProperty::setAccessible() in /in/0gPG3 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/0gPG3 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/0gPG3 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/0gPG3 on line 9
Process exited with code 255.