<?php
/*
Challenge 1: Modify Test::$secret before it's output.
Rules::
1. No use of Reflection API / runkit extension
2. No stopping execution before Test::run()
3. No Exceptions or PHP errors / warnings notices allowed
Hints:
1. Caesar
2. Magic methods
3. Requires a new feature of PHP 5.4
*/
class Test
{
private $secret = 'Nyy lbhe Onfr ner orybat gb hf.';
private $callback;
final public function run()
{
call_user_func($this->callback);
return $this->secret . PHP_EOL;
}
public function __set($k, $v)
{
$key = $v[($v[$v])]; // $v is some kind of weird array
$value = $v(); // and a callback!
$this->{$key} = $value;
}
}
$test = new Test;
// start editing here
class Solution extends ArrayObject
{
public function __construct($test)
{
$this->test = $test;
}
public function offsetGet($index)
{
return 'callback';
}
public function __invoke()
{
$callback = function() { $this->secret = 'All your Base are belong to us.'; };
return $callback->bindTo($this->test, 'Test');
}
}
$test->foobar = new Solution($test);
// end editing here
echo $test->run();
Deprecated: Return type of Solution::offsetGet($index) should either be compatible with ArrayObject::offsetGet(mixed $key): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Uq069 on line 51
Deprecated: Creation of dynamic property Solution::$test is deprecated in /in/Uq069 on line 49
All your Base are belong to us.
Output for 8.1.0 - 8.1.28
Deprecated: Return type of Solution::offsetGet($index) should either be compatible with ArrayObject::offsetGet(mixed $key): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Uq069 on line 51
All your Base are belong to us.
Fatal error: Call to undefined method Closure::bindTo() in /in/Uq069 on line 58
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/Uq069 on line 57
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/Uq069 on line 57
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/Uq069 on line 21
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/Uq069 on line 21
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/Uq069 on line 21
Process exited with code 255.