Online PHP editor | rfc for r9DH2

@ 2014-06-04T13:29:17Z

<?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

function decode($N,$alphabet,$msg){

  // Initialization

  $M = count($alphabet);
  $decrypt = array();
  $decode = array();

  $encrypted = preg_split("//",$msg, -1, PREG_SPLIT_NO_EMPTY);

  // Compute the decoding map
  $decode[' '] = ' ';
  foreach ($alphabet as $n=>$v){
    $decode[$v] = $alphabet[($M+($n-$N)) % $M];	  	// Compute the decoding map for $v
  }

  foreach ($encrypted as $v){
    $decrypt[] = $decode[$v];
  }

  return join('',$decrypt);
}

 $array = (array) $test;

        reset($array);
        $first_key = key($array);

        print_r($array[$first_key]);

//used this to figure out the count:
// http://rumkin.com/tools/cipher/caesar.php
$key = decode(13,25, $array[$first_key]);


// end editing here

echo $test->run();

Output for git.master, git.master_jit, rfc.property-hooks: Nyy lbhe Onfr ner orybat gb hf. Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, int given in /in/r9DH2:49 Stack trace: #0 /in/r9DH2(77): decode(13, 25, 'Nyy lbhe Onfr n...') #1 {main} thrown in /in/r9DH2 on line 49
Process exited with code 255.

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