1. PHP / Говнокод #15477

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    class Key{
	private $chars = array('1'=>'a','2'=>'b','3'=>'c','4'=>'d','5'=>'e','6'=>'f','7'=>'g','8'=>'h','9'=>'i');
	private $invChars = array('9'=>'a','8'=>'b','7'=>'c','6'=>'d','5'=>'e','4'=>'f','3'=>'g','2'=>'h','1'=>'i');
	private $key = "";
	private $numbers = array();

	public function createKey(){
		for($a=0;$a<4;$a++){
			$this->numbers[0] = rand(1, 9);
			$this->numbers[1] = rand(1, 9);
			$this->key .= $this->numbers[0].$this->invChars[$this->numbers[1]].$this->numbers[1].$this->chars[$this->numbers[0]]."-";
		}
		return substr_replace($this->key, '', 19, 1);
	}

	public function checkKey($key){
		if(preg_match("/^([1-9][a-iA-I][1-9][a-iA-I][\-][1-9][a-iA-I][1-9][a-iA-I][\-][1-9][a-iA-I][1-9][a-iA-I][\-][1-9][a-iA-I][1-9][a-iA-I])$/", $key)){
			$key = str_replace('-', '', $key);
			if($this->chars[$key[0]] == $key[3] && $this->invChars[$key[2]] == $key[1]){
				if($this->chars[$key[4]] == $key[7] && $this->invChars[$key[6]] == $key[5]){
					if($this->chars[$key[8]] == $key[11] && $this->invChars[$key[10]] == $key[9]){
						if($this->chars[$key[12]] == $key[15] && $this->invChars[$key[14]] == $key[13]){
							return true;
						}
						else{
							return false;
						}
					}
					else{
						return false;
					}
				}
				else{
					return false;
				}
			}
			else{
				return false;
			}
		}
		else{
			return false;
		}
	}
}

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    Запостил: makssof, 14 Марта 2014

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