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<?php defined('SYSPATH') OR die('No direct access allowed.');
/**
* Captcha driver for "riddle" style.
*
* $Id: Riddle.php 3769 2008-12-15 00:48:56Z zombor $
*
* @package Captcha
* @author Kohana Team
* @copyright (c) 2007-2008 Kohana Team
* @license http://kohanaphp.com/license.html
*/
class Captcha_Riddle_Driver extends Captcha_Driver {
private $riddle;
/**
* Generates a new Captcha challenge.
*
* @return string the challenge answer
*/
public function generate_challenge()
{
// Load riddles from the current language
$riddles = Kohana::lang('captcha.riddles');
// Pick a random riddle
$riddle = $riddles[array_rand($riddles)];
// Store the question for output
$this->riddle = $riddle[0];
// Return the answer
return $riddle[1];
}
/**
* Outputs the Captcha riddle.
*
* @param boolean html output
* @return mixed
*/
public function render($html)
{
return $this->riddle;
}
} // End Captcha Riddle Driver Class
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