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