diff options
Diffstat (limited to 'system/libraries/drivers/Captcha/Word.php')
-rw-r--r-- | system/libraries/drivers/Captcha/Word.php | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/system/libraries/drivers/Captcha/Word.php b/system/libraries/drivers/Captcha/Word.php new file mode 100644 index 00000000..856bd9b4 --- /dev/null +++ b/system/libraries/drivers/Captcha/Word.php @@ -0,0 +1,37 @@ +<?php defined('SYSPATH') OR die('No direct access allowed.'); +/** + * Captcha driver for "word" style. + * + * $Id: Word.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_Word_Driver extends Captcha_Basic_Driver { + + /** + * Generates a new Captcha challenge. + * + * @return string the challenge answer + */ + public function generate_challenge() + { + // Load words from the current language and randomize them + $words = Kohana::lang('captcha.words'); + shuffle($words); + + // Loop over each word... + foreach ($words as $word) + { + // ...until we find one of the desired length + if (abs(Captcha::$config['complexity'] - strlen($word)) < 2) + return strtoupper($word); + } + + // Return any random word as final fallback + return strtoupper($words[array_rand($words)]); + } + +} // End Captcha Word Driver Class
\ No newline at end of file |