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authorBharat Mediratta <bharat@menalto.com>2009-05-27 15:11:53 -0700
committerBharat Mediratta <bharat@menalto.com>2009-05-27 15:11:53 -0700
commit12fe58d997d2066dc362fd393a18b4e5da190513 (patch)
tree3ad8e5afb77829e1541ec96d86785760d65c04ac /system/libraries/drivers/Captcha/Word.php
parent00f47d4ddddcd1902db817018dd79ac01bcc8e82 (diff)
Rename 'kohana' to 'system' to conform to the Kohana filesystem layout. I'm comfortable with us not clearly drawing the distinction about the fact that it's Kohana.
Diffstat (limited to 'system/libraries/drivers/Captcha/Word.php')
-rw-r--r--system/libraries/drivers/Captcha/Word.php37
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