summaryrefslogtreecommitdiff
path: root/system/libraries/drivers/Captcha/Math.php
diff options
context:
space:
mode:
Diffstat (limited to 'system/libraries/drivers/Captcha/Math.php')
-rw-r--r--system/libraries/drivers/Captcha/Math.php61
1 files changed, 0 insertions, 61 deletions
diff --git a/system/libraries/drivers/Captcha/Math.php b/system/libraries/drivers/Captcha/Math.php
deleted file mode 100644
index 4ac20248..00000000
--- a/system/libraries/drivers/Captcha/Math.php
+++ /dev/null
@@ -1,61 +0,0 @@
-<?php defined('SYSPATH') OR die('No direct access allowed.');
-/**
- * Captcha driver for "math" style.
- *
- * $Id: Math.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_Math_Driver extends Captcha_Driver {
-
- private $math_exercice;
-
- /**
- * Generates a new Captcha challenge.
- *
- * @return string the challenge answer
- */
- public function generate_challenge()
- {
- // Easy
- if (Captcha::$config['complexity'] < 4)
- {
- $numbers[] = mt_rand(1, 5);
- $numbers[] = mt_rand(1, 4);
- }
- // Normal
- elseif (Captcha::$config['complexity'] < 7)
- {
- $numbers[] = mt_rand(10, 20);
- $numbers[] = mt_rand(1, 10);
- }
- // Difficult, well, not really ;)
- else
- {
- $numbers[] = mt_rand(100, 200);
- $numbers[] = mt_rand(10, 20);
- $numbers[] = mt_rand(1, 10);
- }
-
- // Store the question for output
- $this->math_exercice = implode(' + ', $numbers).' = ';
-
- // Return the answer
- return array_sum($numbers);
- }
-
- /**
- * Outputs the Captcha riddle.
- *
- * @param boolean html output
- * @return mixed
- */
- public function render($html)
- {
- return $this->math_exercice;
- }
-
-} // End Captcha Math Driver Class \ No newline at end of file