diff options
Diffstat (limited to 'system/helpers/captcha_helper.php')
| -rw-r--r-- | system/helpers/captcha_helper.php | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 3c1e006f8..a79904c35 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -6,7 +6,7 @@ * * This content is released under the MIT License (MIT) * - * Copyright (c) 2014 - 2016, British Columbia Institute of Technology + * Copyright (c) 2014 - 2017, British Columbia Institute of Technology * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -29,7 +29,7 @@ * @package CodeIgniter * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) - * @copyright Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/) + * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/) * @license http://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 1.0.0 @@ -68,6 +68,7 @@ if ( ! function_exists('create_captcha')) 'img_url' => '', 'img_width' => '150', 'img_height' => '30', + 'img_alt' => 'captcha' 'font_path' => '', 'expiration' => 7200, 'word_length' => 8, @@ -110,7 +111,8 @@ if ( ! function_exists('create_captcha')) $current_dir = @opendir($img_path); while ($filename = @readdir($current_dir)) { - if (substr($filename, -4) === '.jpg' && (str_replace('.jpg', '', $filename) + $expiration) < $now) + if (in_array(substr($filename, -4), array('.jpg', '.png')) + && (str_replace(array('.jpg', '.png'), '', $filename) + $expiration) < $now) { @unlink($img_path.$filename); } @@ -332,7 +334,7 @@ if ( ! function_exists('create_captcha')) return FALSE; } - $img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_url.$img_filename.'" style="width: '.$img_width.'; height: '.$img_height .'; border: 0;" alt=" " />'; + $img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_url.$img_filename.'" style="width: '.$img_width.'; height: '.$img_height .'; border: 0;" alt="'.$img_alt.'" />'; ImageDestroy($im); return array('word' => $word, 'time' => $now, 'image' => $img, 'filename' => $img_filename); |