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authorAndrey Andreev <narf@bofh.bg>2012-10-05 21:45:41 +0200
committerAndrey Andreev <narf@bofh.bg>2012-10-05 21:45:41 +0200
commit5b5021812ea6dc859312e00b6b0f078eea54c88d (patch)
tree0a8840ee0429cc405cb597438a73d03bca970c1a /system/helpers/captcha_helper.php
parent49d08053257b55db511eaca08b8ab5d12149f3b6 (diff)
parentdbad54e09a39a77c7404dee9ca1a6b34299469d0 (diff)
Merge upstream branch
Diffstat (limited to 'system/helpers/captcha_helper.php')
-rw-r--r--system/helpers/captcha_helper.php12
1 files changed, 5 insertions, 7 deletions
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index b11670658..3aac14db8 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -32,7 +32,7 @@
* @subpackage Helpers
* @category Helpers
* @author EllisLab Dev Team
- * @link http://codeigniter.com/user_guide/helpers/xml_helper.html
+ * @link http://codeigniter.com/user_guide/helpers/captcha_helper.html
*/
// ------------------------------------------------------------------------
@@ -64,7 +64,7 @@ if ( ! function_exists('create_captcha'))
}
}
- if ($img_path == '' OR $img_url == ''
+ if ($img_path === '' OR $img_url === ''
OR ! @is_dir($img_path) OR ! is_writeable($img_path)
OR ! extension_loaded('gd'))
{
@@ -80,8 +80,7 @@ if ( ! function_exists('create_captcha'))
$current_dir = @opendir($img_path);
while ($filename = @readdir($current_dir))
{
- if ($filename !== '.' && $filename !== '..' && $filename !== 'index.html'
- && (str_replace('.jpg', '', $filename) + $expiration) < $now)
+ if (substr($filename, -4) === '.jpg' && (str_replace('.jpg', '', $filename) + $expiration) < $now)
{
@unlink($img_path.$filename);
}
@@ -93,7 +92,7 @@ if ( ! function_exists('create_captcha'))
// Do we have a "word" yet?
// -----------------------------------
- if ($word == '')
+ if ($word === '')
{
$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$word = '';
@@ -156,7 +155,7 @@ if ( ! function_exists('create_captcha'))
// Write the text
// -----------------------------------
- $use_font = ($font_path != '' && file_exists($font_path) && function_exists('imagettftext'));
+ $use_font = ($font_path !== '' && file_exists($font_path) && function_exists('imagettftext'));
if ($use_font === FALSE)
{
$font_size = 5;
@@ -186,7 +185,6 @@ if ( ! function_exists('create_captcha'))
}
}
-
// Create the border
imagerectangle($im, 0, 0, $img_width - 1, $img_height - 1, $border_color);