diff options
Diffstat (limited to 'system/helpers/captcha_helper.php')
| -rw-r--r-- | system/helpers/captcha_helper.php | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index bdbc62097..4676b2a65 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -37,17 +37,17 @@ // ------------------------------------------------------------------------ -/** - * Create CAPTCHA - * - * @param array array of data for the CAPTCHA - * @param string path to create the image in - * @param string URL to the CAPTCHA image folder - * @param string server path to font - * @return string - */ if ( ! function_exists('create_captcha')) { + /** + * Create CAPTCHA + * + * @param array array of data for the CAPTCHA + * @param string path to create the image in + * @param string URL to the CAPTCHA image folder + * @param string server path to font + * @return string + */ function create_captcha($data = '', $img_path = '', $img_url = '', $font_path = '') { $defaults = array('word' => '', 'img_path' => '', 'img_url' => '', 'img_width' => '150', 'img_height' => '30', 'font_path' => '', 'expiration' => 7200); @@ -64,7 +64,7 @@ if ( ! function_exists('create_captcha')) } } - if ($img_path == '' OR $img_url == '' + if ($img_path === '' OR $img_url === '' OR ! @is_dir($img_path) OR ! is_writeable($img_path) OR ! extension_loaded('gd')) { @@ -93,7 +93,7 @@ if ( ! function_exists('create_captcha')) // Do we have a "word" yet? // ----------------------------------- - if ($word == '') + if ($word === '') { $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; $word = ''; @@ -156,7 +156,7 @@ 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; |