From 324628c27ca82e89d5e3a85034127835d29dd9fc Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Thu, 4 Feb 2021 19:49:53 +0200
Subject: [ci skip] Add 'img_class' option to CAPTCHA helper

Close #5999
---
 system/helpers/captcha_helper.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'system')

diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index f178903b2..6fce05267 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -69,6 +69,7 @@ if ( ! function_exists('create_captcha'))
 			'img_width'	=> '150',
 			'img_height'	=> '30',
 			'img_alt'	=> 'captcha',
+			'img_class'	=> '',
 			'font_path'	=> '',
 			'font_size'	=> 16,
 			'expiration'	=> 7200,
@@ -372,7 +373,10 @@ if ( ! function_exists('create_captcha'))
 			$img_src = 'data:image/png;base64,'.base64_encode($img_src);
 		}
 
-		$img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_src.'" style="width: '.$img_width.'px; height: '.$img_height .'px; border: 0;" alt="'.$img_alt.'" />';
+		$img_class = trim($img_class);
+		$img_class = (bool) strlen($img_class) ? 'class="'.$img_class.'" ' : '';
+
+		$img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_src.'" style="width: '.$img_width.'px; height: '.$img_height .'px; border: 0;" '.$img_class.'alt="'.$img_alt.'" />';
 		ImageDestroy($im);
 
 		return array('word' => $word, 'time' => $now, 'image' => $img, 'filename' => $img_filename);
-- 
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