From 6eb94f1e1397ae97ed9a0e78d0edc2d04b0915a6 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Mon, 15 Jun 2020 11:58:59 +0300
Subject: better support for image srcset attributes as discussed in
 https://community.tt-rss.org/t/problem-with-img-srcset/3519

---
 include/functions.php | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

(limited to 'include/functions.php')

diff --git a/include/functions.php b/include/functions.php
index 4d54f7e35..16953a0a1 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -1289,19 +1289,13 @@
 			}
 
 			if ($entry->hasAttribute('srcset')) {
-				$tokens = explode(",", $entry->getAttribute('srcset'));
+				$matches = RSSUtils::decode_srcset($entry->getAttribute('srcset'));
 
-				for ($i = 0; $i < count($tokens); $i++) {
-					$token = trim($tokens[$i]);
-
-					list ($url, $width) = explode(" ", $token, 2);
-
-					$url = rewrite_relative_url($rewrite_base_url, $url);
-
-					$tokens[$i] = "$url $width";
+				for ($i = 0; $i < count($matches); $i++) {
+					$matches[$i]["url"] = rewrite_relative_url($rewrite_base_url, $matches[$i]["url"]);
 				}
 
-				$entry->setAttribute("srcset", implode(", ", $tokens));
+				$entry->setAttribute("srcset", RSSUtils::encode_srcset($matches));
 			}
 
 			if ($entry->hasAttribute('src') &&
-- 
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