hide uninteresting errors in several DOMDocument->loadHTML() invocations

3 files changed, 5 insertions, 5 deletions

diff --git a/classes/diskcache.php b/classes/diskcache.php
index 24e45ea8b..6a8aa89c4 100644
--- a/classes/diskcache.php
+++ b/classes/diskcache.php
@@ -286,7 +286,7 @@ class DiskCache {
 		if (!$res) return '';
 
 		$doc = new DOMDocument();
-		if ($doc->loadHTML('<?xml encoding="UTF-8">' . $res)) {
+		if (@$doc->loadHTML('<?xml encoding="UTF-8">' . $res)) {
 			$xpath = new DOMXPath($doc);
 			$cache = new DiskCache("images");
 
diff --git a/classes/feeds.php b/classes/feeds.php
index 2d41be2e1..c1b7e8022 100755
--- a/classes/feeds.php
+++ b/classes/feeds.php
@@ -1930,7 +1930,7 @@ class Feeds extends Handler_Protected {
 		$feedUrls = [];
 
 		$doc = new DOMDocument();
-		if ($doc->loadHTML($content)) {
+		if (@$doc->loadHTML($content)) {
 			$xpath = new DOMXPath($doc);
 			$entries = $xpath->query('/html/head/link[@rel="alternate" and '.
 				'(contains(@type,"rss") or contains(@type,"atom"))]|/html/head/link[@rel="feed"]');
diff --git a/classes/rssutils.php b/classes/rssutils.php
index 2ec24d9be..0e95d4f03 100755
--- a/classes/rssutils.php
+++ b/classes/rssutils.php
@@ -1341,9 +1341,9 @@ class RSSUtils {
 	static function cache_media($html, $site_url) {
 		$cache = new DiskCache("images");
 
-		if ($cache->isWritable()) {
+		if ($html && $cache->isWritable()) {
 			$doc = new DOMDocument();
-			if ($doc->loadHTML($html)) {
+			if (@$doc->loadHTML($html)) {
 				$xpath = new DOMXPath($doc);
 
 				$entries = $xpath->query('(//img[@src]|//source[@src|@srcset]|//video[@poster|@src])');
@@ -1829,7 +1829,7 @@ class RSSUtils {
 		if ($html = @UrlHelper::fetch($url)) {
 
 			$doc = new DOMDocument();
-			if ($doc->loadHTML($html)) {
+			if (@$doc->loadHTML($html)) {
 				$xpath = new DOMXPath($doc);
 
 				$base = $xpath->query('/html/head/base[@href]');