diff --git a/src/Model/GServer.php b/src/Model/GServer.php
index 11d3227e8..758ff0f13 100644
--- a/src/Model/GServer.php
+++ b/src/Model/GServer.php
@@ -869,7 +869,7 @@ class GServer
 		}
 
 		// Sanitize incoming data, see https://github.com/friendica/friendica/issues/8565
-		$data['subscribe'] = (bool)$data['subscribe'] ?? false;
+		$data['subscribe'] = (bool)($data['subscribe'] ?? false);
 
 		if (!$data['subscribe'] || empty($data['scope']) || !in_array(strtolower($data['scope']), ['all', 'tags'])) {
 			$data['scope'] = '';
diff --git a/src/Module/Hashtag.php b/src/Module/Hashtag.php
index dd0c94d8f..0c4c41c7e 100644
--- a/src/Module/Hashtag.php
+++ b/src/Module/Hashtag.php
@@ -31,23 +31,25 @@ use Friendica\Util\Strings;
  */
 class Hashtag extends BaseModule
 {
-	protected function content(array $request = []): string
+	protected function rawContent(array $request = [])
 	{
 		$result = [];
 
-		$t = Strings::escapeHtml($_REQUEST['t']);
-		if (empty($t)) {
+		if (empty($request['t'])) {
 			System::jsonExit($result);
 		}
 
-		$taglist = DBA::select('tag', ['name'], ["`name` LIKE ?", $t . "%"], ['order' => ['name'], 'limit' => 100]);
+		$taglist = DBA::select(
+			'tag',
+			['name'],
+			["`name` LIKE ?", Strings::escapeHtml($request['t']) . "%"],
+			['order' => ['name'], 'limit' => 100]
+		);
 		while ($tag = DBA::fetch($taglist)) {
 			$result[] = ['text' => $tag['name']];
 		}
 		DBA::close($taglist);
 
 		System::jsonExit($result);
-
-		return '';
 	}
 }
diff --git a/src/Protocol/Feed.php b/src/Protocol/Feed.php
index 6d6d3f676..d4eeae61e 100644
--- a/src/Protocol/Feed.php
+++ b/src/Protocol/Feed.php
@@ -103,7 +103,7 @@ class Feed
 		$xpath->registerNamespace('poco', ActivityNamespace::POCO);
 
 		$author = [];
-		$atomns = '';
+		$atomns = 'atom';
 		$entries = null;
 		$protocol = Conversation::PARCEL_UNKNOWN;
 
@@ -128,13 +128,12 @@ class Feed
 		// Is it Atom?
 		if ($xpath->query('/atom:feed')->length > 0) {
 			$protocol = Conversation::PARCEL_ATOM;
-			$atomns = 'atom';
 		} elseif ($xpath->query('/atom03:feed')->length > 0) {
 			$protocol = Conversation::PARCEL_ATOM03;
 			$atomns = 'atom03';
 		}
 
-		if (!empty($atomns)) {
+		if (in_array($protocol, [Conversation::PARCEL_ATOM, Conversation::PARCEL_ATOM03])) {
 			$alternate = XML::getFirstAttributes($xpath, $atomns . ":link[@rel='alternate']");
 			if (is_object($alternate)) {
 				foreach ($alternate as $attribute) {
@@ -336,7 +335,7 @@ class Feed
 						case 'text':
 							$body = $attribute->nodeValue;
 							break;
-	
+
 						case 'htmlUrl':
 							$plink = $attribute->nodeValue;
 							break;
@@ -344,7 +343,7 @@ class Feed
 						case 'xmlUrl':
 							$uri = $attribute->nodeValue;
 							break;
-	
+
 						case 'type':
 							$isrss = $attribute->nodeValue == 'rss';
 							break;
@@ -507,7 +506,7 @@ class Feed
 							$attachment['type'] = Post\Media::DOCUMENT;
 						}
 						$attachments[] = $attachment;
-					}				
+					}
 				}
 			}