diff --git a/leistungsschutzrecht/leistungsschutzrecht.php b/leistungsschutzrecht/leistungsschutzrecht.php
index 6cfe95fe..e608409b 100644
--- a/leistungsschutzrecht/leistungsschutzrecht.php
+++ b/leistungsschutzrecht/leistungsschutzrecht.php
@@ -142,6 +142,10 @@ function leistungsschutzrecht_is_member_site($url) {
 		return false;
 	}
 
+	if (count($hostname) <= 2) {
+		return false;
+	}
+
 	$site = $hostname[sizeof($hostname) - 2].".".$hostname[sizeof($hostname) - 1];
 
 	return (isset($sites[$site]));
diff --git a/pumpio/pumpio.php b/pumpio/pumpio.php
index 0f516aae..5c28a8f4 100644
--- a/pumpio/pumpio.php
+++ b/pumpio/pumpio.php
@@ -1125,6 +1125,8 @@ function pumpio_dopost(&$a, $client, $uid, $self, $post, $own_id, $threadcomplet
 		$receiptians = array_merge($receiptians, $post->to);
 	}
 
+	$public = false;
+
 	foreach ($receiptians AS $receiver) {
 		if (is_string($receiver->objectType) && ($receiver->id == "http://activityschema.org/collection/public")) {
 			$public = true;
diff --git a/tumblr/tumblr.php b/tumblr/tumblr.php
index b2dec5b5..9617a3a0 100644
--- a/tumblr/tumblr.php
+++ b/tumblr/tumblr.php
@@ -412,7 +412,7 @@ function tumblr_send(&$a,&$b) {
 			$params['caption'] = '<h1>'.$title."</h1>".
 						"<p>".$params['caption']."</p>";
 
-		if (trim($params['caption']) == "")
+		if (empty($params['caption']))
 			$params['caption'] = BBCode::convert("[quote]" . $siteinfo["description"] . "[/quote]", false, 4);
 
 		$consumer_key = Config::get('tumblr','consumer_key');