diff --git a/boot.php b/boot.php
index 03a376165..218580a34 100644
--- a/boot.php
+++ b/boot.php
@@ -677,7 +677,7 @@ function check_url(App $a)
 	// and www.example.com vs example.com.
 	// We will only change the url to an ip address if there is no existing setting
 
-	if (empty($url) || (!link_compare($url, System::baseUrl())) && (!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $a->get_hostname))) {
+	if (empty($url) || (!link_compare($url, System::baseUrl())) && (!preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/", $a->get_hostname()))) {
 		Config::set('system', 'url', System::baseUrl());
 	}
 
diff --git a/include/conversation.php b/include/conversation.php
index de7a13626..21b700f2f 100644
--- a/include/conversation.php
+++ b/include/conversation.php
@@ -405,7 +405,7 @@ function visible_activity($item) {
  * that are based on unique features of the calling module.
  *
  */
-function conversation(App $a, $items, $mode, $update, $preview = false, $order = 'commented', $uid = 0) {
+function conversation(App $a, array $items, $mode, $update, $preview = false, $order = 'commented', $uid = 0) {
 	require_once 'mod/proxy.php';
 
 	$ssl_state = ((local_user()) ? true : false);
@@ -768,7 +768,7 @@ function conversation(App $a, $items, $mode, $update, $preview = false, $order =
  *
  * @return array items with parents and comments
  */
-function conversation_add_children($parents, $block_authors, $order, $uid) {
+function conversation_add_children(array $parents, $block_authors, $order, $uid) {
 	$max_comments = Config::get('system', 'max_comments', 100);
 
 	$params = ['order' => ['uid', 'commented' => true]];
diff --git a/include/items.php b/include/items.php
index ab50e159a..e06df925e 100644
--- a/include/items.php
+++ b/include/items.php
@@ -429,9 +429,11 @@ function list_post_dates($uid, $wall) {
 		$start_month = DateTimeFormat::utc($dstart, 'Y-m-d');
 		$end_month = DateTimeFormat::utc($dend, 'Y-m-d');
 		$str = day_translate(DateTimeFormat::utc($dnow, 'F'));
+
 		if (empty($ret[$dyear])) {
 			$ret[$dyear] = [];
 		}
+
 		$ret[$dyear][] = [$str, $end_month, $start_month];
 		$dnow = DateTimeFormat::utc($dnow . ' -1 month', 'Y-m-d');
 	}
diff --git a/mod/network.php b/mod/network.php
index 154332f7d..b2f6b7ba8 100644
--- a/mod/network.php
+++ b/mod/network.php
@@ -596,6 +596,7 @@ function networkThreadedView(App $a, $update, $parent)
 	$sql_extra3 = '';
 	$sql_table = '`thread`';
 	$sql_parent = '`iid`';
+	$sql_order = '';
 
 	if ($update) {
 		$sql_table = '`item`';
diff --git a/src/Model/Profile.php b/src/Model/Profile.php
index 866065ec7..1f09b7cc8 100644
--- a/src/Model/Profile.php
+++ b/src/Model/Profile.php
@@ -24,6 +24,8 @@ use Friendica\Util\Network;
 use Friendica\Util\Temporal;
 use dba;
 
+use InvalidArgumentException;
+
 require_once 'include/dba.php';
 require_once 'mod/proxy.php';
 
@@ -89,7 +91,7 @@ class Profile
 	 * @param array   $profiledata  array
 	 * @param boolean $show_connect Show connect link
 	 */
-	public static function load(App $a, $nickname, $profile = 0, $profiledata = [], $show_connect = true)
+	public static function load(App $a, $nickname, $profile = 0, array $profiledata = [], $show_connect = true)
 	{
 		$user = dba::selectFirst('user', ['uid'], ['nickname' => $nickname, 'account_removed' => false]);
 
@@ -100,11 +102,8 @@ class Profile
 			return;
 		}
 
-		if (empty($a->page['aside'])) {
-			$a->page['aside'] = '';
-		}
-
-		if ($profiledata) {
+		if (count($profiledata) > 0) {
+			// Add profile data to sidebar
 			$a->page['aside'] .= self::sidebar($profiledata, true, $show_connect);
 
 			if (!DBM::is_result($user)) {