diff --git a/cld/cld.php b/cld/cld.php
index 5ca4c932..83361e2b 100644
--- a/cld/cld.php
+++ b/cld/cld.php
@@ -22,6 +22,16 @@ function cld_detect_languages(array &$data)
 		return;
 	}
 
+	if (!class_exists('CLD2Detector')) {
+		Logger::warning('CLD2Detector class does not exist.');
+		return;
+	}
+
+	if (!class_exists('CLD2Encoding')) {
+		Logger::warning('CLD2Encoding class does not exist.');
+		return;
+	}
+
 	$cld2 = new \CLD2Detector();
 
 	$cld2->setEncodingHint(CLD2Encoding::UTF8); // optional, hints about text encoding
diff --git a/convert/UnitConvertor.php b/convert/UnitConvertor.php
index d7933a8f..a3650e9b 100644
--- a/convert/UnitConvertor.php
+++ b/convert/UnitConvertor.php
@@ -169,7 +169,6 @@ class UnitConvertor
 	* @param    string    name of the source unit from which to convert
     * @param    string    name of the target unit to which we are converting
     * @param    integer   double precision of the end result
-    * @return   void
     * @access   public
     */
 	function convert($value, $from_unit, $to_unit, $precision)
@@ -280,4 +279,4 @@ class UnitConvertor
 	} // end func getConvSpecs
 	
 } // end class UnitConvertor
-?>
\ No newline at end of file
+?>
diff --git a/convert/convert.php b/convert/convert.php
index 57ce6ea8..2c97e2aa 100644
--- a/convert/convert.php
+++ b/convert/convert.php
@@ -6,7 +6,6 @@
  * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 
 function convert_install() {
@@ -26,7 +25,7 @@ function convert_content() {
 	// @TODO Let's one day rewrite this to a modern composer package
 	include 'UnitConvertor.php';
 
-	class TP_Converter extends UnitConvertor
+	$conv = new class('en') extends UnitConvertor
 	{
 		public function __construct(string $lang = 'en')
 		{
@@ -43,7 +42,7 @@ function convert_content() {
 
 		private function findBaseUnit($from, $to)
 		{
-			while (list($skey, $sval) = each($this->bases)) {
+			foreach ($this->bases as $skey => $sval) {
 				if ($skey == $from || $to == $skey || in_array($to, $sval) || in_array($from, $sval)) {
 					return $skey;
 				}
@@ -63,7 +62,7 @@ function convert_content() {
 				$cells[] = $cell;
 
 				// We now have the base unit and value now lets produce the table;
-				while (list($key, $val) = each($this->bases[$base_unit])) {
+				foreach ($this->bases[$base_unit] as $val) {
 					$cell ['value'] = $this->convert($value, $from_unit, $val, $precision) . ' ' . $val;
 					$cell ['class']	= ($val == $from_unit || $val == $to_unit) ? 'framedred' : '';
 					$cells[] = $cell;
@@ -86,9 +85,7 @@ function convert_content() {
 
 			return $string;
 		}
-	}
-
-	$conv = new TP_Converter('en');
+	};
 
 	$conversions = [
 		'Temperature' => ['base'  => 'Celsius',
@@ -176,10 +173,10 @@ function convert_content() {
 		]
 	];
 
-	while (list($key, $val) = each($conversions)) {
+	foreach ($conversions as $key => $val) {
 		$conv->addConversion($val['base'], $val['conv']);
 		$list[$key][] = $val['base'];
-		while (list($ukey, $uval) = each($val['conv'])) {
+		foreach ($val['conv'] as $ukey => $uval) {
 			$list[$key][] = $ukey;
 		}
 	}
@@ -202,10 +199,9 @@ function convert_content() {
 	$o .= '<input name="value" type="text" id="value" value="' . $value . '" size="10" maxlength="10" />';
 	$o .= '<select name="from_unit" size="12">';
 
-	reset($list);
-	while(list($key, $val) = each($list)) {
+	foreach ($list as $key => $val) {
 		$o .=  "\n\t<optgroup label=\"$key\">";
-		while(list($ukey, $uval) = each($val)) {
+		foreach ($val as $ukey => $uval) {
 			$selected = (($uval == $_POST['from_unit']) ? ' selected="selected" ' : '');
 			$o .=  "\n\t\t<option value=\"$uval\" $selected >$uval</option>";
 		}
diff --git a/diaspora/diasphp.php b/diaspora/diasphp.php
index 1588b582..266b9899 100644
--- a/diaspora/diasphp.php
+++ b/diaspora/diasphp.php
@@ -9,6 +9,8 @@ use Friendica\Core\System;
 
 class Diasphp {
 	private $cookiejar;
+	private $token_regex;
+	private $pod;
 
 	function __construct($pod) {
 		$this->token_regex = '/content="(.*?)" name="csrf-token/';
diff --git a/libravatar/Services/Libravatar.php b/libravatar/Services/Libravatar.php
index 18aa5c90..70fcfe39 100644
--- a/libravatar/Services/Libravatar.php
+++ b/libravatar/Services/Libravatar.php
@@ -217,7 +217,7 @@ class Services_Libravatar
      *
      * @param array $options Array of options for getUrl()
      *
-     * @return void
+     * @return array
      * @throws Exception When an invalid option is used
      */
     protected function checkOptionsArray($options)
@@ -462,6 +462,8 @@ class Services_Libravatar
                 return $v['target'];
             }
         }
+
+        return '';
     }
 
     /**
diff --git a/mailstream/mailstream.php b/mailstream/mailstream.php
index ae57c4dd..9910a63d 100644
--- a/mailstream/mailstream.php
+++ b/mailstream/mailstream.php
@@ -378,7 +378,7 @@ function mailstream_send(string $message_id, array $item, array $user): bool
 	if (!$address) {
 		$address = $user['email'];
 	}
-	$mail = new PHPmailer();
+	$mail = new PHPMailer();
 	try {
 		$mail->XMailer = 'Friendica Mailstream Addon';
 		$mail->SetFrom($frommail, mailstream_sender($item));
diff --git a/mailstream/phpmailer/class.phpmailer.php b/mailstream/phpmailer/class.phpmailer.php
index ab7fe030..ff3d81e3 100644
--- a/mailstream/phpmailer/class.phpmailer.php
+++ b/mailstream/phpmailer/class.phpmailer.php
@@ -1519,6 +1519,7 @@ class PHPMailer
     public function getSMTPInstance()
     {
         if (!is_object($this->smtp)) {
+            /** @phpstan-ignore-next-line file class.smtp.php does not exist */
             $this->smtp = new SMTP;
         }
         return $this->smtp;
@@ -2690,10 +2691,10 @@ class PHPMailer
             if (!is_readable($path)) {
                 throw new phpmailerException($this->lang('file_open') . $path, self::STOP_CONTINUE);
             }
-            $magic_quotes = get_magic_quotes_runtime();
+            $magic_quotes = false;
             if ($magic_quotes) {
                 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
-                    set_magic_quotes_runtime(false);
+                    //set_magic_quotes_runtime(false);
                 } else {
                     //Doesn't exist in PHP 5.4, but we don't need to check because
                     //get_magic_quotes_runtime always returns false in 5.4+
@@ -2705,7 +2706,7 @@ class PHPMailer
             $file_buffer = $this->encodeString($file_buffer, $encoding);
             if ($magic_quotes) {
                 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
-                    set_magic_quotes_runtime($magic_quotes);
+                    //set_magic_quotes_runtime($magic_quotes);
                 } else {
                     ini_set('magic_quotes_runtime', $magic_quotes);
                 }
diff --git a/pnut/lib/phpnut.php b/pnut/lib/phpnut.php
index 303a860b..5794d795 100644
--- a/pnut/lib/phpnut.php
+++ b/pnut/lib/phpnut.php
@@ -2,6 +2,8 @@
 
 namespace phpnut;
 
+use CURLFile;
+
 /**
  * phpnut.php
  * pnut.io PHP library
@@ -99,6 +101,10 @@ class phpnut
     // if processing stream_markers or any fast stream, decrease $sleepFor
     public $streamingSleepFor = 20000;
 
+    private $_clientId;
+
+    private $_clientSecret;
+
     /**
      * Constructs an phpnut PHP object with the specified client ID and
      * client secret.
@@ -162,7 +168,7 @@ class phpnut
      * from the user. If you don't specify anything, you'll only receive
      * access to the user's basic profile (the default).
      */
-    public function getAuthUrl(?string $callback_uri=null, array|string|null $scope=null): string
+    public function getAuthUrl(?string $callback_uri=null, array $scope=null): string
     {
         if (empty($this->_clientId)) {
             throw new phpnutException('You must specify your pnut client ID');
@@ -256,8 +262,10 @@ class phpnut
     /**
      * Check the scope of current token to see if it has required scopes
      * has to be done after a check
+     *
+     * @return int|array
      */
-    public function checkScopes(array $app_scopes): int|array
+    public function checkScopes(array $app_scopes)
     {
         if (count($this->_scopes) === 0) {
             return -1; // _scope is empty
@@ -303,7 +311,7 @@ class phpnut
     {
         return $this->httpReq('delete', "{$this->_baseUrl}token");
     }
-    
+
     /**
      * Retrieve an app access token from the app.net API. This allows you
      * to access the API without going through the user access flow if you
@@ -314,7 +322,7 @@ class phpnut
      * @return string The app access token
      */
     public function getAppAccessToken()
-    {    
+    {
         if (empty($this->_clientId) || empty($this->_clientSecret)) {
             throw new phpnutException('You must specify your Pnut client ID and client secret');
         }
@@ -450,8 +458,10 @@ class phpnut
     /**
      * Internal function to handle all
      * HTTP requests (POST,PUT,GET,DELETE)
+     *
+     * @param string|array $params
      */
-    protected function httpReq(string $act, string $req, string|array $params=[], string $contentType='application/x-www-form-urlencoded')
+    protected function httpReq(string $act, string $req, $params = [], string $contentType='application/x-www-form-urlencoded')
     {
         $ch = curl_init($req);
         $headers = [];
@@ -520,7 +530,7 @@ class phpnut
                     } else {
                         throw new phpnutException($response['error']);
                     }
-                } 
+                }
 
                 // look for response migration errors
                 elseif (isset($response['meta'], $response['meta']['error_message'])) {
@@ -588,7 +598,7 @@ class phpnut
     {
         return $this->_last_request;
     }
-    
+
     public function getLastResponse()
     {
         return $this->_last_response;
@@ -752,7 +762,7 @@ class phpnut
      * Retrieve the Posts that are 'in reply to' a specific Post.
      * @param integer $post_id The ID of the post you want to retrieve replies for.
      * @param array $params An associative array of optional general parameters.
-     * @return An array of associative arrays, each representing a single post.
+     * @return array An array of associative arrays, each representing a single post.
      */
     public function getPostThread(int $post_id, array $params=[])
     {
@@ -767,7 +777,7 @@ class phpnut
      * Retrieve revisions of a post. Currently only one can be created.
      * @param integer $post_id The ID of the post you want to retrieve previous revisions of.
      * @param array $params An associative array of optional general parameters.
-     * @return An array of associative arrays, each representing a single post.
+     * @return array An array of associative arrays, each representing a single post.
      */
     public function getPostRevisions(int $post_id, array $params=[])
     {
@@ -781,13 +791,13 @@ class phpnut
     /**
      * Get the most recent Posts created by a specific User in reverse
      * chronological order (most recent first).
-     * @param mixed $user_id Either the ID of the user you wish to retrieve posts by,
+     * @param string|int $user_id $user_id Either the ID of the user you wish to retrieve posts by,
      * or the string "me", which will retrieve posts for the user you're authenticated
      * as.
      * @param array $params An associative array of optional general parameters.
-     * @return An array of associative arrays, each representing a single post.
+     * @return array An array of associative arrays, each representing a single post.
      */
-    public function getUserPosts(string|int $user_id='me', array $params=[])
+    public function getUserPosts($user_id = 'me', array $params=[])
     {
         return $this->httpReq(
             'get',
@@ -799,13 +809,13 @@ class phpnut
     /**
      * Get the most recent Posts mentioning by a specific User in reverse
      * chronological order (newest first).
-     * @param mixed $user_id Either the ID of the user who is being mentioned, or
+     * @param string|int $user_id Either the ID of the user who is being mentioned, or
      * the string "me", which will retrieve posts for the user you're authenticated
      * as.
      * @param array $params An associative array of optional general parameters.
-     * @return An array of associative arrays, each representing a single post.
+     * @return array An array of associative arrays, each representing a single post.
      */
-    public function getUserMentions(string|int $user_id='me', array $params=[])
+    public function getUserMentions($user_id='me', array $params=[])
     {
         return $this->httpReq(
             'get',
@@ -817,7 +827,7 @@ class phpnut
     /**
      * Get the currently authenticated user's recent messages
      * @param array $params An associative array of optional general parameters.
-     * @return An array of associative arrays, each representing a single post.
+     * @return array An array of associative arrays, each representing a single post.
      */
     public function getUserMessages(array $params=[])
     {
@@ -832,7 +842,7 @@ class phpnut
      * Return the 20 most recent posts from the current User and
      * the Users they follow.
      * @param array $params An associative array of optional general parameters.
-     * @return An array of associative arrays, each representing a single post.
+     * @return array An array of associative arrays, each representing a single post.
      */
     public function getUserStream(array $params=[])
     {
@@ -847,7 +857,7 @@ class phpnut
      * Retrieve a list of all public Posts on pnut.io, often referred to as the
      * global stream.
      * @param array $params An associative array of optional general parameters.
-     * @return An array of associative arrays, each representing a single post.
+     * @return array An array of associative arrays, each representing a single post.
      */
     public function getPublicPosts(array $params=[])
     {
@@ -860,7 +870,7 @@ class phpnut
 
     /**
      * Retrieve a list of "explore" streams
-     * @return An array of associative arrays, each representing a single explore stream.
+     * @return array An array of associative arrays, each representing a single explore stream.
      */
     public function getPostExploreStreams()
     {
@@ -874,7 +884,7 @@ class phpnut
      * Retrieve a list of posts from an "explore" stream on pnut.io.
      * @param  string $slug [<description>]
      * @param array $params An associative array of optional general parameters.
-     * @return An array of associative arrays, each representing a single post.
+     * @return array An array of associative arrays, each representing a single post.
      */
     public function getPostExploreStream(string $slug, array $params=[])
     {
@@ -916,10 +926,11 @@ class phpnut
     * are:    count, before_id, since_id, include_muted, include_deleted,
     * and include_post_raw.
     * See https://github.com/phpnut/api-spec/blob/master/resources/posts.md#general-parameters
+    * @param string|int $user_id
     * @return array An array of associative arrays, each representing a single
     * user who has bookmarked a post
     */
-    public function getBookmarked(string|int $user_id='me', array $params=[])
+    public function getBookmarked($user_id='me', array $params=[])
     {
         return $this->httpReq(
             'get',
@@ -967,7 +978,7 @@ class phpnut
     /**
      * Repost an existing Post object.
      * @param integer $post_id The id of the post
-     * @return the reposted post
+     * @return mixed the reposted post
      */
     public function repost(int $post_id)
     {
@@ -980,7 +991,7 @@ class phpnut
     /**
      * Delete a post that the user has reposted.
      * @param integer $post_id The id of the post
-     * @return the un-reposted post
+     * @return mixed the un-reposted post
      */
     public function deleteRepost(int $post_id)
     {
@@ -997,7 +1008,7 @@ class phpnut
      * This will likely change as the API evolves, as of this writing allowed keys
      * are: count, before_id, since_id, include_muted, include_deleted,
      * include_directed_posts, and include_raw.
-     * @return An array of associative arrays, each representing a single post.
+     * @return array An array of associative arrays, each representing a single post.
      */
     public function searchHashtags(string $hashtag, array $params=[])
     {
@@ -1044,7 +1055,7 @@ class phpnut
      * This will likely change as the API evolves, as of this writing allowed keys
      * are: count, before_id, since_id, include_muted, include_deleted,
      * and include_post_raw.
-     * @return An array of associative arrays, each representing a single post.
+     * @return array An array of associative arrays, each representing a single post.
      */
     public function getUserPersonalStream(array $params=[])
     {
@@ -1063,7 +1074,7 @@ class phpnut
             );
         }
     }
-    
+
     /**
     * Return the 20 most recent Posts from the current User's personalized stream
     * and mentions stream merged into one stream.
@@ -1071,7 +1082,7 @@ class phpnut
     * This will likely change as the API evolves, as of this writing allowed keys
     * are: count, before_id, since_id, include_muted, include_deleted,
     * include_directed_posts, and include_raw.
-    * @return An array of associative arrays, each representing a single post.
+    * @return array An array of associative arrays, each representing a single post.
     */
     public function getUserUnifiedStream(array $params=[])
     {
@@ -1096,14 +1107,14 @@ class phpnut
 
     /**
      * Returns a specific user object.
-     * @param mixed $user_id The ID of the user you want to retrieve, or the string "@-username", or the string
+     * @param string|int $user_id The ID of the user you want to retrieve, or the string "@-username", or the string
      * "me" to retrieve data for the users you're currently authenticated as.
      * @param array $params An associative array of optional general parameters.
      * This will likely change as the API evolves, as of this writing allowed keys
      * are: include_raw|include_user_raw.
      * @return array An associative array representing the user data.
      */
-    public function getUser(string|int $user_id='me', array $params=[])
+    public function getUser($user_id='me', array $params=[])
     {
         return $this->httpReq(
             'get',
@@ -1131,10 +1142,10 @@ class phpnut
     /**
      * Add the specified user ID to the list of users followed.
      * Returns the User object of the user being followed.
-     * @param integer $user_id The user ID of the user to follow.
+     * @param string|int $user_id The user ID of the user to follow.
      * @return array An associative array representing the user you just followed.
      */
-    public function followUser(string|int $user_id)
+    public function followUser($user_id)
     {
         return $this->httpReq(
             'put',
@@ -1145,10 +1156,10 @@ class phpnut
     /**
      * Removes the specified user ID to the list of users followed.
      * Returns the User object of the user being unfollowed.
-     * @param integer $user_id The user ID of the user to unfollow.
+     * @param string|int $user_id The user ID of the user to unfollow.
      * @return array An associative array representing the user you just unfollowed.
      */
-    public function unfollowUser(string|int $user_id)
+    public function unfollowUser($user_id)
     {
         return $this->httpReq(
             'delete',
@@ -1158,13 +1169,13 @@ class phpnut
 
     /**
      * Returns an array of User objects the specified user is following.
-     * @param mixed $user_id Either the ID of the user being followed, or
+     * @param string|int $user_id Either the ID of the user being followed, or
      * the string "me", which will retrieve posts for the user you're authenticated
      * as.
      * @return array An array of associative arrays, each representing a single
      * user following $user_id
      */
-    public function getFollowing(string|int $user_id='me', array $params=[])
+    public function getFollowing($user_id='me', array $params=[])
     {
         return $this->httpReq(
             'get',
@@ -1172,31 +1183,31 @@ class phpnut
                 . $this->buildQueryString($params)
         );
     }
-    
+
     /**
      * Returns an array of User ids the specified user is following.
-     * @param mixed $user_id Either the ID of the user being followed, or
+     * @param string|int $user_id Either the ID of the user being followed, or
      * the string "me", which will retrieve posts for the user you're authenticated
      * as.
      * @return array user ids the specified user is following.
      */
-    public function getFollowingIDs(string|int $user_id='me')
+    public function getFollowingIDs($user_id='me')
     {
         return $this->httpReq(
             'get',
             "{$this->_baseUrl}users/{$user_id}/following?include_user=0"
         );
     }
-    
+
     /**
      * Returns an array of User objects for users following the specified user.
-     * @param mixed $user_id Either the ID of the user being followed, or
+     * @param string|int $user_id Either the ID of the user being followed, or
      * the string "me", which will retrieve posts for the user you're authenticated
      * as.
      * @return array An array of associative arrays, each representing a single
      * user following $user_id
      */
-    public function getFollowers(string|int $user_id='me', array $params=[])
+    public function getFollowers($user_id='me', array $params=[])
     {
         return $this->httpReq(
             'get',
@@ -1204,15 +1215,15 @@ class phpnut
                 . $this->buildQueryString($params)
         );
     }
-    
+
     /**
      * Returns an array of User ids for users following the specified user.
-     * @param mixed $user_id Either the ID of the user being followed, or
+     * @param string|int $user_id Either the ID of the user being followed, or
      * the string "me", which will retrieve posts for the user you're authenticated
      * as.
      * @return array user ids for users following the specified user
      */
-    public function getFollowersIDs(string|int $user_id='me')
+    public function getFollowersIDs($user_id='me')
     {
         return $this->httpReq(
             'get',
@@ -1236,9 +1247,9 @@ class phpnut
 
     /**
      * Mute a user
-     * @param integer $user_id The user ID to mute
+     * @param string|int $user_id The user ID to mute
      */
-    public function muteUser(string|int $user_id)
+    public function muteUser($user_id)
     {
          return $this->httpReq(
             'put',
@@ -1248,9 +1259,9 @@ class phpnut
 
     /**
      * Unmute a user
-     * @param integer $user_id The user ID to unmute
+     * @param string|int $user_id The user ID to unmute
      */
-    public function unmuteUser(string|int $user_id)
+    public function unmuteUser($user_id)
     {
         return $this->httpReq(
             'delete',
@@ -1288,7 +1299,7 @@ class phpnut
      * @param string $search The search query. Supports @username or #tag searches as
      * well as normal search terms. Searches username, display name, bio information.
      * Does not search posts.
-     * @return array An array of associative arrays, each representing one user.
+     * @return array|false An array of associative arrays, each representing one user.
      */
     public function searchUsers(array $params=[], string $query='')
     {
@@ -1333,7 +1344,7 @@ class phpnut
             $mimeType = $test['mime'];
         }
         $data = [
-            $which => new CurlFile($image, $mimeType)
+            $which => new CURLFile($image, $mimeType)
         ];
         return $this->httpReq(
             'post-raw',
@@ -1445,10 +1456,10 @@ class phpnut
 
     /**
      * get an existing private message channel between multiple users
-     * @param mixed $users Can be a comma- or space-separated string, or an array.
+     * @param string|array $users Can be a comma- or space-separated string, or an array.
      * Usernames with @-symbol, or user ids.
      */
-    public function getExistingPM(string|array $users, array $params=[])
+    public function getExistingPM($users, array $params=[])
     {
         if (is_string($users)) {
             $users = explode(',', str_replace(' ', ',', $users));
@@ -1561,7 +1572,7 @@ class phpnut
 
     /**
      * Retrieve a list of "explore" streams
-     * @return An array of associative arrays, each representing a single explore stream.
+     * @return array An array of associative arrays, each representing a single explore stream.
      */
     public function getChannelExploreStreams()
     {
@@ -1575,7 +1586,7 @@ class phpnut
      * Retrieve a list of channels from an "explore" stream on pnut.io.
      * @param  string $slug [<description>]
      * @param array $params An associative array of optional general parameters.
-     * @return An array of associative arrays, each representing a single channel.
+     * @return array An array of associative arrays, each representing a single channel.
      */
     public function getChannelExploreStream(string $slug, array $params=[])
     {
@@ -1585,7 +1596,7 @@ class phpnut
                 . $this->buildQueryString($params)
         );
     }
-    
+
     /**
      * mark channel inactive
      */
@@ -1685,11 +1696,11 @@ class phpnut
 
     /**
      * create message
-     * @param $channelid numeric or "pm" for auto-channel (type=io.pnut.core.pm)
+     * @param string|int $channelid numeric or "pm" for auto-channel (type=io.pnut.core.pm)
      * @param array $data array('text'=>'YOUR_MESSAGE') If a type=io.pnut.core.pm, then "destinations" key can be set to address as an array of people to send this PM too
      * @param array $params query parameters
      */
-    public function createMessage(string|int $channelid, array $data, array $params=[])
+    public function createMessage($channelid, array $data, array $params=[])
     {
         if (isset($data['destinations'])) {
             if (is_string($data['destinations'])) {
@@ -1802,16 +1813,16 @@ class phpnut
     public function createFile($file, array $data, array $params=[])
     {
         if (!$file) {
-            throw new PhpnutException('You must specify a path to a file');
+            throw new phpnutException('You must specify a path to a file');
         }
         if (!file_exists($file)) {
-            throw new PhpnutException('File path specified does not exist');
+            throw new phpnutException('File path specified does not exist');
         }
         if (!is_readable($file)) {
-            throw new PhpnutException('File path specified is not readable');
+            throw new phpnutException('File path specified is not readable');
         }
         if (!array_key_exists('type', $data) || !$data['type']) {
-            throw new PhpnutException('Type is required when creating a file');
+            throw new phpnutException('Type is required when creating a file');
         }
         if (!array_key_exists('name', $data)) {
             $data['name'] = basename($file);
@@ -1823,7 +1834,7 @@ class phpnut
             $mimeType = null;
         }
         if (!array_key_exists('kind', $data)) {
-            $test = @getimagesize($path);
+            $test = @getimagesize($file);
             if ($test && array_key_exists('mime', $test)) {
                 $data['kind'] = 'image';
                 if (!$mimeType) {
@@ -1840,7 +1851,7 @@ class phpnut
             finfo_close($finfo);
         }
         if (!$mimeType) {
-            throw new PhpnutException('Unable to determine mime type of file, try specifying it explicitly');
+            throw new phpnutException('Unable to determine mime type of file, try specifying it explicitly');
         }
         $data['content'] = new \CurlFile($file, $mimeType);
         return $this->httpReq(
@@ -2001,7 +2012,7 @@ class phpnut
         $json = json_encode($data);
         return $this->httpReq(
             'post',
-            $this->_baseUrl.'polls?'.$this->buildQueryString($params), 
+            $this->_baseUrl.'polls?'.$this->buildQueryString($params),
             $json,
             'application/json'
         );
@@ -2019,7 +2030,7 @@ class phpnut
         return $this->httpReq(
             'put',
             $this->_baseUrl.'polls/'.urlencode($poll_id).'/response?'.$this->buildQueryString($params),
-            $json, 
+            $json,
             'application/json'
         );
     }
@@ -2118,7 +2129,7 @@ class phpnut
             $params
         );
     }
-    
+
     /**
      * Get User Information
      */
@@ -2129,7 +2140,7 @@ class phpnut
             "{$this->_baseUrl}token"
         );
     }
-    
+
     /**
      * Get Application Authorized User IDs
      */
@@ -2147,7 +2158,7 @@ class phpnut
             $params
         );
     }
-    
+
     /**
      * Get Application Authorized User Tokens
      */
@@ -2181,7 +2192,7 @@ class phpnut
     {
         $this->_streamCallback = $function;
     }
-    
+
     /**
      * Opens a stream that's been created for this user/app and starts sending
      * events/objects to your defined callback functions. You must define at
@@ -2231,7 +2242,7 @@ class phpnut
         );
         return true;
     }
-    
+
     /**
      * Close the currently open stream.
      * @return true;
@@ -2251,7 +2262,7 @@ class phpnut
         $this->_currentStream = null;
         $this->_multiStream = null;
     }
-    
+
     /**
      * Retrieve all streams for the current access token.
      * @return array An array of stream definitions.
@@ -2263,7 +2274,7 @@ class phpnut
             "{$this->_baseUrl}streams"
         );
     }
-    
+
     /**
      * Returns a single stream specified by a stream ID. The stream must have been
      * created with the current access token.
@@ -2276,7 +2287,7 @@ class phpnut
             $this->_baseUrl.'streams/'.urlencode($streamId)
         );
     }
-    
+
     /**
      * Creates a stream for the current app access token.
      *
@@ -2307,7 +2318,7 @@ class phpnut
         );
         return $response;
     }
-    
+
     /**
      * Update stream for the current app access token
      *
@@ -2338,7 +2349,7 @@ class phpnut
         );
         return $response;
     }
-     
+
     /**
      * Deletes a stream if you no longer need it.
      *
@@ -2352,7 +2363,7 @@ class phpnut
             $this->_baseUrl.'streams/'.urlencode($streamId)
         );
     }
-    
+
     /**
      * Deletes all streams created by the current access token.
      */
@@ -2363,7 +2374,7 @@ class phpnut
             "{$this->_baseUrl}streams"
         );
     }
-    
+
     /**
      * Internal function used to process incoming chunks from the stream. This is only
      * public because it needs to be accessed by CURL. Do not call or use this function
@@ -2394,7 +2405,7 @@ class phpnut
         }
         return strlen($data);
     }
-    
+
     /**
      * Opens a long lived HTTP connection to the pnut.io servers, and sends data
      * received to the httpStreamReceive function. As a general rule you should not
@@ -2426,7 +2437,7 @@ class phpnut
         $this->_lastStreamActivity = time();
         curl_multi_add_handle($this->_multiStream, $this->_currentStream);
     }
-    
+
     public function reconnectStream(): void
     {
         $this->closeStream();
@@ -2442,7 +2453,7 @@ class phpnut
         }
         $this->httpStream('get', $this->_streamUrl);
     }
-    
+
     /**
      * Process an open stream for x microseconds, then return. This is useful if you want
      * to be doing other things while processing the stream. If you just want to
@@ -2487,7 +2498,7 @@ class phpnut
             }
         } while ($timeSoFar+$sleepFor < $microseconds);
     }
-    
+
     /**
      * Process an open stream forever. This function will never return, if you
      * want to perform other actions while consuming the stream, you should use
diff --git a/pumpio/oauth/http.php b/pumpio/oauth/http.php
index 5d5e23f0..3045e509 100644
--- a/pumpio/oauth/http.php
+++ b/pumpio/oauth/http.php
@@ -109,9 +109,11 @@ class http_class
 	var $connected_port = -1;
 	var $connected_ssl = 0;
 
+	private $content_length_set;
+
 	/* Private methods - DO NOT CALL */
 
-	Function Tokenize($string,$separator="")
+	private function Tokenize($string,$separator="")
 	{
 		if(!strcmp($separator,""))
 		{
@@ -135,18 +137,18 @@ class http_class
 		}
 	}
 
-	Function CookieEncode($value, $name)
+	private function CookieEncode($value, $name)
 	{
 		return($name ? str_replace("=", "%25", $value) : str_replace(";", "%3B", $value));
 	}
 
-	Function SetError($error, $error_code = HTTP_CLIENT_ERROR_UNSPECIFIED_ERROR)
+	private function SetError($error, $error_code = HTTP_CLIENT_ERROR_UNSPECIFIED_ERROR)
 	{
 		$this->error_code = $error_code;
 		return($this->error=$error);
 	}
 
-	Function SetPHPError($error, &$php_error_message, $error_code = HTTP_CLIENT_ERROR_UNSPECIFIED_ERROR)
+	private function SetPHPError($error, &$php_error_message, $error_code = HTTP_CLIENT_ERROR_UNSPECIFIED_ERROR)
 	{
 		if(IsSet($php_error_message)
 		&& strlen($php_error_message))
@@ -154,7 +156,7 @@ class http_class
 		return($this->SetError($error, $error_code));
 	}
 
-	Function SetDataAccessError($error,$check_connection=0)
+	private function SetDataAccessError($error,$check_connection=0)
 	{
 		$this->error=$error;
 		$this->error_code = HTTP_CLIENT_ERROR_COMMUNICATION_FAILURE;
@@ -174,7 +176,7 @@ class http_class
 		}
 	}
 
-	Function OutputDebug($message)
+	private function OutputDebug($message)
 	{
 		if($this->log_debug)
 			error_log($message);
@@ -188,7 +190,7 @@ class http_class
 		}
 	}
 
-	Function GetLine()
+	private function GetLine()
 	{
 		for($line="";;)
 		{
@@ -227,7 +229,7 @@ class http_class
 		}
 	}
 
-	Function PutLine($line)
+	private function PutLine($line)
 	{
 		if($this->debug)
 			$this->OutputDebug("C $line");
@@ -239,7 +241,7 @@ class http_class
 		return(1);
 	}
 
-	Function PutData($data)
+	private function PutData($data)
 	{
 		if(strlen($data))
 		{
@@ -254,7 +256,7 @@ class http_class
 		return(1);
 	}
 
-	Function FlushData()
+	private function FlushData()
 	{
 		if(!fflush($this->connection))
 		{
@@ -264,7 +266,7 @@ class http_class
 		return(1);
 	}
 
-	Function ReadChunkSize()
+	private function ReadChunkSize()
 	{
 		if($this->remaining_chunk==0)
 		{
@@ -289,7 +291,7 @@ class http_class
 		return("");
 	}
 
-	Function ReadBytes($length)
+	private function ReadBytes($length)
 	{
 		if($this->use_curl)
 		{
@@ -356,7 +358,7 @@ class http_class
 		return($bytes);
 	}
 
-	Function EndOfInput()
+	private function EndOfInput()
 	{
 		if($this->use_curl)
 			return($this->read_response>=strlen($this->response));
@@ -367,7 +369,7 @@ class http_class
 		return(feof($this->connection));
 	}
 
-	Function Resolve($domain, &$ip, $server_type)
+	private function Resolve($domain, &$ip, $server_type)
 	{
 		if(preg_match('/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/',$domain))
 			$ip=$domain;
@@ -385,7 +387,7 @@ class http_class
 		return('');
 	}
 
-	Function Connect($host_name, $host_port, $ssl, $server_type = 'HTTP')
+	private function Connect($host_name, $host_port, $ssl, $server_type = 'HTTP')
 	{
 		$domain=$host_name;
 		$port = $host_port;
@@ -552,7 +554,7 @@ class http_class
 		}
 	}
 
-	Function Disconnect()
+	private function Disconnect()
 	{
 		if($this->debug)
 			$this->OutputDebug("Disconnected from ".$this->connected_host);
@@ -569,7 +571,7 @@ class http_class
 
 	/* Public methods */
 
-	Function GetRequestArguments($url, &$arguments)
+	public function GetRequestArguments($url, &$arguments)
 	{
 		$this->error = '';
 		$this->error_code = HTTP_CLIENT_ERROR_NO_ERROR;
@@ -621,7 +623,7 @@ class http_class
 		return("");
 	}
 
-	Function Open($arguments)
+	public function Open($arguments)
 	{
 		if(strlen($this->error))
 			return($this->error);
@@ -750,7 +752,7 @@ class http_class
 		return("");
 	}
 
-	Function Close($force = 0)
+	public function Close($force = 0)
 	{
 		if($this->state=="Disconnected")
 			return("1 already disconnected");
@@ -767,7 +769,7 @@ class http_class
 		return($this->Disconnect());
 	}
 
-	Function PickCookies(&$cookies,$secure)
+	private function PickCookies(&$cookies,$secure)
 	{
 		if(IsSet($this->cookies[$secure]))
 		{
@@ -803,7 +805,7 @@ class http_class
 		}
 	}
 
-	Function GetFileDefinition($file, &$definition)
+	private function GetFileDefinition($file, &$definition)
 	{
 		$name="";
 		if(IsSet($file["FileName"]))
@@ -990,9 +992,6 @@ class http_class
 			if(GetType($length=@filesize($file["FileName"]))!="integer")
 			{
 				$error="it was not possible to determine the length of the file ".$file["FileName"];
-				if(IsSet($php_errormsg)
-				&& strlen($php_errormsg))
-					$error.=": ".$php_errormsg;
 				if(!file_exists($file["FileName"]))
 					$error="it was not possible to access the file ".$file["FileName"];
 				return($error);
@@ -1007,7 +1006,7 @@ class http_class
 		return("");
 	}
 
-	Function ConnectFromProxy($arguments, &$headers)
+	private function ConnectFromProxy($arguments, &$headers)
 	{
 		if(!$this->PutLine('CONNECT '.$this->host_name.':'.($this->host_port ? $this->host_port : 443).' HTTP/1.0')
 		|| (strlen($this->user_agent)
@@ -1052,7 +1051,7 @@ class http_class
 		return("");
 	}
 
-	Function SendRequest($arguments)
+	public function SendRequest($arguments)
 	{
 		if(strlen($this->error))
 			return($this->error);
@@ -1440,7 +1439,7 @@ class http_class
 		return("");
 	}
 
-	Function SetCookie($name, $value, $expires="" , $path="/" , $domain="" , $secure=0, $verbatim=0)
+	private function SetCookie($name, $value, $expires="" , $path="/" , $domain="" , $secure=0, $verbatim=0)
 	{
 		if(strlen($this->error))
 			return($this->error);
@@ -1472,7 +1471,7 @@ class http_class
 		return("");
 	}
 
-	Function SendRequestBody($data, $end_of_data)
+	private function SendRequestBody($data, $end_of_data)
 	{
 		if(strlen($this->error))
 			return($this->error);
@@ -1508,7 +1507,7 @@ class http_class
 		return("");
 	}
 
-	Function ReadReplyHeadersResponse(&$headers)
+	private function ReadReplyHeadersResponse(&$headers)
 	{
 		$headers=array();
 		if(strlen($this->error))
@@ -1635,7 +1634,7 @@ class http_class
 		return("");
 	}
 
-	Function Redirect(&$headers)
+	private function Redirect(&$headers)
 	{
 		if($this->follow_redirect)
 		{
@@ -1678,7 +1677,7 @@ class http_class
 		return("");
 	}
 
-	Function Authenticate(&$headers, $proxy, &$proxy_authorization, &$user, &$password, &$realm, &$workstation)
+	private function Authenticate(&$headers, $proxy, &$proxy_authorization, &$user, &$password, &$realm, &$workstation)
 	{
 		if($proxy)
 		{
@@ -1697,9 +1696,10 @@ class http_class
 		if(IsSet($headers[$authenticate_header])
 		&& $this->sasl_authenticate)
 		{
-			if(function_exists("class_exists")
-			&& !class_exists("sasl_client_class"))
+			if(!class_exists('sasl_client_class'))
+			{
 				return($this->SetError("the SASL client class needs to be loaded to be able to authenticate".($proxy ? " with the proxy server" : "")." and access this site", HTTP_CLIENT_ERROR_INVALID_PARAMETERS));
+			}
 			if(GetType($headers[$authenticate_header])=="array")
 				$authenticate=$headers[$authenticate_header];
 			else
@@ -1719,7 +1719,7 @@ class http_class
 				else
 					$mechanisms[]=$mechanism;
 			}
-			$sasl=new sasl_client_class;
+			$sasl=new \sasl_client_class();
 			if(IsSet($user))
 				$sasl->SetCredential("user",$user);
 			if(IsSet($password))
@@ -1731,6 +1731,8 @@ class http_class
 			$sasl->SetCredential("uri",$this->request_uri);
 			$sasl->SetCredential("method",$this->request_method);
 			$sasl->SetCredential("session",$this->session);
+			$message = '';
+			$interactions = [];
 			do
 			{
 				$status=$sasl->Start($mechanisms,$message,$interactions);
@@ -1906,8 +1908,8 @@ class http_class
 		}
 		return("");
 	}
-	
-	Function ReadReplyHeaders(&$headers)
+
+	public function ReadReplyHeaders(&$headers)
 	{
 		if(strlen($error=$this->ReadReplyHeadersResponse($headers)))
 			return($error);
@@ -1938,7 +1940,7 @@ class http_class
 		return("");
 	}
 
-	Function ReadReplyBody(&$body,$length)
+	private function ReadReplyBody(&$body,$length)
 	{
 		$body="";
 		if(strlen($this->error))
@@ -1980,7 +1982,7 @@ class http_class
 		return("");
 	}
 
-	Function ReadWholeReplyBody(&$body)
+	public function ReadWholeReplyBody(&$body)
 	{
 		$body = '';
 		for(;;)
@@ -1993,7 +1995,7 @@ class http_class
 		}
 	}
 
-	Function SaveCookies(&$cookies, $domain='', $secure_only=0, $persistent_only=0)
+	private function SaveCookies(&$cookies, $domain='', $secure_only=0, $persistent_only=0)
 	{
 		$now=gmdate("Y-m-d H-i-s");
 		$cookies=array();
@@ -2034,17 +2036,17 @@ class http_class
 		}
 	}
 
-	Function SavePersistentCookies(&$cookies, $domain='', $secure_only=0)
+	private function SavePersistentCookies(&$cookies, $domain='', $secure_only=0)
 	{
 		$this->SaveCookies($cookies, $domain, $secure_only, 1);
 	}
 
-	Function GetPersistentCookies(&$cookies, $domain='', $secure_only=0)
+	private function GetPersistentCookies(&$cookies, $domain='', $secure_only=0)
 	{
 		$this->SavePersistentCookies($cookies, $domain, $secure_only);
 	}
 
-	Function RestoreCookies($cookies, $clear=1)
+	private function RestoreCookies($cookies, $clear=1)
 	{
 		$new_cookies=($clear ? array() : $this->cookies);
 		for($secure_cookies=0, Reset($cookies); $secure_cookies<count($cookies); Next($cookies), $secure_cookies++)
diff --git a/s3_storage/src/S3Client.php b/s3_storage/src/S3Client.php
index 643df2b0..613eda97 100644
--- a/s3_storage/src/S3Client.php
+++ b/s3_storage/src/S3Client.php
@@ -4,10 +4,10 @@ namespace Friendica\Addon\s3_storage\src;
 
 defined('AKEEBAENGINE') or define('AKEEBAENGINE', 1);
 
-use Akeeba\Engine\Postproc\Connector\S3v4\Configuration;
-use Akeeba\Engine\Postproc\Connector\S3v4\Connector;
-use Akeeba\Engine\Postproc\Connector\S3v4\Exception\CannotDeleteFile;
-use Akeeba\Engine\Postproc\Connector\S3v4\Input;
+use Akeeba\S3\Configuration;
+use Akeeba\S3\Connector;
+use Akeeba\S3\Exception\CannotDeleteFile;
+use Akeeba\S3\Input;
 use Friendica\Core\Storage\Capability\ICanWriteToStorage;
 use Friendica\Core\Storage\Exception\StorageException;
 use Friendica\Util\Strings;
diff --git a/s3_storage/src/S3Config.php b/s3_storage/src/S3Config.php
index 809cdd28..1831c666 100644
--- a/s3_storage/src/S3Config.php
+++ b/s3_storage/src/S3Config.php
@@ -4,8 +4,8 @@ namespace Friendica\Addon\s3_storage\src;
 
 defined('AKEEBAENGINE') or define('AKEEBAENGINE', 1);
 
-use Akeeba\Engine\Postproc\Connector\S3v4\Configuration;
-use Akeeba\Engine\Postproc\Connector\S3v4\Connector;
+use Akeeba\S3\Configuration;
+use Akeeba\S3\Connector;
 use Friendica\Core\Config\Capability\IManageConfigValues;
 use Friendica\Core\L10n;
 use Friendica\Core\Storage\Capability\ICanConfigureStorage;