diff --git a/htdocs/core/class/CSMSFile.class.php b/htdocs/core/class/CSMSFile.class.php
index 7d0bf5fad0c..5620e641df0 100644
--- a/htdocs/core/class/CSMSFile.class.php
+++ b/htdocs/core/class/CSMSFile.class.php
@@ -54,7 +54,6 @@ class CSMSFile
 	 *	@param 	int		$deferred			Deferred or not
 	 *	@param 	int		$priority			Priority
 	 *	@param 	int		$class				Class
-	 *	@return	int
 	 */
 	function __construct($to,$from,$msg,$deliveryreceipt=0,$deferred=0,$priority=3,$class=1)
 	{
diff --git a/htdocs/core/class/antivir.class.php b/htdocs/core/class/antivir.class.php
index 68241cb4d62..d7f765fa510 100644
--- a/htdocs/core/class/antivir.class.php
+++ b/htdocs/core/class/antivir.class.php
@@ -40,7 +40,6 @@ class AntiVir
 	 *  Constructor
 	 *
 	 *  @param      DoliDB		$db      Database handler
-	 *	@return AntiVir
 	 */
 	function __construct($db)
 	{
diff --git a/htdocs/core/class/conf.class.php b/htdocs/core/class/conf.class.php
index ac0899c286e..649fe89ac21 100644
--- a/htdocs/core/class/conf.class.php
+++ b/htdocs/core/class/conf.class.php
@@ -72,8 +72,6 @@ class Conf
 
 	/**
 	 * Constructor
-	 *
-	 * @return Conf
 	 */
 	function __construct()
 	{
diff --git a/htdocs/core/class/dolgeoip.class.php b/htdocs/core/class/dolgeoip.class.php
index 9844e6b74c9..7cddd4c16f5 100644
--- a/htdocs/core/class/dolgeoip.class.php
+++ b/htdocs/core/class/dolgeoip.class.php
@@ -40,7 +40,6 @@ class DolGeoIP
 	 *
 	 * @param 	string	$type		'country' or 'city'
 	 * @param	string	$datfile	Data file
-	 * @return 	GeoIP
 	 */
 	function __construct($type,$datfile)
 	{
diff --git a/htdocs/core/class/dolprintipp.class.php b/htdocs/core/class/dolprintipp.class.php
index 71ee2a1be37..b6e09547743 100644
--- a/htdocs/core/class/dolprintipp.class.php
+++ b/htdocs/core/class/dolprintipp.class.php
@@ -45,7 +45,6 @@ class dolprintIPP
      * @param   string      $userid     userid
      * @param   string      $user       user
      * @param   string      $password   password
-     * @return  printIPP
      */
     function __construct($db,$host,$port,$userid,$user,$password)
     {
@@ -90,7 +89,7 @@ class dolprintIPP
         global $conf,$db;
 
         include_once DOL_DOCUMENT_ROOT.'/includes/printipp/CupsPrintIPP.php';
-        
+
         $ipp = new CupsPrintIPP();
         $ipp->setLog(DOL_DATA_ROOT.'/dolibarr_printipp.log','file',3); // logging very verbose
         $ipp->setHost($this->host);
@@ -121,12 +120,12 @@ class dolprintIPP
             	}
             }
         }
-        
+
         // Set number of copy
         $ipp->setCopies($obj->copy);
         $ipp->setData(DOL_DATA_ROOT.'/'.$module.'/'.$file);
         $ipp->printJob();
-        
+
         return '';
     }
 
diff --git a/htdocs/core/class/google.class.php b/htdocs/core/class/google.class.php
index 7f36c6f0d99..b0649f575fc 100644
--- a/htdocs/core/class/google.class.php
+++ b/htdocs/core/class/google.class.php
@@ -36,7 +36,6 @@ class GoogleAPI
 	 *
 	 * @param 	DoliDB		$db			Database handler
 	 * @param	string		$key		Google key
-	 * @return 	GoogleAPI
 	 */
 	function __construct($db,$key)
 	{
diff --git a/htdocs/core/class/mobiledetect.class.php b/htdocs/core/class/mobiledetect.class.php
index 72d192a7614..297058698aa 100644
--- a/htdocs/core/class/mobiledetect.class.php
+++ b/htdocs/core/class/mobiledetect.class.php
@@ -637,6 +637,11 @@ class MobileDetect
         return null;
     }
 
+    /**
+     * getMobileHeaders
+     *
+     * @return	string		mobile Headers
+     */
     public function getMobileHeaders()
     {
         return self::$mobileHeaders;
diff --git a/htdocs/core/class/openid.class.php b/htdocs/core/class/openid.class.php
index 5165dcb4994..a5e01998ecd 100644
--- a/htdocs/core/class/openid.class.php
+++ b/htdocs/core/class/openid.class.php
@@ -247,6 +247,12 @@ class SimpleOpenID
         }
     }
 
+    /**
+     * array2url
+     *
+     * @param 	array	$arr		An array
+     * @return boolean|string		false if KO, string of url if OK
+     */
     function array2url($arr)
     { // converts associated array to URL Query String
         if (!is_array($arr)){
@@ -259,6 +265,14 @@ class SimpleOpenID
         return $query;
     }
 
+    /**
+     * FSOCK_Request
+     *
+     * @param string 	$url		URL
+     * @param string	$method		Method
+     * @param string	$params		Params
+     * @return boolean|unknown
+     */
     function FSOCK_Request($url, $method="GET", $params = "")
     {
         $fp = fsockopen("ssl://www.myopenid.com", 443, $errno, $errstr, 3); // Connection timeout is 3 seconds
@@ -283,6 +297,14 @@ class SimpleOpenID
         }
     }
 
+    /**
+     * CURL_Request
+     *
+     * @param 	string	$url		URL
+     * @param 	string	$method		Method
+     * @param 	string	$params		Params
+     * @return boolean|unknown
+     */
     function CURL_Request($url, $method="GET", $params = "")
     { // Remember, SSL MUST BE SUPPORTED
         if (is_array($params)) $params = $this->array2url($params);
@@ -305,6 +327,12 @@ class SimpleOpenID
         return $response;
     }
 
+    /**
+     * HTML2OpenIDServer
+     *
+     * @param string	$content	Content
+     * @return array				Array of servers
+     */
     function HTML2OpenIDServer($content)
     {
         $get = array();
diff --git a/htdocs/core/db/mssql.class.php b/htdocs/core/db/mssql.class.php
index a8f9e9aff50..0f86f01693c 100644
--- a/htdocs/core/db/mssql.class.php
+++ b/htdocs/core/db/mssql.class.php
@@ -53,7 +53,6 @@ class DoliDBMssql extends DoliDB
 	 *	@param	    string	$pass		Mot de passe
 	 *	@param	    string	$name		Nom de la database
 	 *	@param	    int		$port		Port of database server
-	 *	@return	    int					1 if OK, 0 if not
      */
 	function __construct($type, $host, $user, $pass, $name='', $port=0)
 	{
diff --git a/htdocs/core/db/mysql.class.php b/htdocs/core/db/mysql.class.php
index dc0cbb1cb1b..bd3e77f37d5 100644
--- a/htdocs/core/db/mysql.class.php
+++ b/htdocs/core/db/mysql.class.php
@@ -50,7 +50,6 @@ class DoliDBMysql extends DoliDB
 	 *	@param	    string	$pass		Mot de passe
 	 *	@param	    string	$name		Nom de la database
 	 *	@param	    int		$port		Port of database server
-	 *	@return	    int					1 if OK, 0 if not
 	 */
 	function __construct($type, $host, $user, $pass, $name='', $port=0)
 	{
diff --git a/htdocs/core/db/mysqli.class.php b/htdocs/core/db/mysqli.class.php
index 9ec495f7ca5..cd692db677c 100644
--- a/htdocs/core/db/mysqli.class.php
+++ b/htdocs/core/db/mysqli.class.php
@@ -50,7 +50,6 @@ class DoliDBMysqli extends DoliDB
 	 *	@param	    string	$pass		Mot de passe
 	 *	@param	    string	$name		Nom de la database
 	 *	@param	    int		$port		Port of database server
-	 *	@return	    int					1 if OK, 0 if not
      */
     function __construct($type, $host, $user, $pass, $name='', $port=0)
     {
@@ -357,7 +356,6 @@ class DoliDBMysqli extends DoliDB
      *	@return int		    Nombre de lignes
      *	@see    num_rows
      */
-
     function affected_rows($resultset)
     {
         // If resultset not provided, we take the last used by connexion
diff --git a/htdocs/core/db/pgsql.class.php b/htdocs/core/db/pgsql.class.php
index a7baf59783d..c1bc48c0aaf 100644
--- a/htdocs/core/db/pgsql.class.php
+++ b/htdocs/core/db/pgsql.class.php
@@ -60,7 +60,6 @@ class DoliDBPgsql extends DoliDB
 	 *	@param	    string	$pass		Mot de passe
 	 *	@param	    string	$name		Nom de la database
 	 *	@param	    int		$port		Port of database server
-	 *	@return	    int					1 if OK, 0 if not
 	 */
 	function __construct($type, $host, $user, $pass, $name='', $port=0)
 	{
diff --git a/htdocs/core/db/sqlite.class.php b/htdocs/core/db/sqlite.class.php
index 53ecb880dce..d19786bb815 100644
--- a/htdocs/core/db/sqlite.class.php
+++ b/htdocs/core/db/sqlite.class.php
@@ -50,7 +50,6 @@ class DoliDBSqlite extends DoliDB
 	 *	@param	    string	$pass		Mot de passe
 	 *	@param	    string	$name		Nom de la database
 	 *	@param	    int		$port		Port of database server
-	 *	@return	    int					1 if OK, 0 if not
      */
     function __construct($type, $host, $user, $pass, $name='', $port=0)
     {