diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index da9c4f57c7a..b0b78b3bf03 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -3737,8 +3737,7 @@ class Facture extends CommonInvoice
 
 
 			// Include file with class
-			$dirmodels = array_merge(array('/'), (array)$conf->modules_parts['models']);
-
+			$dirmodels = array_merge(array('/'), (array) $conf->modules_parts['models']);
 			foreach ($dirmodels as $reldir) {
 				$dir = dol_buildpath($reldir . 'core/modules/' . $moduleName . '/');
 
diff --git a/htdocs/core/modules/takepos/mod_takepos_ref_simple.php b/htdocs/core/modules/takepos/mod_takepos_ref_simple.php
index 18039198a6e..f63acb7f7e4 100644
--- a/htdocs/core/modules/takepos/mod_takepos_ref_simple.php
+++ b/htdocs/core/modules/takepos/mod_takepos_ref_simple.php
@@ -31,17 +31,35 @@ dol_include_once('/core/modules/takepos/modules_takepos.php');
  */
 class mod_takepos_ref_simple extends ModeleNumRefTakepos
 {
-    var $version = 'dolibarr';        // 'development', 'experimental', 'dolibarr'
-    var $prefix = 'TK';
-    var $error = '';
-    var $nom = 'Simple';
+	/**
+	 * Dolibarr version of the loaded document 'development', 'experimental', 'dolibarr'
+	 * @var string
+	 */
+    public $version = 'dolibarr';
+
+	/**
+	 * Prefix
+	 * @var string
+	 */
+	public $prefix = 'TK';
+
+	/**
+	 * @var string Error code (or message)
+	 */
+	public $error = '';
+
+	/**
+	 * Name
+	 * @var string
+	 */
+	public $nom = 'Simple';
 
     /**
      *  Return description of numbering module
      *
      * @return     string      Text with description
      */
-    function info()
+	public function info()
     {
         global $langs;
 
@@ -53,7 +71,7 @@ class mod_takepos_ref_simple extends ModeleNumRefTakepos
      *
      * @return     string      Example
      */
-    function getExample()
+	public function getExample()
     {
         return $this->prefix . '0-0501-0001';
     }
@@ -64,7 +82,7 @@ class mod_takepos_ref_simple extends ModeleNumRefTakepos
      *
      * @return     boolean     false si conflit, true si ok
      */
-    function canBeActivated()
+	public function canBeActivated()
     {
         global $conf, $langs, $db;
 
@@ -103,7 +121,7 @@ class mod_takepos_ref_simple extends ModeleNumRefTakepos
      * @param   string		$mode       'next' for next value or 'last' for last value
      * @return  string      Next value
      */
-    function getNextValue($objsoc = null, $invoice = null, $mode = 'next')
+	public function getNextValue($objsoc = null, $invoice = null, $mode = 'next')
     {
         global $db;
 
@@ -168,7 +186,7 @@ class mod_takepos_ref_simple extends ModeleNumRefTakepos
      * @param       Object      $objforref      Object for number to search
      * @return      string      Next free value
      */
-    function getNumRef($objsoc, $objforref)
+	public function getNumRef($objsoc, $objforref)
     {
         return $this->getNextValue($objsoc, $objforref);
     }
diff --git a/htdocs/core/modules/takepos/mod_takepos_ref_universal.php b/htdocs/core/modules/takepos/mod_takepos_ref_universal.php
index aff9f373528..a84f4b28125 100644
--- a/htdocs/core/modules/takepos/mod_takepos_ref_universal.php
+++ b/htdocs/core/modules/takepos/mod_takepos_ref_universal.php
@@ -33,16 +33,29 @@ dol_include_once('/core/modules/takepos/modules_takepos.php');
  */
 class mod_takepos_ref_universal extends ModeleNumRefTakepos
 {
-    var $version = 'dolibarr';        // 'development', 'experimental', 'dolibarr'
-    var $error = '';
-    var $nom = 'Universal';
+	/**
+	 * Dolibarr version of the loaded document 'development', 'experimental', 'dolibarr'
+	 * @var string
+	 */
+	public $version = 'dolibarr';
+
+	/**
+	 * @var string Error code (or message)
+	 */
+	public $error = '';
+
+	/**
+	 * Name
+	 * @var string
+	 */
+	public $nom = 'Universal';
 
     /**
      *  Renvoi la description du modele de numerotation
      *
      * @return     string      Texte descripif
      */
-    function info()
+	public function info()
     {
         global $conf, $langs;
 
@@ -83,7 +96,7 @@ class mod_takepos_ref_universal extends ModeleNumRefTakepos
      *
      * @return     string      Example
      */
-    function getExample()
+	public function getExample()
     {
         global $conf, $langs, $mysoc;
 
@@ -99,14 +112,14 @@ class mod_takepos_ref_universal extends ModeleNumRefTakepos
     }
 
     /**
-     *    Return next free value
+     * Return next free value
      *
      * @param   Societe     $objsoc     Object thirdparty
      * @param   Facture		$invoice	Object invoice
      * @param   string		$mode       'next' for next value or 'last' for last value
      * @return  string      Value if KO, <0 if KO
      */
-    function getNextValue($objsoc = 0, $invoice = null, $mode = 'next')
+	public function getNextValue($objsoc = 0, $invoice = null, $mode = 'next')
     {
         global $db, $conf;
 
@@ -124,7 +137,7 @@ class mod_takepos_ref_universal extends ModeleNumRefTakepos
         $entity = getEntity('invoicenumber', 1, $invoice);
 
         $pos_source = is_object($invoice) && $invoice->pos_source > 0 ? $invoice->pos_source : 0;
-	    $mask = str_replace('{TN}' , $pos_source, $mask);
+	    $mask = str_replace('{TN}', $pos_source, $mask);
         $numFinal = get_next_value($db, $mask, 'facture', 'ref', '', $objsoc, $invoice->date, $mode, false, null, $entity);
 
         return $numFinal;
@@ -138,7 +151,7 @@ class mod_takepos_ref_universal extends ModeleNumRefTakepos
      * @param   Object      $objforref      Object for number to search
      * @return  string      Next free value
      */
-    function getNumRef($objsoc, $objforref)
+	public function getNumRef($objsoc, $objforref)
     {
         return $this->getNextValue($objsoc, $objforref);
     }
diff --git a/htdocs/core/modules/takepos/modules_takepos.php b/htdocs/core/modules/takepos/modules_takepos.php
index df327a87a1c..cb33fd2d9b3 100644
--- a/htdocs/core/modules/takepos/modules_takepos.php
+++ b/htdocs/core/modules/takepos/modules_takepos.php
@@ -33,71 +33,76 @@
  */
 abstract class ModeleNumRefTakepos
 {
-    var $error='';
-    public $version = '';
+	/**
+	 * @var string Error code (or message)
+	 */
+	public $error='';
 
-    /**
-     * 	Return if a module can be used or not
-     *
-     * 	@return		boolean     true if module can be used
-     */
-    function isEnabled()
+
+	public $version = '';
+
+	/**
+	 * Return if a module can be used or not
+	 *
+	 * @return	boolean     true if module can be used
+	 */
+	public function isEnabled()
     {
         return true;
     }
 
-    /**
-     * 	Renvoi la description par defaut du modele de numerotation
-     *
-     * 	@return     string      Texte descripif
-     */
-    function info()
+	/**
+	 * Renvoi la description par defaut du modele de numerotation
+	 *
+	 * @return    string      Texte descripif
+	 */
+    public function info()
     {
         global $langs;
         $langs->load("cashdesk@cashdesk");
         return $langs->trans("NoDescription");
     }
 
-    /**
-     * 	Renvoi un exemple de numerotation
-     *
-     * 	@return     string      Example
-     */
-    function getExample()
+	/**
+	 * Return an example of numbering
+	 *
+	 * @return	string      Example
+	 */
+	public function getExample()
     {
         global $langs;
         $langs->load('cashdesk@cashdesk');
         return $langs->trans('NoExample');
     }
 
-    /**
-     * 	Test si les numeros deja en vigueur dans la base ne provoquent pas de
-     * 	de conflits qui empechera cette numerotation de fonctionner.
-     *
-     * 	@return     boolean     false si conflit, true si ok
-     */
-    function canBeActivated()
+	/**
+	 *  Checks if the numbers already in force in the data base do not
+	 *  cause conflicts that would prevent this numbering from working.
+	 *
+	 * @return	boolean     false if conflict, true if ok
+	 */
+	public function canBeActivated()
     {
         return true;
     }
 
     /**
-     * 	Renvoi prochaine valeur attribuee
+     * Renvoi prochaine valeur attribuee
      *
-     * 	@return     string      Valeur
+     * @return     string      Valeur
      */
-    function getNextValue()
+	public function getNextValue()
     {
         global $langs;
         return $langs->trans('NotAvailable');
     }
 
-    /**
-     * 	Renvoi version du module numerotation
-     *
-     * 	@return     string      Valeur
-     */
-    function getVersion()
+	/**
+	 * Renvoi version du modele de numerotation
+	 *
+	 * @return    string      Valeur
+	 */
+	public function getVersion()
     {
         global $langs;
         $langs->load("admin");
@@ -108,4 +113,4 @@ abstract class ModeleNumRefTakepos
         if ($this->version) return $this->version;
         return $langs->trans('NotAvailable');
     }
-}
\ No newline at end of file
+}