diff --git a/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php b/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
index 370a322346b..a350f643e9e 100644
--- a/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
+++ b/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
@@ -65,7 +65,11 @@ class doc_generic_project_odt extends ModelePDFProjects
      */
 	public $phpmin = array(5, 4);
 
-	var $version = 'dolibarr';
+	/**
+     * Dolibarr version of the loaded document
+     * @public string
+     */
+	public $version = 'dolibarr';
 
 
 	/**
diff --git a/htdocs/core/modules/project/mod_project_simple.php b/htdocs/core/modules/project/mod_project_simple.php
index 33fce830397..8fef9abd7bd 100644
--- a/htdocs/core/modules/project/mod_project_simple.php
+++ b/htdocs/core/modules/project/mod_project_simple.php
@@ -31,14 +31,22 @@ require_once DOL_DOCUMENT_ROOT .'/core/modules/project/modules_project.php';
  */
 class mod_project_simple extends ModeleNumRefProjects
 {
-	var $version='dolibarr';		// 'development', 'experimental', 'dolibarr'
-	var $prefix='PJ';
+	/**
+     * Dolibarr version of the loaded document
+     * @public string
+     */
+	public $version = 'dolibarr';		// 'development', 'experimental', 'dolibarr'
+
+	public $prefix='PJ';
+
     /**
 	 * @var string Error code (or message)
 	 */
 	public $error='';
-	var $nom = "Simple";
-	var $name = "Simple";
+
+	public $nom = "Simple";
+
+	public $name = "Simple";
 
 
     /**
diff --git a/htdocs/core/modules/project/mod_project_universal.php b/htdocs/core/modules/project/mod_project_universal.php
index a5526d9f033..2426da13e87 100644
--- a/htdocs/core/modules/project/mod_project_universal.php
+++ b/htdocs/core/modules/project/mod_project_universal.php
@@ -30,10 +30,17 @@ require_once DOL_DOCUMENT_ROOT .'/core/modules/project/modules_project.php';
  */
 class mod_project_universal extends ModeleNumRefProjects
 {
-	var $version='dolibarr';		// 'development', 'experimental', 'dolibarr'
-	var $error = '';
-	var $nom = 'Universal';
-	var $name = 'Universal';
+	/**
+     * Dolibarr version of the loaded document
+     * @public string
+     */
+	public $version = 'dolibarr';		// 'development', 'experimental', 'dolibarr'
+
+	public $error = '';
+
+	public $nom = 'Universal';
+
+	public $name = 'Universal';
 
 
     /**
@@ -43,7 +50,7 @@ class mod_project_universal extends ModeleNumRefProjects
      */
 	function info()
     {
-    	global $conf,$langs;
+    	global $conf, $langs;
 
 		// Load translation files required by the page
         $langs->loadLangs(array("projects","admin"));
diff --git a/htdocs/core/modules/project/task/mod_task_simple.php b/htdocs/core/modules/project/task/mod_task_simple.php
index 76cade72785..009449e36c4 100644
--- a/htdocs/core/modules/project/task/mod_task_simple.php
+++ b/htdocs/core/modules/project/task/mod_task_simple.php
@@ -31,14 +31,22 @@ require_once DOL_DOCUMENT_ROOT .'/core/modules/project/task/modules_task.php';
  */
 class mod_task_simple extends ModeleNumRefTask
 {
-	var $version='dolibarr';		// 'development', 'experimental', 'dolibarr'
-	var $prefix='TK';
+	/**
+     * Dolibarr version of the loaded document
+     * @public string
+     */
+	public $version = 'dolibarr';		// 'development', 'experimental', 'dolibarr'
+
+	public $prefix='TK';
+
     /**
 	 * @var string Error code (or message)
 	 */
 	public $error='';
-	var $nom = "Simple";
-	var $name = "Simple";
+
+	public $nom = "Simple";
+
+	public $name = "Simple";
 
 
     /**
diff --git a/htdocs/core/modules/project/task/mod_task_universal.php b/htdocs/core/modules/project/task/mod_task_universal.php
index 5fcb39c9b83..e0d82164585 100644
--- a/htdocs/core/modules/project/task/mod_task_universal.php
+++ b/htdocs/core/modules/project/task/mod_task_universal.php
@@ -30,10 +30,17 @@ require_once DOL_DOCUMENT_ROOT .'/core/modules/project/task/modules_task.php';
  */
 class mod_task_universal extends ModeleNumRefTask
 {
-	var $version='dolibarr';		// 'development', 'experimental', 'dolibarr'
-	var $error = '';
-	var $nom = 'Universal';
-	var $name = 'Universal';
+	/**
+     * Dolibarr version of the loaded document
+     * @public string
+     */
+	public $version = 'dolibarr';		// 'development', 'experimental', 'dolibarr'
+
+	public $error = '';
+
+	public $nom = 'Universal';
+
+	public $name = 'Universal';
 
 
     /**