diff --git a/htdocs/core/lib/files.lib.php b/htdocs/core/lib/files.lib.php
index 7dc0ec5a4ae..37dc1df4f6a 100644
--- a/htdocs/core/lib/files.lib.php
+++ b/htdocs/core/lib/files.lib.php
@@ -2435,11 +2435,11 @@ function addFileIntoDatabaseIndex($dir, $file, $fullpathorig = '', $mode = 'uplo
 /**
  *  Delete files into database index using search criteria.
  *
- *  @param      string	$dir			Directory name (full real path without ending /)
- *  @param		string	$file			File name
- *  @param		string	$mode			How file was created ('uploaded', 'generated', ...)
- *  @param		Object	$object			object used for entity
- *	@return		int						Return integer <0 if KO, 0 if nothing done, >0 if OK
+ *  @param      string			$dir			Directory name (full real path without ending /)
+ *  @param		string			$file			File name
+ *  @param		string			$mode			How file was created ('uploaded', 'generated', ...)
+ *  @param		?CommonObject	$object			object used for entity
+ *	@return		int								Return integer <0 if KO, 0 if nothing done, >0 if OK
  */
 function deleteFilesIntoDatabaseIndex($dir, $file, $mode = 'uploaded', $object = null)
 {
diff --git a/htdocs/public/webportal/css/style.css.php b/htdocs/public/webportal/css/style.css.php
index 1a17074ba7e..7b9e95d82de 100644
--- a/htdocs/public/webportal/css/style.css.php
+++ b/htdocs/public/webportal/css/style.css.php
@@ -48,12 +48,16 @@ session_cache_limiter('public');
 require_once __DIR__.'/../webportal.main.inc.php'; // __DIR__ allow this script to be included in custom themes
 /**
  * @var Conf $conf
+ * @var Translate $langs
  *
  * @var	string	$dolibarr_nocache
  */
 
 $fontlist = 'arial,tahoma,verdana,helvetica';
 $colorbacktitle1 = '#fff';
+$langs->load("main", 0, 1);
+$right = ($langs->trans("DIRECTION") == 'rtl' ? 'left' : 'right');
+$left = ($langs->trans("DIRECTION") == 'rtl' ? 'right' : 'left');
 
 // Define css type
 top_httphead('text/css');
diff --git a/htdocs/public/webportal/tpl/header.tpl.php b/htdocs/public/webportal/tpl/header.tpl.php
index a45754a286e..374bf3a3811 100644
--- a/htdocs/public/webportal/tpl/header.tpl.php
+++ b/htdocs/public/webportal/tpl/header.tpl.php
@@ -17,6 +17,7 @@
 
 /**
  * @var Context $context	Object context for webportal
+ * @var Translate $langs
  */
 
 // Protection to avoid direct call of template
diff --git a/htdocs/public/webportal/webportal.main.inc.php b/htdocs/public/webportal/webportal.main.inc.php
index 1997cbda9bc..87143cc1234 100644
--- a/htdocs/public/webportal/webportal.main.inc.php
+++ b/htdocs/public/webportal/webportal.main.inc.php
@@ -88,7 +88,14 @@ require_once DOL_DOCUMENT_ROOT . '/webportal/class/webportalpartnership.class.ph
  * @var DoliDB $db
  * @var HookManager $hookmanager
  * @var Translate $langs
+ *
+ * @var string $sessionname
+ * @var string $sessiontimeout
  */
+'
+@phan-var-force string $sessionname
+@phan-var-force string $sessiontimeout
+';
 // Init session. Name of session is specific to WEBPORTAL instance.
 // Must be done after the include of filefunc.inc.php so global variables of conf file are defined (like $dolibarr_main_instance_unique_id or $dolibarr_main_force_https).
 // Note: the function dol_getprefix is defined into functions.lib.php but may have been defined to return a different key to manage another area to protect.