diff --git a/htdocs/compta/facture/class/api_invoices.class.php b/htdocs/compta/facture/class/api_invoices.class.php
index e86e221bbb7..af115c3aab2 100644
--- a/htdocs/compta/facture/class/api_invoices.class.php
+++ b/htdocs/compta/facture/class/api_invoices.class.php
@@ -2,6 +2,7 @@
 /* Copyright (C) 2015   Jean-François Ferry     <jfefe@aternatik.fr>
  * Copyright (C) 2020   Thibault FOUCART		<support@ptibogxiv.net>
  * Copyright (C) 2023	Joachim Kueter			<git-jk@bloxera.com>
+ * Copyright (C) 2024		Frédéric France			<frederic.france@free.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -930,14 +931,15 @@ class Invoices extends DolibarrApi
 	 *   "notrigger": 0
 	 * }
 	 *
-	 * @param   int $id             Invoice ID
-	 * @param   int $idwarehouse    Warehouse ID
-	 * @param   int $notrigger      1=Does not execute triggers, 0= execute triggers
-	 * @return	Object|false		Object with cleaned properties
+	 * @param   int $id             	Invoice ID
+	 * @param   string $force_number   	force ref invoice
+	 * @param   int $idwarehouse    	Warehouse ID
+	 * @param   int $notrigger      	1=Does not execute triggers, 0= execute triggers
+	 * @return	Object|false			Object with cleaned properties
 	 *
 	 * @url POST    {id}/validate
 	 */
-	public function validate($id, $idwarehouse = 0, $notrigger = 0)
+	public function validate($id, $force_number = '', $idwarehouse = 0, $notrigger = 0)
 	{
 		if (!DolibarrApiAccess::$user->hasRight('facture', 'creer')) {
 			throw new RestException(403);
@@ -951,7 +953,7 @@ class Invoices extends DolibarrApi
 			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
 		}
 
-		$result = $this->invoice->validate(DolibarrApiAccess::$user, '', $idwarehouse, $notrigger);
+		$result = $this->invoice->validate(DolibarrApiAccess::$user, $force_number, $idwarehouse, $notrigger);
 		if ($result == 0) {
 			throw new RestException(304, 'Error nothing done. May be object is already validated');
 		}
diff --git a/htdocs/core/lib/files.lib.php b/htdocs/core/lib/files.lib.php
index a518ec79f9d..f82a0fccd6e 100644
--- a/htdocs/core/lib/files.lib.php
+++ b/htdocs/core/lib/files.lib.php
@@ -2620,7 +2620,7 @@ function dol_compress_dir($inputdir, $outputfile, $mode = "zip", $excludefiles =
  * @param	int			$mode			0=Return array minimum keys loaded (faster), 1=Force all keys like date and size to be loaded (slower), 2=Force load of date only, 3=Force load of size only
  * @return	array						Array with properties (full path, date, ...) of to most recent file
  */
-function dol_most_recent_file($dir, $regexfilter = '', $excludefilter = array('(\.meta|_preview.*\.png)$', '^\.'), $nohook = 0, $mode = '')
+function dol_most_recent_file($dir, $regexfilter = '', $excludefilter = array('(\.meta|_preview.*\.png)$', '^\.'), $nohook = 0, $mode = 0)
 {
 	$tmparray = dol_dir_list($dir, 'files', 0, $regexfilter, $excludefilter, 'date', SORT_DESC, $mode, $nohook);
 	return isset($tmparray[0]) ? $tmparray[0] : null;
diff --git a/htdocs/product/dynamic_price/class/price_global_variable.class.php b/htdocs/product/dynamic_price/class/price_global_variable.class.php
index e14075cfd48..13cf5233342 100644
--- a/htdocs/product/dynamic_price/class/price_global_variable.class.php
+++ b/htdocs/product/dynamic_price/class/price_global_variable.class.php
@@ -2,6 +2,7 @@
 /* Copyright (C) 2007-2012 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2014	   Juanjo Menent		<jmenent@2byte.es>
  * Copyright (C) 2015      Ion Agorria          <ion@agorria.com>
+ * Copyright (C) 2024		Frédéric France			<frederic.france@free.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -169,11 +170,11 @@ class PriceGlobalVariable
 	/**
 	 *  Update object into database
 	 *
-	 *  @param	User	$user        User that modifies
-	 *  @param  int		$notrigger	 0=launch triggers after, 1=disable triggers
-	 *  @return int     		   	 Return integer <0 if KO, >0 if OK
+	 *  @param	User|null	$user       User that modifies
+	 *  @param  int			$notrigger	0=launch triggers after, 1=disable triggers
+	 *  @return int     		   	 	Return integer <0 if KO, >0 if OK
 	 */
-	public function update($user = 0, $notrigger = 0)
+	public function update($user = null, $notrigger = 0)
 	{
 		$error = 0;
 
diff --git a/htdocs/product/dynamic_price/class/price_global_variable_updater.class.php b/htdocs/product/dynamic_price/class/price_global_variable_updater.class.php
index 5097d8ac7ba..d36c0477bf4 100644
--- a/htdocs/product/dynamic_price/class/price_global_variable_updater.class.php
+++ b/htdocs/product/dynamic_price/class/price_global_variable_updater.class.php
@@ -2,6 +2,7 @@
 /* Copyright (C) 2007-2012 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2014	   Juanjo Menent		<jmenent@2byte.es>
  * Copyright (C) 2015      Ion Agorria          <ion@agorria.com>
+ * Copyright (C) 2024		Frédéric France			<frederic.france@free.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -189,11 +190,11 @@ class PriceGlobalVariableUpdater
 	/**
 	 *  Update object into database
 	 *
-	 *  @param	User	$user        User that modifies
-	 *  @param  int		$notrigger	 0=launch triggers after, 1=disable triggers
-	 *  @return int     		   	 Return integer <0 if KO, >0 if OK
+	 *  @param	User|null	$user       User that modifies
+	 *  @param  int			$notrigger	0=launch triggers after, 1=disable triggers
+	 *  @return int     		   	 	Return integer <0 if KO, >0 if OK
 	 */
-	public function update($user = 0, $notrigger = 0)
+	public function update($user = null, $notrigger = 0)
 	{
 		$error = 0;
 
@@ -557,12 +558,12 @@ class PriceGlobalVariableUpdater
 	/**
 	 *  Update next_update into database
 	 *
-	 *  @param	string	$next_update Next update to write
-	 *  @param	User	$user        User that modifies
-	 *  @param  int		$notrigger	 0=launch triggers after, 1=disable triggers
-	 *  @return int     		   	 Return integer <0 if KO, >0 if OK
+	 *  @param	string		$next_update	Next update to write
+	 *  @param	User|null	$user       	User that modifies
+	 *  @param  int			$notrigger		0=launch triggers after, 1=disable triggers
+	 *  @return int     		   	 		Return integer <0 if KO, >0 if OK
 	 */
-	public function update_next_update($next_update, $user = 0, $notrigger = 0)
+	public function update_next_update($next_update, $user = null, $notrigger = 0)
 	{
 		// phpcs:enable
 		$error = 0;
@@ -602,12 +603,12 @@ class PriceGlobalVariableUpdater
 	/**
 	 *  Update last_status into database
 	 *
-	 *  @param	string	$last_status Status to write
-	 *  @param	User	$user        User that modifies
-	 *  @param  int		$notrigger	 0=launch triggers after, 1=disable triggers
-	 *  @return int     		   	 Return integer <0 if KO, >0 if OK
+	 *  @param	string		$last_status	Status to write
+	 *  @param	User|null	$user       	User that modifies
+	 *  @param  int			$notrigger		0=launch triggers after, 1=disable triggers
+	 *  @return int     		   	 		Return integer <0 if KO, >0 if OK
 	 */
-	public function update_status($last_status, $user = 0, $notrigger = 0)
+	public function update_status($last_status, $user = null, $notrigger = 0)
 	{
 		// phpcs:enable
 		$error = 0;