diff --git a/htdocs/admin/stock.php b/htdocs/admin/stock.php
index 5005a7f5d1b7d..3b48a96343d4b 100644
--- a/htdocs/admin/stock.php
+++ b/htdocs/admin/stock.php
@@ -124,7 +124,7 @@
 		require_once $file;
 
 		$module = new $classname($db);
-		'@phan-var-force CommonDocGenerator $module';
+		'@phan-var-force ModelePDFStock $module';
 
 		if ($module->write_file($object, $langs) > 0) {
 			header("Location: ".DOL_URL_ROOT."/document.php?modulepart=stock&file=SPECIMEN.pdf");
diff --git a/htdocs/admin/stocktransfer.php b/htdocs/admin/stocktransfer.php
index e8573c8e860bf..6e1f76ba31d90 100644
--- a/htdocs/admin/stocktransfer.php
+++ b/htdocs/admin/stocktransfer.php
@@ -106,7 +106,7 @@
 		require_once $file;
 
 		$module = new $classname($db);
-		'@phan-var-force CommonDocGenerator $module';
+		'@phan-var-force ModelePDFStockTransfer $module';
 
 		if ($module->write_file($tmpobject, $langs) > 0) {
 			header("Location: ".DOL_URL_ROOT."/document.php?modulepart=".strtolower($tmpobjectkey)."&file=SPECIMEN.pdf");
diff --git a/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php b/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php
index d4d838f3475ab..b20e7911c082c 100644
--- a/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php
+++ b/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php
@@ -194,14 +194,14 @@ public function info($langs)
 	 *	Function to build a document on disk using the generic odt module.
 	 *
 	 *	@param		Entrepot	$object				Object source to build document
-	 *	@param		Translate	$outputlangs		Lang output object
-	 * 	@param		string		$srctemplatepath	Full path of source filename for generator using a template file
-	 *  @param		int			$hidedetails		Do not show line details
-	 *  @param		int			$hidedesc			Do not show desc
-	 *  @param		int			$hideref			Do not show ref
-	 *	@return		int         					1 if OK, <=0 if KO
+	 *  @param		Translate	$outputlangs		Lang output object
+	 *  @param		string		$srctemplatepath	Full path of source filename for generator using a template file
+	 *  @param		int<0,1>	$hidedetails		Do not show line details
+	 *  @param		int<0,1>	$hidedesc			Do not show desc
+	 *  @param		int<0,1>	$hideref			Do not show ref
+	 *  @return		int<-1,1>						1 if OK, <=0 if KO
 	 */
-	public function write_file($object, $outputlangs, $srctemplatepath, $hidedetails = 0, $hidedesc = 0, $hideref = 0)
+	public function write_file($object, $outputlangs, $srctemplatepath = '', $hidedetails = 0, $hidedesc = 0, $hideref = 0)
 	{
 		// phpcs:enable
 		global $stock, $langs, $conf, $mysoc, $hookmanager, $user;
@@ -321,7 +321,7 @@ public function write_file($object, $outputlangs, $srctemplatepath, $hidedetails
 				);
 				complete_substitutions_array($substitutionarray, $langs, $object);
 				// Call the ODTSubstitution hook
-				$parameters = array('file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$substitutionarray);
+				$parameters = array('file' => $file, 'object' => $object, 'outputlangs' => $outputlangs, 'substitutionarray' => &$substitutionarray);
 				$reshook = $hookmanager->executeHooks('ODTSubstitution', $parameters, $this, $action); // Note that $action and $object may have been modified by some hooks
 
 				// Line of free text
@@ -379,7 +379,7 @@ public function write_file($object, $outputlangs, $srctemplatepath, $hidedetails
 				complete_substitutions_array($tmparray, $outputlangs, $object);
 
 				// Call the ODTSubstitution hook
-				$parameters = array('file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$tmparray);
+				$parameters = array('file' => $file, 'object' => $object, 'outputlangs' => $outputlangs, 'substitutionarray' => &$tmparray);
 				$reshook = $hookmanager->executeHooks('ODTSubstitution', $parameters, $this, $action); // Note that $action and $object may have been modified by some hooks
 
 				foreach ($tmparray as $key => $value) {
@@ -411,7 +411,7 @@ public function write_file($object, $outputlangs, $srctemplatepath, $hidedetails
 						$array_lines = $this->get_substitutionarray_each_var_object($supplierprice, $outputlangs);
 						complete_substitutions_array($array_lines, $outputlangs, $object, $supplierprice, "completesubstitutionarray_lines");
 						// Call the ODTSubstitutionLine hook
-						$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$array_lines, 'line'=>$supplierprice);
+						$parameters = array('odfHandler' => &$odfHandler, 'file' => $file, 'object' => $object, 'outputlangs' => $outputlangs, 'substitutionarray' => &$array_lines, 'line' => $supplierprice);
 						$reshook = $hookmanager->executeHooks('ODTSubstitutionLine', $parameters, $this, $action); // Note that $action and $object may have been modified by some hooks
 						foreach ($array_lines as $key => $val) {
 							try {
@@ -442,7 +442,7 @@ public function write_file($object, $outputlangs, $srctemplatepath, $hidedetails
 				}
 
 				// Call the beforeODTSave hook
-				$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs);
+				$parameters = array('odfHandler' => &$odfHandler, 'file' => $file, 'object' => $object, 'outputlangs' => $outputlangs);
 				$reshook = $hookmanager->executeHooks('beforeODTSave', $parameters, $this, $action); // Note that $action and $object may have been modified by some hooks
 
 				// Write new file
@@ -470,7 +470,7 @@ public function write_file($object, $outputlangs, $srctemplatepath, $hidedetails
 
 				$odfHandler = null; // Destroy object
 
-				$this->result = array('fullpath'=>$file);
+				$this->result = array('fullpath' => $file);
 
 				return 1; // Success
 			} else {
diff --git a/htdocs/core/modules/stock/doc/pdf_standard_stock.modules.php b/htdocs/core/modules/stock/doc/pdf_standard_stock.modules.php
index 7ba20b6b1c9f6..97fedf1908489 100644
--- a/htdocs/core/modules/stock/doc/pdf_standard_stock.modules.php
+++ b/htdocs/core/modules/stock/doc/pdf_standard_stock.modules.php
@@ -121,15 +121,15 @@ public function __construct($db)
 
 	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
 	/**
-	 *	Function to build a document on disk using the generic odt module.
+	 *	Function to build a pdf on disk
 	 *
 	 *	@param		Entrepot	$object				Object source to build document
-	 *	@param		Translate	$outputlangs		Lang output object
-	 * 	@param		string		$srctemplatepath	Full path of source filename for generator using a template file
-	 *  @param		int			$hidedetails		Do not show line details
-	 *  @param		int			$hidedesc			Do not show desc
-	 *  @param		int			$hideref			Do not show ref
-	 *	@return		int         					1 if OK, <=0 if KO
+	 *  @param		Translate	$outputlangs		Lang output object
+	 *  @param		string		$srctemplatepath	Full path of source filename for generator using a template file
+	 *  @param		int<0,1>	$hidedetails		Do not show line details
+	 *  @param		int<0,1>	$hidedesc			Do not show desc
+	 *  @param		int<0,1>	$hideref			Do not show ref
+	 *  @return		int<-1,1>						1 if OK, <=0 if KO
 	 */
 	public function write_file($object, $outputlangs, $srctemplatepath = '', $hidedetails = 0, $hidedesc = 0, $hideref = 0)
 	{
diff --git a/htdocs/core/modules/stock/modules_stock.php b/htdocs/core/modules/stock/modules_stock.php
index cd5ad31db4469..7e7262ef87d7b 100644
--- a/htdocs/core/modules/stock/modules_stock.php
+++ b/htdocs/core/modules/stock/modules_stock.php
@@ -53,9 +53,9 @@ abstract class ModelePDFStock extends CommonDocGenerator
 	/**
 	 *  Return list of active generation modules
 	 *
-	 *  @param  DoliDB      $db                 Database handler
-	 *  @param  integer     $maxfilenamelength  Max length of value to show
-	 *  @return array                           List of templates
+	 *  @param  DoliDB  	$db                 Database handler
+	 *  @param  int<0,max>	$maxfilenamelength  Max length of value to show
+	 *  @return string[]|int<-1,0>				List of templates
 	 */
 	public static function liste_modeles($db, $maxfilenamelength = 0)
 	{
@@ -68,4 +68,20 @@ public static function liste_modeles($db, $maxfilenamelength = 0)
 
 		return $list;
 	}
+
+
+	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
+	/**
+	 *	Function to build a document
+	 *
+	 *	@param		Entrepot	$object				Object source to build document
+	 *  @param		Translate	$outputlangs		Lang output object
+	 *  @param		string		$srctemplatepath	Full path of source filename for generator using a template file
+	 *  @param		int<0,1>	$hidedetails		Do not show line details
+	 *  @param		int<0,1>	$hidedesc			Do not show desc
+	 *  @param		int<0,1>	$hideref			Do not show ref
+	 *  @return		int<-1,1>						1 if OK, <=0 if KO
+	 */
+	abstract public function write_file($object, $outputlangs, $srctemplatepath = '', $hidedetails = 0, $hidedesc = 0, $hideref = 0);
+	// phpcs:enable
 }
diff --git a/htdocs/core/modules/stocktransfer/doc/pdf_eagle.modules.php b/htdocs/core/modules/stocktransfer/doc/pdf_eagle.modules.php
index fd73c16962bb4..edc18fc827a96 100644
--- a/htdocs/core/modules/stocktransfer/doc/pdf_eagle.modules.php
+++ b/htdocs/core/modules/stocktransfer/doc/pdf_eagle.modules.php
@@ -163,17 +163,18 @@ public function __construct(DoliDB $db)
 		}*/
 	}
 
+
 	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
 	/**
 	 *	Function to build pdf onto disk
 	 *
 	 *	@param		StockTransfer	$object				Object StockTransfer to generate (or id if old method)
-	 *	@param		Translate		$outputlangs		Lang output object
+	 *  @param		Translate		$outputlangs		Lang output object
 	 *  @param		string			$srctemplatepath	Full path of source filename for generator using a template file
-	 *  @param		int				$hidedetails		Do not show line details
-	 *  @param		int				$hidedesc			Do not show desc
-	 *  @param		int				$hideref			Do not show ref
-	 *  @return     int         	    				1=OK, 0=KO
+	 *  @param		int<0,1>		$hidedetails		Do not show line details
+	 *  @param		int<0,1>		$hidedesc			Do not show desc
+	 *  @param		int<0,1>		$hideref			Do not show ref
+	 *  @return		int<-1,1>							1 if OK, <=0 if KO
 	 */
 	public function write_file($object, $outputlangs, $srctemplatepath = '', $hidedetails = 0, $hidedesc = 0, $hideref = 0)
 	{
diff --git a/htdocs/core/modules/stocktransfer/doc/pdf_eagle_proforma.modules.php b/htdocs/core/modules/stocktransfer/doc/pdf_eagle_proforma.modules.php
index d2340b2cf5aa1..f55e52ad920cd 100644
--- a/htdocs/core/modules/stocktransfer/doc/pdf_eagle_proforma.modules.php
+++ b/htdocs/core/modules/stocktransfer/doc/pdf_eagle_proforma.modules.php
@@ -135,15 +135,15 @@ public function __construct($db)
 
 	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
 	/**
-	 *  Function to build pdf onto disk
+	 *	Function to build pdf onto disk
 	 *
-	 *  @param		Object		$object				Object to generate
-	 *  @param		Translate	$outputlangs		Lang output object
-	 *  @param		string		$srctemplatepath	Full path of source filename for generator using a template file
-	 *  @param		int			$hidedetails		Do not show line details
-	 *  @param		int			$hidedesc			Do not show desc
-	 *  @param		int			$hideref			Do not show ref
-	 *  @return     int             			    1=OK, 0=KO
+	 *	@param		StockTransfer	$object				Object StockTransfer to generate (or id if old method)
+	 *  @param		Translate		$outputlangs		Lang output object
+	 *  @param		string			$srctemplatepath	Full path of source filename for generator using a template file
+	 *  @param		int<0,1>		$hidedetails		Do not show line details
+	 *  @param		int<0,1>		$hidedesc			Do not show desc
+	 *  @param		int<0,1>		$hideref			Do not show ref
+	 *  @return		int<-1,1>							1 if OK, <=0 if KO
 	 */
 	public function write_file($object, $outputlangs, $srctemplatepath = '', $hidedetails = 0, $hidedesc = 0, $hideref = 0)
 	{
diff --git a/htdocs/core/modules/stocktransfer/modules_stocktransfer.php b/htdocs/core/modules/stocktransfer/modules_stocktransfer.php
index c68ae5d3d7a33..4c60a966d9aee 100644
--- a/htdocs/core/modules/stocktransfer/modules_stocktransfer.php
+++ b/htdocs/core/modules/stocktransfer/modules_stocktransfer.php
@@ -43,9 +43,9 @@ abstract class ModelePDFStockTransfer extends CommonDocGenerator
 	/**
 	 *  Return list of active generation modules
 	 *
-	 *  @param	DoliDB	$db     			Database handler
-	 *  @param  integer	$maxfilenamelength  Max length of value to show
-	 *  @return	array						List of templates
+	 *  @param  DoliDB  	$db                 Database handler
+	 *  @param  int<0,max>	$maxfilenamelength  Max length of value to show
+	 *  @return string[]|int<-1,0>				List of templates
 	 */
 	public static function liste_modeles($db, $maxfilenamelength = 0)
 	{
@@ -58,6 +58,20 @@ public static function liste_modeles($db, $maxfilenamelength = 0)
 
 		return $list;
 	}
+
+	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
+	/**
+	 *	Function to build document onto disk
+	 *
+	 *	@param		StockTransfer	$object				Object StockTransfer to generate (or id if old method)
+	 *  @param		Translate		$outputlangs		Lang output object
+	 *  @param		string			$srctemplatepath	Full path of source filename for generator using a template file
+	 *  @param		int<0,1>		$hidedetails		Do not show line details
+	 *  @param		int<0,1>		$hidedesc			Do not show desc
+	 *  @param		int<0,1>		$hideref			Do not show ref
+	 *  @return		int<-1,1>							1 if OK, <=0 if KO
+	 */
+	abstract public function write_file($object, $outputlangs, $srctemplatepath = '', $hidedetails = 0, $hidedesc = 0, $hideref = 0);
 }