replace old syntax, rename pdf models with same class name (#30271)

* replace old syntax

* replace old syntax

* replace old syntax

* replace old syntax

* rename files with same class name

* rename files with same class name

* rename files with same class name

* rename files with same class name

* rename files with same class name

* rename files with same class name

* rename files with same class name

* rename files with same class name

* rename files with same class name

* rename files with same class name

* rename files with same class name

* fix class with same name

* fix class with same name

* clean code

htdocs/core/modules/action/doc/pdf_standard_actions.class.php

@@ -3,6 +3,7 @@
  * Copyright (C) 2004-2012 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2005-2009 Regis Houssin        <regis.houssin@inodbox.com>
  * Copyright (C) 2024		MDW							<mdeweerd@users.noreply.github.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
@@ -166,7 +167,7 @@ class pdf_standard_actions
 
 			$pdf = pdf_getInstance($this->format);
 			$heightforinfotot = 50; // Height reserved to output the info and total part
-			$heightforfreetext = (isset($conf->global->MAIN_PDF_FREETEXT_HEIGHT) ? $conf->global->MAIN_PDF_FREETEXT_HEIGHT : 5); // Height reserved to output the free text on last page
+			$heightforfreetext = getDolGlobalInt('MAIN_PDF_FREETEXT_HEIGHT', 5); // Height reserved to output the free text on last page
 			$heightforfooter = $this->marge_basse + 8; // Height reserved to output the footer (value include bottom margin)
 			$pdf->SetAutoPageBreak(1, 0);