Merge pull request #5 from magento-gl/php84_deprication_fix

Php84 deprication fix

Author: glo71317

library/Zend/Pdf.php

@@ -1013,7 +1013,7 @@ public function getOpenAction()
      * @param Zend_Pdf_Target $openAction
      * @returns Zend_Pdf
      */
-    public function setOpenAction(Zend_Pdf_Target $openAction = null)
+    public function setOpenAction(?Zend_Pdf_Target $openAction = null)
     {
         $root = $this->_trailer->Root;
         $root->touch();

library/Zend/Pdf/Action.php

@@ -112,7 +112,7 @@ public function __construct(Zend_Pdf_Element $dictionary, SplObjectStorage $proc
      * @return Zend_Pdf_Action
      * @throws Zend_Pdf_Exception
      */
-    public static function load(Zend_Pdf_Element $dictionary, SplObjectStorage $processedActions = null)
+    public static function load(Zend_Pdf_Element $dictionary, ?SplObjectStorage $processedActions = null)
     {
         if ($processedActions === null) {
             $processedActions = new SplObjectStorage();
@@ -252,7 +252,7 @@ public function getResource()
      * @param SplObjectStorage $processedActions  list of already processed actions (used to prevent infinity loop caused by cyclic references)
      * @return Zend_Pdf_Element_Object|Zend_Pdf_Element_Reference   Dictionary indirect object
      */
-    public function dumpAction(Zend_Pdf_ElementFactory_Interface $factory, SplObjectStorage $processedActions = null)
+    public function dumpAction(Zend_Pdf_ElementFactory_Interface $factory, ?SplObjectStorage $processedActions = null)
     {
         if ($processedActions === null) {
             $processedActions = new SplObjectStorage();

library/Zend/Pdf/Outline.php

@@ -325,8 +325,8 @@ public function openOutlinesCount()
     abstract public function dumpOutline(Zend_Pdf_ElementFactory_Interface $factory,
                                                                            $updateNavigation,
                                                           Zend_Pdf_Element $parent,
-                                                          Zend_Pdf_Element $prev = null,
-                                                          SplObjectStorage $processedOutlines = null);
+                                                          ?Zend_Pdf_Element $prev = null,
+                                                          ?SplObjectStorage $processedOutlines = null);
 
 
     ////////////////////////////////////////////////////////////////////////

library/Zend/Pdf/Outline/Created.php

@@ -202,8 +202,8 @@ public function __construct($options = array())
     public function dumpOutline(Zend_Pdf_ElementFactory_Interface $factory,
                                                                   $updateNavigation,
                                                  Zend_Pdf_Element $parent,
-                                                 Zend_Pdf_Element $prev = null,
-                                                 SplObjectStorage $processedOutlines = null)
+                                                 ?Zend_Pdf_Element $prev = null,
+                                                 ?SplObjectStorage $processedOutlines = null)
     {
         if ($processedOutlines === null) {
             $processedOutlines = new SplObjectStorage();

library/Zend/Pdf/Outline/Loaded.php

@@ -308,7 +308,7 @@ public function setOptions(array $options)
      * @return Zend_Pdf_Action
      * @throws Zend_Pdf_Exception
      */
-    public function __construct(Zend_Pdf_Element $dictionary, SplObjectStorage $processedDictionaries = null)
+    public function __construct(Zend_Pdf_Element $dictionary, ?SplObjectStorage $processedDictionaries = null)
     {
         if ($dictionary->getType() != Zend_Pdf_Element::TYPE_DICTIONARY) {
             #require_once 'Zend/Pdf/Exception.php';
@@ -372,8 +372,8 @@ public function __construct(Zend_Pdf_Element $dictionary, SplObjectStorage $proc
     public function dumpOutline(Zend_Pdf_ElementFactory_Interface $factory,
                                                                   $updateNavigation,
                                                  Zend_Pdf_Element $parent,
-                                                 Zend_Pdf_Element $prev = null,
-                                                 SplObjectStorage $processedOutlines = null)
+                                                 ?Zend_Pdf_Element $prev = null,
+                                                 ?SplObjectStorage $processedOutlines = null)
     {
         if ($processedOutlines === null) {
             $processedOutlines = new SplObjectStorage();

library/Zend/Pdf/Resource/GraphicsState.php

@@ -50,7 +50,7 @@ class Zend_Pdf_Resource_GraphicsState extends Zend_Pdf_Resource
      * @param Zend_Pdf_Element_Object $extGStateObject
      * @throws Zend_Pdf_Exception
      */
-    public function __construct(Zend_Pdf_Element_Object $extGStateObject = null)
+    public function __construct(?Zend_Pdf_Element_Object $extGStateObject = null)
     {
         if ($extGStateObject == null) {
             // Create new Graphics State object

library/Zend/Pdf/Trailer/Keeper.php

@@ -57,7 +57,7 @@ class Zend_Pdf_Trailer_Keeper extends Zend_Pdf_Trailer
      */
     public function __construct(Zend_Pdf_Element_Dictionary $dict,
                                 Zend_Pdf_Element_Reference_Context $context,
-                                Zend_Pdf_Trailer $prev = null)
+                                ?Zend_Pdf_Trailer $prev = null)
     {
         parent::__construct($dict);