[FIXED] Wrong use of passing by reference.

src/PhpWord/Element/AbstractElement.php

@@ -128,10 +128,10 @@ abstract class AbstractElement
     /**
      * Set PhpWord as reference.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @return void
      */
-    public function setPhpWord(PhpWord &$phpWord = null)
+    public function setPhpWord(PhpWord $phpWord)
     {
         $this->phpWord = $phpWord;
     }
@@ -285,8 +285,7 @@ abstract class AbstractElement
         }
 
         // Set phpword
-        $phpWord = $container->getPhpWord();
+        $this->setPhpWord($container->getPhpWord());
-        $this->setPhpWord($phpWord);
 
         // Set doc part
         if (!$this instanceof Footnote) {

src/PhpWord/Media.php

@@ -38,13 +38,13 @@ class Media
      * @param string $container section|headerx|footerx|footnote|endnote
      * @param string $mediaType image|object|link
      * @param string $source
-     * @param \PhpOffice\PhpWord\Element\Image &$image
+     * @param \PhpOffice\PhpWord\Element\Image $image
      * @return integer
      * @throws \PhpOffice\PhpWord\Exception\Exception
      * @since 0.9.2
      * @since 0.10.0
      */
-    public static function addElement($container, $mediaType, $source, Image &$image = null)
+    public static function addElement($container, $mediaType, $source, Image $image = null)
     {
         // Assign unique media Id and initiate media container if none exists
         $mediaId = md5($container . $source);

src/PhpWord/Reader/ODText.php

@@ -53,14 +53,14 @@ class ODText extends AbstractReader implements ReaderInterface
     /**
      * Read document part.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @param array $relationships
      * @param string $partName
      * @param string $docFile
      * @param string $xmlFile
      * @return void
      */
-    private function readPart(PhpWord &$phpWord, $relationships, $partName, $docFile, $xmlFile)
+    private function readPart(PhpWord $phpWord, $relationships, $partName, $docFile, $xmlFile)
     {
         $partClass = "PhpOffice\\PhpWord\\Reader\\ODText\\{$partName}";
         if (class_exists($partClass)) {
@@ -69,7 +69,6 @@ class ODText extends AbstractReader implements ReaderInterface
             $part->setRels($relationships);
             $part->read($phpWord);
         }
-
     }
 
     /**

src/PhpWord/Reader/ODText/Content.php

@@ -30,10 +30,10 @@ class Content extends AbstractPart
     /**
      * Read content.xml.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @return void
      */
-    public function read(PhpWord &$phpWord)
+    public function read(PhpWord $phpWord)
     {
         $xmlReader = new XMLReader();
         $xmlReader->getDomFromZip($this->docFile, $this->xmlFile);

src/PhpWord/Reader/ODText/Meta.php

@@ -30,11 +30,11 @@ class Meta extends AbstractPart
     /**
      * Read meta.xml.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @return void
      * @todo Process property type
      */
-    public function read(PhpWord &$phpWord)
+    public function read(PhpWord $phpWord)
     {
         $xmlReader = new XMLReader();
         $xmlReader->getDomFromZip($this->docFile, $this->xmlFile);

src/PhpWord/Reader/RTF/Document.php

@@ -129,11 +129,11 @@ class Document
      * - Builds control words and control symbols
      * - Pushes every other character into the text queue
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @return void
      * @todo Use `fread` stream for scalability
      */
-    public function read(PhpWord &$phpWord)
+    public function read(PhpWord $phpWord)
     {
         $markers = array(
             123 => 'markOpening',   // {

src/PhpWord/Reader/Word2007.php

@@ -77,14 +77,14 @@ class Word2007 extends AbstractReader implements ReaderInterface
     /**
      * Read document part.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @param array $relationships
      * @param string $partName
      * @param string $docFile
      * @param string $xmlFile
      * @return void
      */
-    private function readPart(PhpWord &$phpWord, $relationships, $partName, $docFile, $xmlFile)
+    private function readPart(PhpWord $phpWord, $relationships, $partName, $docFile, $xmlFile)
     {
         $partClass = "PhpOffice\\PhpWord\\Reader\\Word2007\\{$partName}";
         if (class_exists($partClass)) {

src/PhpWord/Reader/Word2007/AbstractPart.php

@@ -64,7 +64,7 @@ abstract class AbstractPart
     /**
      * Read part.
      */
-    abstract public function read(PhpWord &$phpWord);
+    abstract public function read(PhpWord $phpWord);
 
     /**
      * Create new instance

src/PhpWord/Reader/Word2007/DocPropsCore.php

@@ -54,10 +54,10 @@ class DocPropsCore extends AbstractPart
     /**
      * Read core/extended document properties.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @return void
      */
-    public function read(PhpWord &$phpWord)
+    public function read(PhpWord $phpWord)
     {
         $xmlReader = new XMLReader();
         $xmlReader->getDomFromZip($this->docFile, $this->xmlFile);

src/PhpWord/Reader/Word2007/DocPropsCustom.php

@@ -31,10 +31,10 @@ class DocPropsCustom extends AbstractPart
     /**
      * Read custom document properties.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @return void
      */
-    public function read(PhpWord &$phpWord)
+    public function read(PhpWord $phpWord)
     {
         $xmlReader = new XMLReader();
         $xmlReader->getDomFromZip($this->docFile, $this->xmlFile);

src/PhpWord/Reader/Word2007/Document.php

@@ -39,10 +39,10 @@ class Document extends AbstractPart
     /**
      * Read document.xml.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @return void
      */
-    public function read(PhpWord &$phpWord)
+    public function read(PhpWord $phpWord)
     {
         $this->phpWord = $phpWord;
         $xmlReader = new XMLReader();

src/PhpWord/Reader/Word2007/Footnotes.php

@@ -44,10 +44,10 @@ class Footnotes extends AbstractPart
     /**
      * Read (footnotes|endnotes).xml.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @return void
      */
-    public function read(PhpWord &$phpWord)
+    public function read(PhpWord $phpWord)
     {
         $getMethod = "get{$this->collection}";
         $collection = $phpWord->$getMethod()->getItems();

src/PhpWord/Reader/Word2007/Numbering.php

@@ -30,10 +30,10 @@ class Numbering extends AbstractPart
     /**
      * Read numbering.xml.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @return void
      */
-    public function read(PhpWord &$phpWord)
+    public function read(PhpWord $phpWord)
     {
         $abstracts = array();
         $numberings = array();

src/PhpWord/Reader/Word2007/Styles.php

@@ -30,10 +30,10 @@ class Styles extends AbstractPart
     /**
      * Read styles.xml.
      *
-     * @param \PhpOffice\PhpWord\PhpWord &$phpWord
+     * @param \PhpOffice\PhpWord\PhpWord $phpWord
      * @return void
      */
-    public function read(PhpWord &$phpWord)
+    public function read(PhpWord $phpWord)
     {
         $xmlReader = new XMLReader();
         $xmlReader->getDomFromZip($this->docFile, $this->xmlFile);

src/PhpWord/Template.php

@@ -106,13 +106,13 @@ class Template
     /**
      * Applies XSL style sheet to template's parts.
      *
-     * @param \DOMDocument &$xslDOMDocument
+     * @param \DOMDocument $xslDOMDocument
      * @param array $xslOptions
      * @param string $xslOptionsURI
      * @return void
      * @throws \PhpOffice\PhpWord\Exception\Exception
      */
-    public function applyXslStyleSheet(&$xslDOMDocument, $xslOptions = array(), $xslOptionsURI = '')
+    public function applyXslStyleSheet($xslDOMDocument, $xslOptions = array(), $xslOptionsURI = '')
     {
         $processor = new \XSLTProcessor();