fix documentation

src/PhpWord/Element/OLEObject.php

@@ -83,7 +83,7 @@ class OLEObject extends AbstractElement
             $this->style = $this->setNewStyle(new ImageStyle(), $style, true);
             $this->icon = realpath(__DIR__ . "/../resources/{$ext}.png");
 
-            return $this;
+            return;
         }
 
         throw new InvalidObjectException();

src/PhpWord/Element/PreserveText.php

@@ -29,7 +29,7 @@ class PreserveText extends AbstractElement
     /**
      * Text content
      *
-     * @var string
+     * @var string|array
      */
     private $text;
 
@@ -64,8 +64,6 @@ class PreserveText extends AbstractElement
         if (isset($matches[0])) {
             $this->text = $matches;
         }
-
-        return $this;
     }
 
     /**
@@ -91,7 +89,7 @@ class PreserveText extends AbstractElement
     /**
      * Get Text content
      *
-     * @return string
+     * @return string|array
      */
     public function getText()
     {

src/PhpWord/Element/Title.php

@@ -74,8 +74,6 @@ class Title extends AbstractElement
         if (array_key_exists($styleName, Style::getStyles())) {
             $this->style = str_replace('_', '', $styleName);
         }
-
-        return $this;
     }
 
     /**

src/PhpWord/Metadata/Protection.php

@@ -113,7 +113,7 @@ class Protection
     /**
      * Set password
      *
-     * @param $password
+     * @param string $password
      * @return self
      */
     public function setPassword($password)
@@ -136,7 +136,7 @@ class Protection
     /**
      * Set count for hash iterations
      *
-     * @param $spinCount
+     * @param int $spinCount
      * @return self
      */
     public function setSpinCount($spinCount)
@@ -159,7 +159,7 @@ class Protection
     /**
      * Set algorithm
      *
-     * @param $algorithm
+     * @param string $algorithm
      * @return self
      */
     public function setAlgorithm($algorithm)

src/PhpWord/Reader/Word2007/Settings.php

@@ -81,7 +81,7 @@ class Settings extends AbstractPart
      *
      * @param XMLReader $xmlReader
      * @param PhpWord $phpWord
-     * @param \DOMNode $node
+     * @param \DOMElement $node
      */
     protected function setThemeFontLang(XMLReader $xmlReader, PhpWord $phpWord, \DOMElement $node)
     {
@@ -102,7 +102,7 @@ class Settings extends AbstractPart
      *
      * @param XMLReader $xmlReader
      * @param PhpWord $phpWord
-     * @param \DOMNode $node
+     * @param \DOMElement $node
      */
     protected function setDocumentProtection(XMLReader $xmlReader, PhpWord $phpWord, \DOMElement $node)
     {
@@ -119,7 +119,7 @@ class Settings extends AbstractPart
      *
      * @param XMLReader $xmlReader
      * @param PhpWord $phpWord
-     * @param \DOMNode $node
+     * @param \DOMElement $node
      */
     protected function setProofState(XMLReader $xmlReader, PhpWord $phpWord, \DOMElement $node)
     {
@@ -141,7 +141,7 @@ class Settings extends AbstractPart
      *
      * @param XMLReader $xmlReader
      * @param PhpWord $phpWord
-     * @param \DOMNode $node
+     * @param \DOMElement $node
      */
     protected function setZoom(XMLReader $xmlReader, PhpWord $phpWord, \DOMElement $node)
     {
@@ -158,7 +158,7 @@ class Settings extends AbstractPart
      *
      * @param XMLReader $xmlReader
      * @param PhpWord $phpWord
-     * @param \DOMNode $node
+     * @param \DOMElement $node
      */
     protected function setRevisionView(XMLReader $xmlReader, PhpWord $phpWord, \DOMElement $node)
     {

src/PhpWord/Writer/RTF/Style/Indentation.php

@@ -33,7 +33,7 @@ class Indentation extends AbstractStyle
     {
         $style = $this->getStyle();
         if (!$style instanceof \PhpOffice\PhpWord\Style\Indentation) {
-            return;
+            return '';
         }
 
         $content = '\fi' . $style->getFirstLine();