MS Word report corrupted DOCX when there's more than 1 section and footnote applied not on the first section. OO is fine.

Bug source: [Content-Types].xml entry is different with document.xml.rels

Author: ivanlanin

Classes/PHPWord/Section.php

@@ -422,6 +422,9 @@ public function createFooter()
      */
     public function getFooter()
     {
+        if (!($this->_footer instanceOf PHPWord_Section_Footer)) {
+            $this->_footer = new PHPWord_Section_Footer($this->_sectionCount);
+        }
         return $this->_footer;
     }
 

Classes/PHPWord/Writer/Word2007.php

@@ -139,14 +139,12 @@ public function save($pFilename = null)
                 }
 
                 $_footer = $section->getFooter();
-                if (!is_null($_footer)) {
-                    $_cFtrs++;
-                    $_footer->setRelationId(++$rID);
-                    $_footerCount = $_footer->getFooterCount();
-                    $_footerFile = 'footer' . $_footerCount . '.xml';
-                    $sectionElements[] = array('target' => $_footerFile, 'type' => 'footer', 'rID' => $rID);
-                    $objZip->addFromString('word/' . $_footerFile, $this->getWriterPart('footer')->writeFooter($_footer));
-                }
+                $_cFtrs++;
+                $_footer->setRelationId(++$rID);
+                $_footerCount = $_footer->getFooterCount();
+                $_footerFile = 'footer' . $_footerCount . '.xml';
+                $sectionElements[] = array('target' => $_footerFile, 'type' => 'footer', 'rID' => $rID);
+                $objZip->addFromString('word/' . $_footerFile, $this->getWriterPart('footer')->writeFooter($_footer));
             }
 
             if (PHPWord_Footnote::countFootnoteElements() > 0) {