Footnote fix

Classes/PHPWord/Writer/Word2007/ContentTypes.php

@@ -138,6 +138,13 @@ class PHPWord_Writer_Word2007_ContentTypes extends PHPWord_Writer_Word2007_Write
             'application/vnd.openxmlformats-officedocument.wordprocessingml.fontTable+xml'
         );
 
+        // Footnotes
+        $this->_writeOverrideContentType(
+            $objWriter,
+            '/word/footnotes.xml',
+            'application/vnd.openxmlformats-officedocument.wordprocessingml.footnotes+xml'
+        );
+
         for ($i = 1; $i <= $_cHdrs; $i++) {
             $this->_writeOverrideContentType(
                 $objWriter,

Tests/PHPWord/Writer/Word2007/FootnotesTest.php

@@ -0,0 +1,34 @@
+<?php
+namespace PHPWord\Tests\Writer\Word2007;
+
+use PHPWord;
+use PHPWord\Tests\TestHelperDOCX;
+
+/**
+ * Class PHPWord_Writer_Word2007_FootnotesTest
+ * @package PHPWord\Tests
+ * @runTestsInSeparateProcesses
+ */
+class FootnotesTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Executed before each method of the class
+     */
+    public function tearDown()
+    {
+        TestHelperDOCX::clear();
+    }
+
+    public function testWriteFootnotes()
+    {
+        $PHPWord = new PHPWord();
+        $section = $PHPWord->createSection();
+        $section->addText('Text');
+        $footnote = $section->createFootnote();
+        $footnote->addText('Footnote');
+        $footnote->addLink('http://google.com');
+        $doc = TestHelperDOCX::getDocument($PHPWord);
+
+        $this->assertEquals(1, 1);
+    }
+}