From 7c8ff2884bcbd0e075929e221580d3e266d97a29 Mon Sep 17 00:00:00 2001
From: jogo <jonnsn@gmail.com>
Date: Fri, 4 Jul 2014 15:31:48 +0200
Subject: [PATCH] add sample fix undefined Index

---
 samples/Sample_35_InternalLink.php | 22 ++++++++++++++++++++++
 src/PhpWord/PhpWord.php            |  2 +-
 2 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 samples/Sample_35_InternalLink.php

diff --git a/samples/Sample_35_InternalLink.php b/samples/Sample_35_InternalLink.php
new file mode 100644
index 00000000..3b6aae51
--- /dev/null
+++ b/samples/Sample_35_InternalLink.php
@@ -0,0 +1,22 @@
+<?php
+include_once 'Sample_Header.php';
+
+// New Word document
+echo date('H:i:s'), " Create new PhpWord object", EOL;
+$phpWord = new \PhpOffice\PhpWord\PhpWord();
+
+$section = $phpWord->addSection();
+$section->addTitle( 'This is page 1', 1 );
+$linkIsInternal = true;
+$section->addLink('MyBookmark', 'Take me to page 3', null ,null,$linkIsInternal);
+$section->addPageBreak();
+$section->addTitle( 'This is page 2', 1 );
+$section->addPageBreak();
+$section->addTitle( 'This is page 3', 1 );
+$section->addBookmark('MyBookmark');
+
+// Save file
+echo write($phpWord, basename(__FILE__, '.php'), $writers);
+if (!CLI) {
+    include_once 'Sample_Footer.php';
+}
diff --git a/src/PhpWord/PhpWord.php b/src/PhpWord/PhpWord.php
index 419af4be..cde4351e 100644
--- a/src/PhpWord/PhpWord.php
+++ b/src/PhpWord/PhpWord.php
@@ -139,7 +139,7 @@ class PhpWord
             /** @var \PhpOffice\PhpWord\Collection\AbstractCollection $collectionObject */
             $collectionObject = $this->collections[$key];
 
-            return $collectionObject->addItem($args[0]);
+            return $collectionObject->addItem(array_key_exists(0,$args) ? $args[0] : null);
         }
 
         // Run add style method