From a601b17d9d7453cf37e5527484ffde28c3a32964 Mon Sep 17 00:00:00 2001
From: Lewis Cowles <lewiscowles@me.com>
Date: Tue, 30 Jun 2015 23:01:16 +0100
Subject: [PATCH] Update XLSX.php

---
 src/Spout/Reader/XLSX.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Spout/Reader/XLSX.php b/src/Spout/Reader/XLSX.php
index 51dc73c..c54fdf1 100644
--- a/src/Spout/Reader/XLSX.php
+++ b/src/Spout/Reader/XLSX.php
@@ -242,7 +242,10 @@ class XLSX extends AbstractReader
         // all other cell types should have a "v" tag containing the value.
         // if not, the returned value should be empty string.
         $vNode = $node->getElementsByTagName('v')->item(0);
-        return $vNode->nodeValue;
+        if ($vNode !== null) {
+            return $vNode->nodeValue;
+        }
+        return "";
     }
     
     /**