From b7831cc93313a0e56186df41d11c9bdcfb881bae Mon Sep 17 00:00:00 2001
From: Grzegorz Daszuta <grzegorz.daszuta@codewave.pl>
Date: Thu, 2 Apr 2015 12:54:56 +0200
Subject: [PATCH] allow numeric 0

---
 src/Spout/Writer/Internal/XLSX/Worksheet.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Spout/Writer/Internal/XLSX/Worksheet.php b/src/Spout/Writer/Internal/XLSX/Worksheet.php
index 124feb2..6d6dab5 100644
--- a/src/Spout/Writer/Internal/XLSX/Worksheet.php
+++ b/src/Spout/Writer/Internal/XLSX/Worksheet.php
@@ -135,9 +135,6 @@ EOD;
             $data .= '            <c r="' . $columnIndex . $rowIndex . '"';
 
             switch(true) {
-                case empty($cellValue):
-                    $data .= '/>' . PHP_EOL;
-                    break;
                 case gettype($cellValue) === 'integer':
                 case gettype($cellValue) === 'boolean':
                 case gettype($cellValue) === 'float':
@@ -154,6 +151,9 @@ EOD;
                         $data .= ' t="s"><v>' . $sharedStringId . '</v></c>' . PHP_EOL;
                     }
                     break;
+                case empty($cellValue):
+                    $data .= '/>' . PHP_EOL;
+                    break;
                 default:
                     throw new InvalidDataException("Invalid data type " . gettype($cellValue));
             }