From cea5fb713822d00460222deaa1cf66543effccf8 Mon Sep 17 00:00:00 2001
From: Gabriel Potkány <gadelat@gmail.com>
Date: Wed, 4 Feb 2015 08:22:06 +0100
Subject: Adjusted returns/return types to suggestions

---
 system/database/DB_utility.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'system/database/DB_utility.php')

diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php
index ecfda522c..9eac2ec41 100644
--- a/system/database/DB_utility.php
+++ b/system/database/DB_utility.php
@@ -316,7 +316,7 @@ abstract class CI_DB_utility {
 	 * Database Backup
 	 *
 	 * @param	array	$params
-	 * @return	mixed
+	 * @return	string
 	 */
 	public function backup($params = array())
 	{
@@ -417,7 +417,7 @@ abstract class CI_DB_utility {
 			return gzencode($this->_backup($prefs));
 		}
 
-		return;
+		return '';
 	}
 
 }
-- 
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