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-rw-r--r--system/database/DB_utility.php4
1 files changed, 2 insertions, 2 deletions
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 '';
}
}