From 45acc5a46f4db5c5cbeb8308e6de3d76ff867543 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Fri, 24 Sep 2010 02:10:06 +0000
Subject: - Patch #921098 by munzirtaha: !is_null() should be replaced by
 isset() because it's faster.

---
 includes/file.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'includes')

diff --git a/includes/file.inc b/includes/file.inc
index a6f7097ec..2d7b4dc6f 100644
--- a/includes/file.inc
+++ b/includes/file.inc
@@ -1296,7 +1296,7 @@ function file_space_used($uid = NULL, $status = FILE_STATUS_PERMANENT) {
   $query = db_select('file_managed', 'f');
   $query->condition('f.status', $status);
   $query->addExpression('SUM(f.filesize)', 'filesize');
-  if (!is_null($uid)) {
+  if (isset($uid)) {
     $query->condition('f.uid', $uid);
   }
   return $query->execute()->fetchField();
-- 
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