resourceloader: Cut down on file stat time in safeFilemtime()

* If stat cache is not enabled, this used to do two queries.

Change-Id: Icfed675b27f952ec13b9d0af3e345b1486ea7c8f

diff --git a/includes/resourceloader/ResourceLoaderModule.php b/includes/resourceloader/ResourceLoaderModule.php
index d689044..572428e 100644 (file)
--- a/includes/resourceloader/ResourceLoaderModule.php
+++ b/includes/resourceloader/ResourceLoaderModule.php
@@ -636,9 +636,10 @@ abstract class ResourceLoaderModule {
         * @return int UNIX timestamp
         */
        protected static function safeFilemtime( $filename ) {
-               if ( !file_exists( $filename ) ) {
-                       return 1;
-               }
-               return filemtime( $filename );
+               wfSuppressWarnings();
+               $mtime = filemtime( $filename ) ?: 1;
+               wfRestoreWarnings();
+
+               return $mtime;
        }
 }