document getImageSize() return format

Return array should return the same kind of array that PHP
internal method getimagesize() returns. See upstream doc:

  http://www.php.net/getimagesize

diff --git a/includes/media/Generic.php b/includes/media/Generic.php
index 4c36720..5c16405 100644 (file)
--- a/includes/media/Generic.php
+++ b/includes/media/Generic.php
@@ -89,7 +89,7 @@ abstract class MediaHandler {
         *
         * @param $image File: the image object, or false if there isn't one
         * @param $path String: the filename
-        * @return Array
+        * @return Array Follow the format of PHP getimagesize() internal function. See http://www.php.net/getimagesize
         */
        abstract function getImageSize( $image, $path );