Ticket #28748: ms-files-action.diff

src/wp-includes/ms-files.php

@@ -16 +16 @@
 
 ms_file_constants();
 
+/**
+ * Fires before file loading process for Multisite medias starts.
+ *
+ * @since 
+ */
+do_action( 'ms_load_files' );
+
 error_reporting( 0 );
 
 if ( $current_blog->archived == '1' || $current_blog->spam == '1' || $current_blog->deleted == '1' ) {