add option to clear the files in the static streamwrapper

diff --git a/lib/files/stream/staticstream.php b/lib/files/stream/staticstream.php
index 7725a6a5a0458c0a5b4930e8e70d47464caa5888..1e3879a4e82babb73522c619b7e953844f922dca 100644 (file)
--- a/lib/files/stream/staticstream.php
+++ b/lib/files/stream/staticstream.php
@@ -26,6 +26,10 @@ class StaticStream {
        public function stream_flush() {
        }
 
+       public static function clear() {
+               self::$data = array();
+       }
+
        public function stream_open($path, $mode, $options, &$opened_path) {
                switch ($mode[0]) {
                        case 'r':