Support for rmdir().
Directory will never be deleted as this is a read-only stream wrapper.
string $uri: A string containing the URI to the directory to delete.
int $options: A bit mask of STREAM_REPORT_ERRORS.
bool FALSE as directory will never be deleted.
Overrides LocalStream::rmdir
http://php.net/manual/en/streamwrapper.rmdir.php
public function rmdir($uri, $options) {
trigger_error('rmdir() not supported for read-only stream wrappers', E_USER_WARNING);
return FALSE;
}