public function removeFiles($options = array())
{
$options = array_merge($this->options, $options);
$folder = $options['file_base_path'] . '/' . $options['folder'];
if (!strlen(trim($options['file_base_path']))) {
throw \Exception("file_base_path option looks empty, bailing out");
}
if (!strlen(trim($options['folder']))) {
throw \Exception("folder option looks empty, bailing out");
}
system("rm -rf " . escapeshellarg($folder));
}