private function import($dir)
{
$files = array();
foreach (scandir($dir) as $file) {
if ($file === '.' || $file === '..') {
continue;
}
if (is_file($dir . DIRECTORY_SEPARATOR . $file)) {
$files[] = $file;
require_once $dir . DIRECTORY_SEPARATOR . $file;
}
}
// foreach
return $files;
}