Tools::getArrayFilesHash

static function getArrayFilesHash($fileList = array())
{
	$fileModificationString = "";
	foreach ($fileList as $item)
	{
		$file = new File(Application::getDocumentRoot().$item);
		$fileModificationString .= $item."|";
		if($file->isExists())
		{
			$file->getModificationTime();
			$fileModificationString .= "|".$file->getModificationTime();
		}	
	}

	return md5($fileModificationString);
}