CBXArchive::IsArchive

static function IsArchive($strFilename)
{
	$strFileExt = mb_strtolower(GetFileExtension($strFilename));
	$arFormats = self::GetAvailableFormats();

	foreach ($arFormats as $data)
	{
		if (in_array($strFileExt, $data["ext"]))
		{
			return true;
		}
	}
	return false;
}