Function _langName
Get the current site language name of the given language code If the site is multilingual, return empty If no given code, return the language name of the default language code
		Package: PHPLucidFrame\Core
Copyright: Copyright (c), PHPLucidFrame.
License: MIT License This source file is subject to the MIT license that is bundled with this source code in the file LICENSE
Author: Sithu sithu@phplucidframe.com
Located at helpers/utility_helper.php
	
	Copyright: Copyright (c), PHPLucidFrame.
License: MIT License This source file is subject to the MIT license that is bundled with this source code in the file LICENSE
Author: Sithu sithu@phplucidframe.com
Located at helpers/utility_helper.php
| string | $lang = '' | <p>The language code (optional - if not provided, the default language code from $lc_defaultLang will be used)</p> | 
| 
			string
		 | The language name as per defined in /inc/config.php |