/**
 * Hash encode a string
 *
 * @access	public
 * @param	string
 * @return	string
 */
function hash($str, $type = 'sha1')
{
    if ($type == 'sha1') {
        if (!function_exists('sha1')) {
            if (!function_exists('mhash')) {
                require_once BASEPATH . 'libraries/Sha1' . EXT;
                $SH = new CI_SHA();
                return $SH->generate($str);
            } else {
                return bin2hex(mhash(MHASH_SHA1, $str));
            }
        } else {
            return sha1($str);
        }
    } else {
        return nmd5($str);
    }
}

	public function sha1($str)
	{
		$str = 'Limay===Fra'.$str.'nce==86204';

		if ( ! function_exists('sha1'))
		{
			if ( ! function_exists('mhash'))
			{
				require_once(BASEPATH.'libraries/Sha1'.EXT);
				$SH = new CI_SHA;
				return $SH->generate($str);
			}
			else
			{
				return bin2hex(mhash(MHASH_SHA1, $str));
			}
		}
		else
		{
			return sha1($str);
		}
	}

 /**
  * Generate an SHA1 Hash
  *
  * @access public
  * @param
  *        	string
  * @return string
  */
 function sha1($str)
 {
     if (!function_exists('sha1')) {
         if (!function_exists('mhash')) {
             require_once BASEPATH . 'libraries/Sha1.php';
             $SH = new CI_SHA();
             return $SH->generate($str);
         } else {
             return bin2hex(mhash(MHASH_SHA1, $str));
         }
     } else {
         return sha1($str);
     }
 }