protected function scheme()
    {
        if ($this->cachedHttps === true) {
            $this->https = true;
        }

        return "http" . ($this->https === true ? 's' : '') . "://";
    }
protected function scheme()
    {
        if ($this->cachedHttps === true) {
            $this->https = true;
        }

        return "http" . ($this->https === true ? 's' : '') . "://";
    }
protected function scheme ( ) { if ( $ this -> cachedHttps === true ) { $ this -> https = true ; } return "http" . ( $ this -> https === true ? 's' : '' ) . "://" ; }
Get url scheme.

@return string
Get url scheme .