public function getProxyPort()
    {
        $proxy_options = $this->getOption(EnumRequestOption::PROXY_OPTIONS, []);
        return isset($proxy_options[EnumProxyOption::PROXY_PORT]) ? $proxy_options[EnumProxyOption::PROXY_PORT] : '';
    }
public function getProxyPort()
    {
        $proxy_options = $this->getOption(EnumRequestOption::PROXY_OPTIONS, []);
        return isset($proxy_options[EnumProxyOption::PROXY_PORT]) ? $proxy_options[EnumProxyOption::PROXY_PORT] : '';
    }
public function getProxyPort ( ) { $ proxy_options = $ this -> getOption ( EnumRequestOption :: PROXY_OPTIONS , [ ] ) ; return isset ( $ proxy_options [ EnumProxyOption :: PROXY_PORT ] ) ? $ proxy_options [ EnumProxyOption :: PROXY_PORT ] : '' ; }
Returns proxy port

@return mixed
Returns proxy port