src/HTTP/Request2.php
public function setConfig($nameOrConfig, $value = null)
    {
        if (is_array($nameOrConfig)) {
            foreach ($nameOrConfig as $name => $value) {
                $this->setConfig($name, $value);
            }

        } elseif ('proxy' == $nameOrConfig) {
            $url = new Net_URL2($value);
            $this->setConfig(array(
                'proxy_type'     => $url->getScheme(),
                'proxy_host'     => $url->getHost(),
                'proxy_port'     => $url->getPort(),
                'proxy_user'     => rawurldecode($url->getUser()),
                'proxy_password' => rawurldecode($url->getPassword())
            ));

        } else {
            if (!array_key_exists($nameOrConfig, $this->config)) {
                throw new HTTP_Request2_LogicException(
                    "Unknown configuration parameter '{$nameOrConfig}'",
                    HTTP_Request2_Exception::INVALID_ARGUMENT
                );
            }
            $this->config[$nameOrConfig] = $value;
        }

        return $this;
    }
public function setConfig($nameOrConfig, $value = null)
    {
        if (is_array($nameOrConfig)) {
            foreach ($nameOrConfig as $name => $value) {
                $this->setConfig($name, $value);
            }

        } elseif ('proxy' == $nameOrConfig) {
            $url = new Net_URL2($value);
            $this->setConfig(array(
                'proxy_type'     => $url->getScheme(),
                'proxy_host'     => $url->getHost(),
                'proxy_port'     => $url->getPort(),
                'proxy_user'     => rawurldecode($url->getUser()),
                'proxy_password' => rawurldecode($url->getPassword())
            ));

        } else {
            if (!array_key_exists($nameOrConfig, $this->config)) {
                throw new HTTP_Request2_LogicException(
                    "Unknown configuration parameter '{$nameOrConfig}'",
                    HTTP_Request2_Exception::INVALID_ARGUMENT
                );
            }
            $this->config[$nameOrConfig] = $value;
        }

        return $this;
    }
Sets the configuration parameter(s)

The following parameters are available:
<ul>
<li> 'adapter'           - adapter to use (string)</li>
<li> 'connect_timeout'   - Connection timeout in seconds (integer)</li>
<li> 'timeout'           - Total number of seconds a request can take.
Use 0 for no limit, should be greater than
'connect_timeout' if set (integer)</li>
<li> 'use_brackets'      - Whether to append [] to array variable names (bool)</li>
<li> 'protocol_version'  - HTTP Version to use, '1.0' or '1.1' (string)</li>
<li> 'buffer_size'       - Buffer size to use for reading and writing (int)</li>
<li> 'store_body'        - Whether to store response body in response object.
Set to false if receiving a huge response and
using an Observer to save it (boolean)</li>
<li> 'local_ip'          - Specifies the IP address that will be used for accessing
the network (string)</li>
<li> 'proxy_type'        - Proxy type, 'http' or 'socks5' (string)</li>
<li> 'proxy_host'        - Proxy server host (string)</li>
<li> 'proxy_port'        - Proxy server port (integer)</li>
<li> 'proxy_user'        - Proxy auth username (string)</li>
<li> 'proxy_password'    - Proxy auth password (string)</li>
<li> 'proxy_auth_scheme' - Proxy auth scheme, one of HTTP_Request2::AUTH_* constants (string)</li>
<li> 'proxy'             - Shorthand for proxy_* parameters, proxy given as URL,
e.g. 'socks5://localhost:1080/' (string)</li>
<li> 'ssl_verify_peer'   - Whether to verify peer's SSL certificate (bool)</li>
<li> 'ssl_verify_host'   - Whether to check that Common Name in SSL
certificate matches host name (bool)</li>
<li> 'ssl_cafile'        - Cerificate Authority file to verify the peer
with (use with 'ssl_verify_peer') (string)</li>
<li> 'ssl_capath'        - Directory holding multiple Certificate
Authority files (string)</li>
<li> 'ssl_local_cert'    - Name of a file containing local cerificate (string)</li>
<li> 'ssl_passphrase'    - Passphrase with which local certificate
was encoded (string)</li>
<li> 'digest_compat_ie'  - Whether to imitate behaviour of MSIE 5 and 6
in using URL without query string in digest
authentication (boolean)</li>
<li> 'follow_redirects'  - Whether to automatically follow HTTP Redirects (boolean)</li>
<li> 'max_redirects'     - Maximum number of redirects to follow (integer)</li>
<li> 'strict_redirects'  - Whether to keep request method on redirects via status 301 and
302 (true, needed for compatibility with RFC 2616)
or switch to GET (false, needed for compatibility with most
browsers) (boolean)</li>
</ul>

@param string|array $nameOrConfig configuration parameter name or array
('parameter name' => 'parameter value')
@param mixed        $value        parameter value if $nameOrConfig is not an array

@return   HTTP_Request2
@throws   HTTP_Request2_LogicException If the parameter is unknown