Zend Framework

public function authorize(array $data) {
		
		$config = array(
			'siteUrl' => 'https://api.login.yahoo.com/oauth/v2/get_request_token',
			'callbackUrl' => '/callback',
			'consumerKey' => $key,
			'consumerSecret' => $secret,
		);
				
		$consumer = new Zend_Oauth_Consumer($config);
		$token = $consumer->getRequestToken();
		
		$session = new Zend_Session_Namespace('delicious_oauth');
		$session->token  = $token->getToken();
	    $session->secret = $token->getTokenSecret();
				
		$urlParams = $token->getResponse()->getBody();
		$url = 'https://api.login.yahoo.com/oauth/v2/request_auth?' . $urlParams;

		// redirect to $url
	}
	

	public function callback() {
		
		$config = array(
			'siteUrl' => 'https://api.login.yahoo.com/oauth/v2/get_token',
			'callbackUrl' => '/callback',
			'consumerKey' => $key,
			'consumerSecret' => $secret,
		);

		$session = new Zend_Session_Namespace('delicious_oauth');
		
		// build the token request based on the original token and secret
        $request = new Zend_Oauth_Token_Request();
        $request->setToken($session->token)
			->setTokenSecret($session->secret);
		
		unset($session->token);
        unset($session->secret);
        
		$consumer = new Zend_Oauth_Consumer($config);
		$token = $consumer->getAccessToken($_GET, $request);
		
		$data = array('oauth_token' => $token->getToken(), 'oauth_token_secret' => $token->getTokenSecret());
		// store $data
		
	}
	
	public function post(array $data) {
		$config = array(
			'siteUrl' => 'https://api.login.yahoo.com/oauth/v2/get_token',
			'callbackUrl' => '/callback',
			'consumerKey' => $key,
			'consumerSecret' => $secret,
		);
		
		$data = $this->getData();

		$token2 = new Zend_Oauth_Token_Access();
             $token2->setToken($data['oauth_token'])
                ->setTokenSecret($data['oauth_token_secret']);
           
        
             $client = $token2->getHttpClient($config);
		$client->resetParameters();
		
		$parameters = array(
			'url' => $data['url'],
			'description' => $data['title'],
			'tags' => $data['tags'],
			'extended' => $data['note'],
		);
		
		$client->setUri('http://api.del.icio.us/v2/posts/add');
		$client->setParameterGet($parameters);
		
		$client->setMethod(Zend_Http_Client::GET);
		
		$client->setAdapter(new useKit_Http_Client_Adapter_Socket());
		$response = $client->request();
		return true;
	}

<?php

class useKit_Http_Client_Adapter_Socket extends Zend_Http_Client_Adapter_Socket
{
    /**
     * Send request to the remote server
     *
     * @param string        $method
     * @param Zend_Uri_Http $uri
     * @param string        $http_ver
     * @param array         $headers
     * @param string        $body
     * @return string Request as string
     */
    public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '')
    {
        // Make sure we're properly connected
        if (! $this->socket) {
            require_once 'Zend/Http/Client/Adapter/Exception.php';
            throw new Zend_Http_Client_Adapter_Exception('Trying to write but we are not connected');
        }

        $host = $uri->getHost();
        $host = (strtolower($uri->getScheme()) == 'https' ? $this->config['ssltransport'] : 'tcp') . '://' . $host;
        if ($this->connected_to[0] != $host || $this->connected_to[1] != $uri->getPort()) {
            require_once 'Zend/Http/Client/Adapter/Exception.php';
            throw new Zend_Http_Client_Adapter_Exception('Trying to write but we are connected to the wrong host');
        }

        // Save request method for later
        $this->method = $method;

        // Build request headers
        $path = $uri->getPath();
        
        $query = str_replace('+', '%20', $uri->getQuery());
                
        if ($uri->getQuery()) $path .= '?' . $query;
        $request = "{$method} {$path} HTTP/{$http_ver}\r\n";
        foreach ($headers as $k => $v) {
            if (is_string($k)) $v = ucfirst($k) . ": $v";
            $request .= "$v\r\n";
        }

        if(is_resource($body)) {
            $request .= "\r\n";
        } else {
            // Add the request body
            $request .= "\r\n" . $body;
        }
        
        // Send the request
        if (! @fwrite($this->socket, $request)) {
            require_once 'Zend/Http/Client/Adapter/Exception.php';
            throw new Zend_Http_Client_Adapter_Exception('Error writing request to server');
        }
        
        if(is_resource($body)) {
            if(stream_copy_to_stream($body, $this->socket) == 0) {
                require_once 'Zend/Http/Client/Adapter/Exception.php';
                throw new Zend_Http_Client_Adapter_Exception('Error writing request to server');
            }
        }

        return $request;
    }
}

static function urlencode_rfc3986($input) {
  ...
 str_replace('+', ' ',
                           str_replace('%7E', '~', rawurlencode($input)));
  ...
  }

public static function urlEncode($value)
    {
        $encoded = rawurlencode($value);
        $encoded = str_replace('%7E', '~', $encoded);
        return $encoded;
    }