<?php
/* phpFlickr Class 1.4.3
 * Written by Dan Coulter (dan@dancoulter.com)
 * Sourceforge Project Page: http://www.sourceforge.net/projects/phpflickr/
 * Released under GNU General Public License (http://www.gnu.org/copyleft/gpl.html)
 * For more information about the class and upcoming tools and toys using it,
 * visit http://www.phpflickr.com/ or http://phpflickr.sourceforge.net
 *
 *     For installation instructions, open the README.txt file packaged with this
 *     class. If you don't have a copy, you can see it at:
 *     http://www.phpflickr.com/README.txt
 *
 *     Please submit all problems or questions to the Help Forum on my project page:
 *         http://sourceforge.net/forum/forum.php?forum_id=469652
 *
 */
if (session_id() == "") {
    session_start();
}
require_once(dirname(__FILE__).'/xml.php');

// Decides which include path delimiter to use.  Windows should be using a semi-colon
// and everything else should be using a colon.  If this isn't working on your system,
// comment out this if statement and manually set the correct value into $path_delimiter.
if (strpos(__FILE__, ':') !== false) {
    $path_delimiter = ';';
} else {
    $path_delimiter = ':';
}

// This will add the packaged PEAR files into the include path for PHP, allowing you
// to use them transparently.  This will prefer officially installed PEAR files if you
// have them.  If you want to prefer the packaged files (there shouldn't be any reason
// to), swap the two elements around the $path_delimiter variable.  If you don't have
// the PEAR packages installed, you can leave this like it is and move on.

// PATCH FOR SERENDIPITY. NOT NEEDED, PART OF SERENDIPITY BUNDLED-LIBS!
// ini_set('include_path', ini_get('include_path') . $path_delimiter . dirname(__FILE__) . '/PEAR');

// If you have problems including the default PEAR install (like if your open_basedir
// setting doesn't allow you to include files outside of your web root), comment out
// the line above and uncomment the next line:

//ini_set('include_path', dirname(__FILE__) . '/PEAR' . $path_delimiter . ini_get('include_path'));

class phpFlickr {
    var $api_key;
    var $secret;
    var $REST = 'http://www.flickr.com/services/rest/';
    var $Upload = 'http://www.flickr.com/services/upload/';
    var $xml_parser;
    var $req;
    var $response;
    var $parsed_response;
    var $cache = false;
    var $cache_db = null;
    var $cache_table = null;
    var $cache_dir = null;
    var $cache_expire = null;
    var $die_on_error;
    var $error_code;
    Var $error_msg;
    var $token;


    function phpFlickr ($api_key, $secret = NULL, $die_on_error = true)
    {
        //The API Key must be set before any calls can be made.  You can
        //get your own at http://www.flickr.com/services/api/misc.api_keys.html
        $this->api_key = $api_key;
        $this->secret = $secret;
        $this->die_on_error = $die_on_error;

        //All calls to the API are done via the POST method using the PEAR::HTTP_Request package.
        //SERENDIPITY PATCH
        require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
        $this->req = new HTTP_Request();
        $this->req->setMethod(HTTP_REQUEST_METHOD_POST);

        //setup XML parser using Aaron Colflesh's XML class.
        $this->xml_parser = new xml(false, true, true);
    }

    function enableCache($type, $connection, $cache_expire = 600, $table = 'flickr_cache')
    {
        // Turns on caching.  $type must be either "db" (for database caching) or "fs" (for filesystem).
        // When using db, $connection must be a PEAR::DB connection string. Example:
        //      "mysql://user:password@server/database"
        // If the $table, doesn't exist, it will attempt to create it.
        // When using file system, caching, the $connection is the folder that the web server has write
        // access to. Use absolute paths for best results.  Relative paths may have unexpected behavior
        // when you include this.  They'll usually work, you'll just want to test them.
        if ($type == 'db') {
            require_once 'DB.php';
            $db =& DB::connect($connection);
            if (PEAR::isError($db)) {
                die($db->getMessage());
            }

            $db->query("
                CREATE TABLE IF NOT EXISTS `$table` (
                    `request` CHAR( 35 ) NOT NULL ,
                    `response` TEXT NOT NULL ,
                    `expiration` DATETIME NOT NULL ,
                    INDEX ( `request` )
                ) TYPE = MYISAM");
            $db->query("DELETE FROM $table WHERE expiration < DATE_SUB(NOW(), INTERVAL $cache_expire second)");
            if (strpos($connection, 'mysql') !== false) {
                $db->query('OPTIMIZE TABLE ' . $table);
            }
            $this->cache = 'db';
            $this->cache_db = $db;
            $this->cache_table = $table;
        } elseif ($type = 'fs') {
            $this->cache = 'fs';
            chdir($connection);
            $this->cache_dir = getcwd();
            if ($dir = opendir('./')) {
                while ($file = readdir($dir)) {
                    if (substr($file, -6) == '.cache' && ((filemtime($file) + $cache_expire) < time()) ) {
                        unlink($file);
                    }
                }
            }
        }
        $this->cache_expire = $cache_expire;
    }

    function getCached ($request)
    {
        //Checks the database or filesystem for a cached result to the request.
        //If there is no cache result, it returns a value of false. If it finds one,
        //it returns the unparsed XML.
        $reqhash = md5(serialize($request));
        if ($this->cache == 'db') {
            $result = $this->cache_db->getOne("SELECT response FROM " . $this->cache_table . " WHERE request = '" . $reqhash . "'");
            if (!empty($result)) {
                return $result;
            }
        } elseif ($this->cache == 'fs') {
            $file = $this->cache_dir . '/' . $reqhash . '.cache';
            if (file_exists($file)) {
                return file_get_contents($file);
            }
        }
        return false;
    }

    function cache ($request, $response)
    {
        //Caches the unparsed XML of a request.
        $reqhash = md5(serialize($request));
        if ($this->cache == 'db') {
            $this->cache_db->query("DELETE FROM $this->cache_table WHERE request = '$reqhash'");
            $sql = "INSERT INTO " . $this->cache_table . " (request, response, expiration) VALUES ('$reqhash', '" . str_replace("'", "''", $response) . "', '" . strftime("%Y-%m-%d %H:%M:%S") . "')";
            $this->cache_db->query($sql);
        } elseif ($this->cache == "fs") {
            $file = $this->cache_dir . "/" . $reqhash . ".cache";
            $fstream = fopen($file, "w");
            $result = fwrite($fstream,$response);
            fclose($fstream);
            return $result;
        }
        return false;
    }

    function request ($command, $args = array(), $nocache = false)
    {
        //Sends a request to Flickr's REST endpoint via POST.
        $this->req->setURL($this->REST);
        $this->req->clearPostData();
        if (substr($command,0,7) != "flickr.") {
            $command = "flickr." . $command;
        }

        //Process arguments, including method and login data.
        $args = array_merge(array("method" => $command, "api_key" => $this->api_key), $args);
        if (!empty($this->token)) {
            $args = array_merge($args, array("auth_token" => $this->token));
        } elseif (!empty($_SESSION['phpFlickr_auth_token'])) {
            $args = array_merge($args, array("auth_token" => $_SESSION['phpFlickr_auth_token']));
        }
        ksort($args);
        $auth_sig = "";
        if (!($this->response = $this->getCached($args)) || $nocache) {
            foreach ($args as $key => $data) {
                $auth_sig .= $key . $data;
                $this->req->addPostData($key, $data);
            }
            if (!empty($this->secret)) {
                $api_sig = md5($this->secret . $auth_sig);
                $this->req->addPostData("api_sig", $api_sig);
            }

            //Send Requests
            if ($this->req->sendRequest()) {
                $this->response = $this->req->getResponseBody();
                $this->cache($args, $this->response);
            } else {
                die("There has been a problem sending your command to the server.");
            }
        }
        return $this->response;
    }

    function parse_response ($xml = NULL)
    {
        //Sends response data through XML parser and returns an associative array.
        if ($xml === NULL) {
            $xml = $this->response;
        }
        $this->parsed_response = $this->xml_parser->parse($xml);

        //Check for an error and die if it finds one.
        if (!empty($this->parsed_response['rsp']['err']) && $this->die_on_error) {
            die("The Flickr API returned error code #" . $this->parsed_response['rsp']['err']['code'] . ": " . $this->parsed_response['rsp']['err']['msg']);
        } elseif (!empty($this->parsed_response['rsp']['err'])) {
			$this->error_code = $this->parsed_response['rsp']['err']['code'];
			$this->error_msg = "The Flickr API returned error code #" . $this->parsed_response['rsp']['err']['code'] . ": " . $this->parsed_response['rsp']['err']['msg'];
			return false;
        } else {
			$this->error_code = false;
			$this->error_msg = false;
        }

        return $this->parsed_response['rsp'];
    }

    function setToken($token) {
        // Sets an authentication token to use instead of the session variable
        $this->token = $token;
    }

    function getErrorCode()
    {
		// Returns the error code of the last call.  If the last call did not
		// return an error. This will return a false boolean.
		return $this->error_code;
    }

    function getErrorMsg()
    {
		// Returns the error message of the last call.  If the last call did not
		// return an error. This will return a false boolean.
		return $this->error_msg;
    }

    /* These functions are front ends for the flickr calls */

    function buildPhotoURL ($photo, $size = "Medium")
    {
        //receives an array (can use the individual photo data returned
        //from an API call) and returns a URL (doesn't mean that the
        //file size exists)
        $url = "http://static.flickr.com/" . $photo['server'] . "/" . $photo['id'] . "_" . $photo['secret'];
        switch (strtolower($size)) {
            case "square":
                $url .= "_s";
                break;
            case "thumbnail":
                $url .= "_t";
                break;
            case "small":
                $url .= "_m";
                break;
            case "medium":
                $url .= "";
                break;
            case "large":
                $url .= "_b";
                break;
            case "original":
                $url .= "_o";
                break;
        }
        $url .= ".jpg";
        return $url;
    }

    function sync_upload ($photo, $title = null, $description = null, $tags = null, $is_public = null, $is_friend = null, $is_family = null) {
        $this->req->setURL($this->Upload);
        $this->req->clearPostData();

        //Process arguments, including method and login data.
        $args = array("api_key" => $this->api_key, "title" => $title, "description" => $description, "tags" => $tags, "is_public" => $is_public, "is_friend" => $is_friend, "is_family" => $is_family);
        if (!empty($this->email)) {
            $args = array_merge($args, array("email" => $this->email));
        }
        if (!empty($this->password)) {
            $args = array_merge($args, array("password" => $this->password));
        }
        if (!empty($this->token)) {
            $args = array_merge($args, array("auth_token" => $this->token));
        } elseif (!empty($_SESSION['phpFlickr_auth_token'])) {
            $args = array_merge($args, array("auth_token" => $_SESSION['phpFlickr_auth_token']));
        }

        ksort($args);
        $auth_sig = "";
        foreach ($args as $key => $data) {
            if ($data !== null) {
                $auth_sig .= $key . $data;
                $this->req->addPostData($key, $data);
            }
        }
        if (!empty($this->secret)) {
            $api_sig = md5($this->secret . $auth_sig);
            $this->req->addPostData("api_sig", $api_sig);
        }

        $photo = realpath($photo);

        $result = $this->req->addFile("photo", $photo);

        if (PEAR::isError($result)) {
            die($result->getMessage());
        }

        //Send Requests
        if ($this->req->sendRequest()) {
            $this->response = $this->req->getResponseBody();
        } else {
            die("There has been a problem sending your command to the server.");
        }
        $result = $this->parse_response();
        return $result['photoid'];
    }

    function async_upload ($photo, $title = null, $description = null, $tags = null, $is_public = null, $is_friend = null, $is_family = null) {
        $this->req->setURL($this->Upload);
        $this->req->clearPostData();

        //Process arguments, including method and login data.
        $args = array("async" => 1, "api_key" => $this->api_key, "title" => $title, "description" => $description, "tags" => $tags, "is_public" => $is_public, "is_friend" => $is_friend, "is_family" => $is_family);
        if (!empty($this->email)) {
            $args = array_merge($args, array("email" => $this->email));
        }
        if (!empty($this->password)) {
            $args = array_merge($args, array("password" => $this->password));
        }
        if (!empty($this->token)) {
            $args = array_merge($args, array("auth_token" => $this->token));
        } elseif (!empty($_SESSION['phpFlickr_auth_token'])) {
            $args = array_merge($args, array("auth_token" => $_SESSION['phpFlickr_auth_token']));
        }

        ksort($args);
        $auth_sig = "";
        foreach ($args as $key => $data) {
            if ($data !== null) {
                $auth_sig .= $key . $data;
                $this->req->addPostData($key, $data);
            }
        }
        if (!empty($this->secret)) {
            $api_sig = md5($this->secret . $auth_sig);
            $this->req->addPostData("api_sig", $api_sig);
        }

        $photo = realpath($photo);

        $result = $this->req->addFile("photo", $photo);

        if (PEAR::isError($result)) {
            die($result->getMessage());
        }

        //Send Requests
        if ($this->req->sendRequest()) {
            $this->response = $this->req->getResponseBody();
        } else {
            die("There has been a problem sending your command to the server.");
        }
        $result = $this->parse_response();
        return $result['ticketid'];
    }

    function auth ($perms = "read", $remember_uri = true)
    {
        // Redirects to Flickr's authentication piece if there is no valid token.
        // If remember_uri is set to false, the callback script (included) will
        // redirect to its default page.

        if (empty($_SESSION['phpFlickr_auth_token']) && empty($this->token)) {
            if ($remember_uri) {
                $redirect = $_SERVER['REQUEST_URI'];
            }
            $api_sig = md5($this->secret . "api_key" . $this->api_key . "extra" . $redirect . "perms" . $perms);
            header("Location: http://flickr.com/services/auth/?api_key=" . $this->api_key . "&extra=" . $redirect . "&perms=" . $perms . "&api_sig=". $api_sig);
            exit;
        } else {
            $tmp = $this->die_on_error;
            $this->die_on_error = false;
            $rsp = $this->auth_checkToken();
            if ($this->error_code !== false) {
                unset($_SESSION['phpFlickr_auth_token']);
                $this->auth($perms, $remember_uri);
            }
            $this->die_on_error = $tmp;
            return $rsp['perms'];
        }
    }

    /*
        These functions are the direct implementations of flickr calls.
        For method documentation, including arguments, visit the address
        included in a comment in the function.
    */

    /* Authentication methods */
    function auth_checkToken ()
    {
        /* http://www.flickr.com/services/api/flickr.auth.checkToken.html */
        $this->request('flickr.auth.checkToken');
        $result = $this->parse_response();
        return $result['auth'];
    }

    function auth_getFrob ()
    {
        /* http://www.flickr.com/services/api/flickr.auth.getFrob.html */
        $this->request('flickr.auth.getFrob');
        $result = $this->parse_response();
        return $result['frob'];
    }

    function auth_getToken ($frob)
    {
        /* http://www.flickr.com/services/api/flickr.auth.getToken.html */
        $this->request('flickr.auth.getToken', array('frob'=>$frob));
        $result = $this->parse_response();
        session_register('phpFlickr_auth_token');
        $_SESSION['phpFlickr_auth_token'] = $result['auth']['token'];
        return $result['auth']['token'];
    }

/* Blogs methods */
    function blogs_getList ()
    {
        /* http://www.flickr.com/services/api/flickr.blogs.getList.html */
        $this->request('flickr.blogs.getList');
        $this->parse_response();
        $result = $this->parsed_response['rsp']['blogs'];
        if (!empty($result['blog']['id'])) {
            $tmp = $result['blog'];
            unset($result['blog']);
            $result['blog'][] = $tmp;
        }
        return $result['blog'];
    }

    function blogs_postPhoto($blog_id, $photo_id, $title, $description, $blog_password = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.blogs.postPhoto.html */
        $this->request('flickr.blogs.postPhoto', array('blog_id'=>$blog_id, 'photo_id'=>$photo_id, 'title'=>$title, 'description'=>$description, 'blog_password'=>$blog_password), TRUE);
        $this->parse_response();
        return true;
    }

    /* Contacts Methods */
    function contacts_getList ($filter = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.contacts.getList.html */
        $this->request('flickr.contacts.getList', array('filter'=>$filter));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['contacts'];
        if (!empty($result['contact']['id'])) {
            $tmp = $result['contact'];
            unset($result['contact']);
            $result['contact'][] = $tmp;
        }
        return $result['contact'];
    }

    function contacts_getPublicList($user_id)
    {
        /* http://www.flickr.com/services/api/flickr.contacts.getPublicList.html */
        $this->request('flickr.contacts.getPublicList', array('user_id'=>$user_id));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['contacts'];
        if (!empty($result['contact']['id'])) {
            $tmp = $result['contact'];
            unset($result['contact']);
            $result['contact'][] = $tmp;
        }
        return $result['contact'];
    }

    /* Favorites Methods */
    function favorites_add ($photo_id)
    {
        /* http://www.flickr.com/services/api/flickr.favorites.add.html */
        $this->request('flickr.favorites.add', array('photo_id'=>$photo_id), TRUE);
        $this->parse_response();
        return true;
    }

    function favorites_getList($user_id = NULL, $extras = NULL, $per_page = NULL, $page = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.favorites.getList.html */
        if (is_array($extras)) { $extras = implode(",", $extras); }
        $this->request("flickr.favorites.getList", array("user_id"=>$user_id, "extras"=>$extras, "per_page"=>$per_page, "page"=>$page));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photos'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result;
    }

    function favorites_getPublicList($user_id = NULL, $extras = NULL, $per_page = NULL, $page = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.favorites.getPublicList.html */
        if (is_array($extras)) {
            $extras = implode(",", $extras);
        }
        $this->request("flickr.favorites.getPublicList", array("user_id"=>$user_id, "extras"=>$extras, "per_page"=>$per_page, "page"=>$page));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photos'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result;
    }

    function favorites_remove($photo_id)
    {
        /* http://www.flickr.com/services/api/flickr.favorites.remove.html */
        $this->request("flickr.favorites.remove", array("photo_id"=>$photo_id), TRUE);
        $this->parse_response();
        return true;
    }

    /* Groups Methods */
    function groups_browse ($cat_id = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.groups.browse.html */
        $this->request("flickr.groups.browse", array("cat_id"=>$cat_id));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['category'];
        if (!empty($result['subcat']['id'])) {
            $tmp = $result['subcat'];
            unset($result['subcat']);
            $result['subcat'][] = $tmp;
        }
        if (!empty($result['group']['nsid'])) {
            $tmp = $result['group'];
            unset($result['group']);
            $result['group'][] = $tmp;
        }
        return $result;
    }

    function groups_getInfo ($group_id)
    {
        /* http://www.flickr.com/services/api/flickr.groups.getInfo.html */
        $this->request("flickr.groups.getInfo", array("group_id"=>$group_id));
        $this->parse_response();
        return $this->parsed_response['rsp']["group"];
    }

    /* Groups Methods */
    function groups_pools_add ($photo_id, $group_id)
    {
        /* http://www.flickr.com/services/api/flickr.groups.pools.add.html */
        $this->request("flickr.groups.pools.add", array("photo_id"=>$photo_id, "group_id"=>$group_id), TRUE);
        $this->parse_response();
        return true;
    }

    function groups_pools_getContext ($photo_id, $group_id)
    {
        /* http://www.flickr.com/services/api/flickr.groups.pools.getContext.html */
        $this->request("flickr.groups.pools.getContext", array("photo_id"=>$photo_id, "group_id"=>$group_id));
        $this->parse_response();
        return $this->parsed_response['rsp'];
    }

    function groups_pools_getGroups ()
    {
        /* http://www.flickr.com/services/api/flickr.groups.pools.getGroups.html */
        $this->request("flickr.groups.pools.getGroups");
        $this->parse_response();
        $result = $this->parsed_response['rsp']['groups']['group'];
        if (!empty($result['id'])) {
            $tmp = $result;
            unset($result);
            $result[] = $tmp;
        }
        return $result;
    }

    function groups_pools_getPhotos ($group_id, $tags = NULL, $user_id = NULL, $extras = NULL, $per_page = NULL, $page = NULL)
    {
		/* http://www.flickr.com/services/api/flickr.groups.pools.getPhotos.html */
        if (is_array($extras)) {
            $extras = implode(",", $extras);
        }
        $this->request("flickr.groups.pools.getPhotos", array("group_id"=>$group_id, "tags"=>$tags, "user_id"=>$user_id, "extras"=>$extras, "per_page"=>$per_page, "page"=>$page));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photos'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result;
    }

    function groups_pools_remove ($photo_id, $group_id)
    {
        /* http://www.flickr.com/services/api/flickr.groups.pools.remove.html */
        $this->request("flickr.groups.pools.remove", array("photo_id"=>$photo_id, "group_id"=>$group_id), TRUE);
        $this->parse_response();
        return true;
    }

    /* Interestingness methods */
	function interestingness_getList($date = NULL, $extras = NULL, $per_page = NULL, $page = NULL)
	{
        /* http://www.flickr.com/services/api/flickr.interestingness.getList.html */
        if (is_array($extras)) {
            $extras = implode(",", $extras);
        }

        $this->request("flickr.interestingness.getList", array("date"=>$date, "extras"=>$extras, "per_page"=>$per_page, "page"=>$page));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photos'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result;
    }

    /* People methods */
    function people_findByEmail ($find_email)
    {
        /* http://www.flickr.com/services/api/flickr.people.findByEmail.html */
        $this->request("flickr.people.findByEmail", array("find_email"=>$find_email));
        $this->parse_response();
        return $this->parsed_response['rsp']["user"]["nsid"];
    }

    function people_findByUsername ($username)
    {
        /* http://www.flickr.com/services/api/flickr.people.findByUsername.html */
        $this->request("flickr.people.findByUsername", array("username"=>$username));
        $this->parse_response();
        return $this->parsed_response['rsp']["user"]["nsid"];
    }

    function people_getInfo($user_id)
    {
        /* http://www.flickr.com/services/api/flickr.people.getInfo.html */
        $this->request("flickr.people.getInfo", array("user_id"=>$user_id));
        $this->parse_response();
        return $this->parsed_response['rsp']["person"];
    }

    function people_getPublicGroups($user_id)
    {
        /* http://www.flickr.com/services/api/flickr.people.getPublicGroups.html */
        $this->request("flickr.people.getPublicGroups", array("user_id"=>$user_id));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['groups'];
        if (!empty($result['group']['nsid'])) {
            $tmp = $result['group'];
            unset($result['group']);
            $result['group'][] = $tmp;
        }
        return $result;
    }

    function people_getPublicPhotos($user_id, $extras = NULL, $per_page = NULL, $page = NULL) {
        /* http://www.flickr.com/services/api/flickr.people.getPublicPhotos.html */
        if (is_array($extras)) {
            $extras = implode(",", $extras);
        }

        $this->request("flickr.people.getPublicPhotos", array("user_id"=>$user_id, "extras"=>$extras, "per_page"=>$per_page, "page"=>$page));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photos'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result;
    }

    function people_getUploadStatus($user_id)
    {
        /* http://www.flickr.com/services/api/flickr.people.getUploadStatus.html */
        /* Requires Authentication */
        $this->request("flickr.people.getUploadStatus");
        $this->parse_response();
        return $this->parsed_response['rsp']['user'];
    }


    /* Photos Methods */
    function photos_addTags ($photo_id, $tags)
    {
        /* http://www.flickr.com/services/api/flickr.photos.addTags.html */
        $this->request("flickr.photos.addTags", array("photo_id"=>$photo_id, "tags"=>$tags), TRUE);
        $this->parse_response();
        return true;
    }

    function photos_delete($photo_id)
    {
        /* http://www.flickr.com/services/api/flickr.photos.delete.html */
        $this->request("flickr.photos.delete", array("photo_id"=>$photo_id), TRUE);
        $this->parse_response();
        return true;
    }

    function photos_getAllContexts ($photo_id)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getAllContexts.html */
        $this->request("flickr.photos.getAllContexts", array("photo_id"=>$photo_id));
        $this->parse_response();
        $result = $this->parsed_response['rsp'];
        if (!empty($result['set']['id'])) {
            $tmp = $result['set'];
            unset($result['set']);
            $result['set'][] = $tmp;
        }
        if (!empty($result['pool']['id'])) {
            $tmp = $result['pool'];
            unset($result['pool']);
            $result['pool'][] = $tmp;
        }
        return $result;    }

    function photos_getContactsPhotos ($count = NULL, $just_friends = NULL, $single_photo = NULL, $include_self = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getContactsPhotos.html */
        $this->request("flickr.photos.getContactsPhotos", array("count"=>$count, "just_friends"=>$just_friends, "single_photo"=>$single_photo, "include_self"=>$include_self));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photos'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result['photo'];
    }

    function photos_getContactsPublicPhotos ($user_id, $count = NULL, $just_friends = NULL, $single_photo = NULL, $include_self = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getContactsPublicPhotos.html */
        $this->request("flickr.photos.getContactsPublicPhotos", array("user_id"=>$user_id, "count"=>$count, "just_friends"=>$just_friends, "single_photo"=>$single_photo, "include_self"=>$include_self));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photos'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result['photo'];
    }

    function photos_getContext ($photo_id)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getContext.html */
        $this->request("flickr.photos.getContext", array("photo_id"=>$photo_id));
        $this->parse_response();
        return $this->parsed_response['rsp'];
    }

    function photos_getCounts ($dates = NULL, $taken_dates = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getCounts.html */
        $this->request("flickr.photos.getCounts", array("dates"=>$dates, "taken_dates"=>$taken_dates));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photocounts'];
        if (!empty($result['photocount']['count'])) {
            $tmp = $result['photocount'];
            unset($result['photocount']);
            $result['photocount'][] = $tmp;
        }
        return $result['photocount'];
    }

    function photos_getExif ($photo_id, $secret = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getExif.html */
        $this->request("flickr.photos.getExif", array("photo_id"=>$photo_id, "secret"=>$secret));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photo'];
        if (!empty($result['exif']['tagspace'])) {
            $tmp = $result['exif'];
            unset($result['exif']);
            $result['exif'][] = $tmp;
        }
        return $result;
    }

    function photos_getInfo($photo_id, $secret = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getInfo.html */
        $this->request("flickr.photos.getInfo", array("photo_id"=>$photo_id, "secret"=>$secret));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photo'];
        if (!empty($result['urls']['url']['type'])) {
            $tmp = $result['urls']['url'];
            unset($result['urls']['url']);
            $result['urls']['url'][] = $tmp;
        }
        if (!empty($result['tags']['tag']['id'])) {
            $tmp = $result['tags']['tag'];
            unset($result['tags']['tag']);
            $result['tags']['tag'][] = $tmp;
        }
        if (!empty($result['notes']['note']['id'])) {
            $tmp = $result['notes']['note'];
            unset($result['notes']['note']);
            $result['notes']['note'][] = $tmp;
        }
        return $result;
    }

    function photos_getNotInSet($extras = NULL, $per_page = NULL, $page = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getNotInSet.html */
        if (is_array($extras)) {
            $extras = implode(",", $extras);
        }
        $this->request("flickr.photos.getNotInSet", array("extras"=>$extras, "per_page"=>$per_page, "page"=>$page));
        $this->parse_response();
        $result = $this->parsed_response['rsp']["photos"];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result;
    }

    function photos_getPerms($photo_id)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getPerms.html */
        $this->request("flickr.photos.getPerms", array("photo_id"=>$photo_id));
        $this->parse_response();
        return $this->parsed_response['rsp']["perms"];
    }

    function photos_getRecent($extras = NULL, $per_page = NULL, $page = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getRecent.html */
        if (is_array($extras)) {
            $extras = implode(",", $extras);
        }

        $this->request("flickr.photos.getRecent", array("extras"=>$extras, "per_page"=>$per_page, "page"=>$page));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photos'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result;
    }

    function photos_getSizes($photo_id, $secret = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getSizes.html */
        $this->request("flickr.photos.getSizes", array("photo_id"=>$photo_id));
        $this->parse_response();
        foreach($this->parsed_response['rsp']["sizes"]['size'] as $size) {
            $result[$size["label"]] = $size;
        }
        return $result;
    }

    function photos_getUntagged($extras = NULL, $per_page = NULL, $page = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photos.getUntagged.html */
        if (is_array($extras)) {
            $extras = implode(",", $extras);
        }
        $this->request("flickr.photos.getUntagged", array("extras"=>$extras, "per_page"=>$per_page, "page"=>$page));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photos'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result;
    }

    function photos_removeTag($tag_id)
    {
        /* http://www.flickr.com/services/api/flickr.photos.removeTag.html */
        $this->request("flickr.photos.removeTag", array("tag_id"=>$tag_id), TRUE);
        $this->parse_response();
        return true;
    }

    function photos_search($args)
    {
        /* This function strays from the method of arguments that I've
         * used in the other functions for the fact that there are just
         * so many arguments to this API method. What you'll need to do
         * is pass an associative array to the function containing the
         * arguments you want to pass to the API.  For example:
         *   $photos = $f->photos_search(array("tags"=>"brown,cow", "tag_mode"=>"any"));
         * This will return photos tagged with either "brown" or "cow"
         * or both. See the API documentation (link below) for a full
         * list of arguments.
         */

        /* http://www.flickr.com/services/api/flickr.photos.search.html */
        $this->request("flickr.photos.search", $args);
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photos'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result;
    }

    function photos_setDates($photo_id, $date_posted = NULL, $date_taken = NULL, $date_taken_granularity = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photos.setDates.html */
        $this->request("flickr.photos.setDates", array("photo_id"=>$photo_id, "date_posted"=>$date_posted, "date_taken"=>$date_taken, "date_taken_granularity"=>$date_taken_granularity), TRUE);
        $this->parse_response();
        return true;
    }

    function photos_setMeta($photo_id, $title, $description)
    {
        /* http://www.flickr.com/services/api/flickr.photos.setMeta.html */
        $this->request("flickr.photos.setMeta", array("photo_id"=>$photo_id, "title"=>$title, "description"=>$description), TRUE);
        $this->parse_response();
        return true;
    }

    function photos_setPerms($photo_id, $is_public, $is_friend, $is_family, $perm_comment, $perm_addmeta)
    {
        /* http://www.flickr.com/services/api/flickr.photos.setPerms.html */
        $this->request("flickr.photos.setPerms", array("photo_id"=>$photo_id, "is_public"=>$is_public, "is_friend"=>$is_friend, "is_family"=>$is_family, "perm_comment"=>$perm_comment, "perm_addmeta"=>$perm_addmeta), TRUE);
        $this->parse_response();
        return true;
    }

    function photos_setTags($photo_id, $tags)
    {
        /* http://www.flickr.com/services/api/flickr.photos.setTags.html */
        $this->request("flickr.photos.setTags", array("photo_id"=>$photo_id, "tags"=>$tags), TRUE);
        $this->parse_response();
        return true;
    }

    /* Photos - Notes Methods */
    function photos_licenses_getInfo()
    {
        /* http://www.flickr.com/services/api/flickr.photos.licenses.getInfo.html */
        $this->request("flickr.photos.licenses.getInfo");
        $this->parse_response();
        return $this->parsed_response['rsp']['licenses'];
    }

    function photos_licenses_setLicense($photo_id, $license_id)
    {
        /* http://www.flickr.com/services/api/flickr.photos.licenses.setLicense.html */
        /* Requires Authentication */
        $this->request("flickr.photos.licenses.setLicense", array("photo_id"=>$photo_ID, "license_id"=>$license_id), TRUE);
        $this->parse_response();
        return true;
    }

    /* Photos - Notes Methods */
    function photos_notes_add($photo_id, $note_x, $note_y, $note_w, $note_h, $note_text)
    {
        /* http://www.flickr.com/services/api/flickr.photos.notes.add.html */
        $this->request("flickr.photos.notes.add", array("photo_id" => $photo_id, "note_x" => $note_x, "note_y" => $note_y, "note_w" => $note_w, "note_h" => $note_h, "note_text" => $note_text), TRUE);
        $this->parse_response();
        return $this->parsed_response['rsp']['note']['id'];
    }

    function photos_notes_delete($note_id)
    {
        /* http://www.flickr.com/services/api/flickr.photos.notes.delete.html */
        $this->request("flickr.photos.notes.delete", array("note_id" => $note_id), TRUE);
        $this->parse_response();
        return true;
    }

    function photos_notes_edit($note_id, $note_x, $note_y, $note_w, $note_h, $note_text)
    {
        /* http://www.flickr.com/services/api/flickr.photos.notes.edit.html */
        $this->request("flickr.photos.notes.edit", array("note_id" => $note_id, "note_x" => $note_x, "note_y" => $note_y, "note_w" => $note_w, "note_h" => $note_h, "note_text" => $note_text), TRUE);
        $this->parse_response();
        return true;
    }

    /* Photos - Transform Methods */
    function photos_transform_rotate($photo_id, $degrees)
    {
        /* http://www.flickr.com/services/api/flickr.photos.transform.rotate.html */
        $this->request("flickr.photos.transform.rotate", array("photo_id" => $photo_id, "degrees" => $degrees), TRUE);
        $this->parse_response();
        return true;
    }

    /* Photos - Upload Methods */
    function photos_upload_checkTickets($tickets)
    {
        /* http://www.flickr.com/services/api/flickr.photos.upload.checkTickets.html */
        if (is_array($tickets)) {
            $tickets = implode(",", $tickets);
        }
        $this->request("flickr.photos.upload.checkTickets", array("tickets" => $tickets), TRUE);
        $result = $this->parse_response();
        if (!empty($result['uploader']['ticket']['id'])) {
            $tmp = $result['uploader']['ticket'];
            unset($result['uploader']['ticket']);
            $result['uploader']['ticket'][] = $tmp;
        }
        return $result['uploader']['ticket'];
    }

    /* Photosets Methods */
    function photosets_addPhoto($photoset_id, $photo_id)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.addPhoto.html */
        $this->request("flickr.photosets.addPhoto", array("photoset_id" => $photoset_id, "photo_id" => $photo_id), TRUE);
        $this->parse_response();
        return true;
    }

    function photosets_create($title, $description, $primary_photo_id)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.create.html */
        $this->request("flickr.photosets.create", array("title" => $title, "primary_photo_id" => $primary_photo_id, "description" => $description), TRUE);
        $this->parse_response();
        return $this->parsed_response['rsp']['photoset'];
    }

    function photosets_delete($photoset_id)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.delete.html */
        $this->request("flickr.photosets.delete", array("photoset_id" => $photoset_id), TRUE);
        $this->parse_response();
        return true;
    }

    function photosets_editMeta($photoset_id, $title, $description = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.editMeta.html */
        $this->request("flickr.photosets.editMeta", array("photoset_id" => $photoset_id, "title" => $title, "description" => $description), TRUE);
        $this->parse_response();
        return true;
    }

    function photosets_editPhotos($photoset_id, $primary_photo_id, $photo_ids)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.editPhotos.html */
        $this->request("flickr.photosets.editPhotos", array("photoset_id" => $photoset_id, "primary_photo_id" => $primary_photo_id, "photo_ids" => $photo_ids), TRUE);
        $this->parse_response();
        return true;
    }

    function photosets_getContext($photo_id, $photoset_id)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.getContext.html */
        $this->request("flickr.photosets.getContext", array("photo_id" => $photo_id, "photoset_id" => $photoset_id));
        $this->parse_response();
        return $this->parsed_response['rsp'];
    }

    function photosets_getInfo($photoset_id)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.getInfo.html */
        $this->request("flickr.photosets.getInfo", array("photoset_id" => $photoset_id));
        $this->parse_response();
        return $this->parsed_response['rsp']['photoset'];
    }

    function photosets_getList($user_id = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.getList.html */
        $this->request("flickr.photosets.getList", array("user_id" => $user_id));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photosets'];
        if (!empty($result['photoset']['id'])) {
            $tmp = $result['photoset'];
            unset($result['photoset']);
            $result['photoset'][] = $tmp;
        }
        return $result;
    }

    function photosets_getPhotos($photoset_id, $extras = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.getPhotos.html */
        $this->request("flickr.photosets.getPhotos", array("photoset_id" => $photoset_id, "extras" => $extras));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photoset'];
        if (!empty($result['photo']['id'])) {
            $tmp = $result['photo'];
            unset($result['photo']);
            $result['photo'][] = $tmp;
        }
        return $result;
    }

    function photosets_orderSets($photoset_ids)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.orderSets.html */
        if (is_array($photoset_ids)) {
            $photoset_ids = implode(",", $photoset_ids);
        }
        $this->request("flickr.photosets.orderSets", array("photoset_ids" => $photoset_ids), TRUE);
        $this->parse_response();
        return true;
    }

    function photosets_removePhoto($photoset_id, $photo_id)
    {
        /* http://www.flickr.com/services/api/flickr.photosets.removePhoto.html */
        $this->request("flickr.photosets.removePhoto", array("photoset_id" => $photoset_id, "photo_id" => $photo_id), TRUE);
        $this->parse_response();
        return true;
    }

    /* Reflection Methods */
    function reflection_getMethodInfo($method_name)
    {
        /* http://www.flickr.com/services/api/flickr.reflection.getMethodInfo.html */
        $this->request("flickr.reflection.getMethodInfo", array("method_name" => $method_name));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['method'];
        if (!empty($result['arguments']['argument']['name'])) {
            $tmp = $result['arguments']['argument'];
            unset($result['arguments']['argument']);
            $result['arguments']['argument'][] = $tmp;
        }
        if (!empty($result['errors']['error']['code'])) {
            $tmp = $result['errors']['error'];
            unset($result['errors']['error']);
            $result['errors']['error'][] = $tmp;
        }
        return $result;
    }

    function reflection_getMethods()
    {
        /* http://www.flickr.com/services/api/flickr.reflection.getMethods.html */
        $this->request("flickr.reflection.getMethods");
        $this->parse_response();
        return $this->parsed_response['rsp']['methods'];
    }

    /* Tags Methods */
    function tags_getListPhoto($photo_id)
    {
        /* http://www.flickr.com/services/api/flickr.tags.getListPhoto.html */
        $this->request("flickr.tags.getListPhoto", array("photo_id" => $photo_id));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['photo'];
        if (!empty($result['tags']['tag']['id'])) {
            $tmp = $result['tags']['tag'];
            unset($result['tags']['tag']);
            $result['tags']['tag'][] = $tmp;
        }
        return $result;
    }

    function tags_getListUser($user_id = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.tags.getListUser.html */
        $this->request("flickr.tags.getListUser", array("user_id" => $user_id));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['who'];
        if (!is_array($result['tags']['tag'])) {
            $tmp = $result['tags']['tag'];
            unset($result['tags']['tag']);
            $result['tags']['tag'][] = $tmp;
        }
        return $result;
    }

    function tags_getListUserPopular($user_id = NULL, $count = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.tags.getListUserPopular.html */
        $this->request("flickr.tags.getListUserPopular", array("user_id" => $user_id, "count" => $count));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['who'];
        if (!empty($result['tags']['tag']['count'])) {
            $tmp = $result['tags']['tag'];
            unset($result['tags']['tag']);
            $result['tags']['tag'][] = $tmp;
        }
        return $result;
    }

    function tags_getRelated($tag)
    {
        /* http://www.flickr.com/services/api/flickr.tags.getRelated.html */
        $this->request("flickr.tags.getRelated", array("tag" => $tag));
        $this->parse_response();
        $result = $this->parsed_response['rsp']['tags'];
        if (!is_array($result['tag'])) {
            $tmp = $result['tag'];
            unset($result['tag']);
            $result['tag'][] = $tmp;
        }
        return $result;
    }

    function test_echo($args = array())
    {
        /* http://www.flickr.com/services/api/flickr.test.echo.html */
        $this->request("flickr.test.echo", $args);
        $this->parse_response();
        return $this->parsed_response['rsp'];
    }

    function test_login()
    {
        /* http://www.flickr.com/services/api/flickr.test.login.html */
        $this->request("flickr.test.login");
        $this->parse_response();
        return $this->parsed_response['rsp']['user'];
    }

    function urls_getGroup($group_id)
    {
        /* http://www.flickr.com/services/api/flickr.urls.getGroup.html */
        $this->request("flickr.urls.getGroup", array("group_id"=>$group_id));
        $this->parse_response();
        return $this->parsed_response['rsp']["group"]["url"];
    }

    function urls_getUserPhotos($user_id = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.urls.getUserPhotos.html */
        $this->request("flickr.urls.getUserPhotos", array("user_id"=>$user_id));
        $this->parse_response();
        return $this->parsed_response['rsp']["user"]["url"];
    }

    function urls_getUserProfile($user_id = NULL)
    {
        /* http://www.flickr.com/services/api/flickr.urls.getUserProfile.html */
        $this->request("flickr.urls.getUserProfile", array("user_id"=>$user_id));
        $this->parse_response();
        return $this->parsed_response['rsp']["user"]["url"];
    }

    function urls_lookupGroup($url)
    {
        /* http://www.flickr.com/services/api/flickr.urls.lookupGroup.html */
        $this->request("flickr.urls.lookupGroup", array("url"=>$url));
        $this->parse_response();
        return $this->parsed_response['rsp']["group"];
    }

    function urls_lookupUser($url)
    {
        /* http://www.flickr.com/services/api/flickr.photos.notes.edit.html */
        $this->request("flickr.urls.lookupUser", array("url"=>$url));
        $this->parse_response();
        return $this->parsed_response['rsp']["user"];
    }
}


?>