<?php
/**
 * get a list of your comments on myspace
 * and then make an rss feed out of them
 *
 * @author Aaron Saray
 */
 
/***********************************************************************************
 * Editable content here:
 **********************************************************************************/
 
/**
 * set url:  most likely
 * www.myspace.com/username
 */
$URL = 'http://www.myspace.com/yourusername';
 
/***********************************************************************************
 * END Editable content here:
 **********************************************************************************/
 
/**
 * class to parse out the comments and create to rss
 */
class myspaceCommentToRSS
{
 
    /**
     * the URL of the page
     *
     * @var string
     */
    protected $_URL = '';
 
    /**
     * The commentee's username
     *
     * @var string
     */
    protected $_username = '';
 
    /**
     * the simplexml object
     * @var object
     */
    protected $_rss = null;
 
    /**
     * the myspace details
     * @var array
     */
    protected $_mySpaceData = array();
 
    /**
     * output file
     */
    protected $_outputFile = '';
 
    /**
     * constructor takes in the URL
     *
     * @param string $url
     */
    public function __construct($url)
    {
        /** set url **/
        $this->_URL = $url;
 
        /** create output filename **/
        $this->_outputFile = $_SERVER['DOCUMENT_ROOT'] . '/myspace/newestcomments.xml';
    }
 
    /**
     * output the xml
     */
    public function outputXML()
    {
        /** make sure we can get the data even **/
        $this->_parseMySpaceData();
 
        /** build the rss element **/
        $this->_buildXML();
 
        /** deposit it **/
        $this->_writeXML();
    }
 
    /**
     * parses out all of our data from my space that we'll need
     */
    protected function _parseMySpaceData()
    {
        /** get the host/url/nick out of here, this is done very programmatically **/
        $parts = explode('/', substr($this->_URL, strpos($this->_URL, '/')+2));
        $this->_username = $parts[count($parts)-1];
 
        /** open our connection **/
        $fp = fsockopen($parts[0], 80, $errno, $errstr, 30);
 
        if (!$fp) {
            die(print "Unable to open host");
        } else {
            /** make our request **/
            $out = "GET /{$parts[1]} HTTP/1.1rn";
            $out .= "Host: {$parts[0]}rn";
            $out .= "Connection: Closernrn";
            fwrite($fp, $out);
 
            /** gather our respsonses **/
            $f = '';
            while (!feof($fp)) {
                $f .= fgets($fp, 128);
            }
 
            /** close and be done **/
            fclose($fp);
        }
 
        /**
         * $f now contains the response, so match out all the data
         *
         * Thanks to makedatamakesense.com for this regular expression - saved me
         * some time
         */
        preg_match_all($REPLACEMESEEBOTTOM, $f, $matches, PREG_SET_ORDER);
 
        /** now sort out the data nicely **/
        foreach ($matches as $match) {
            /**
             * notes:
             * 0 = the full match
             * 1 = posters profile link
             * 2 = posters current nick
             * 3 = posters current profile pic
             * 4 = posted date
             * 5 = post content
             *
             * Double htmlentities because I don't want to include a huge entity file
             * Finally, a hardset replace so i can get normal line breaks
             */
            $this->_mySpaceData[] = array (
                                            'title'=>htmlentities(htmlentities(trim($match[2]) . ' - ' . trim($match[4]), ENT_NOQUOTES), ENT_NOQUOTES),
                                            'description'=>str_replace('<br />', '', htmlentities(htmlentities(trim($match[5]), ENT_NOQUOTES), ENT_NOQUOTES))
                                           );
        }
 
    }
 
    /**
     * builds our xml element
     */
    protected function _buildXML()
    {
        /** create new rss element **/
        $this->_rss = new simpleXMLElement('<rss version="2.0"></rss>');
 
        /** add our child and then add the standard identifiers to it **/
        $channel = $this->_rss->addChild('channel');
        $channel->addChild('title', "Comments for " . $this->_username);
        $channel->addChild('link', $this->_URL);
        $channel->addChild('description', 'RSS feed for MySpace comments');
        $channel->addChild('language', 'en-us');
        $channel->addChild('pubDate', date('r'));
        $channel->addChild('lastBuildDate', date('r'));
 
        /** loop through each myspace data array item and add an item for each **/
        foreach ($this->_mySpaceData as $data) {
            $item = $channel->addChild('item');
            $item->addChild('title', $data['title']);
            $item->addChild('description', $data['description']);
        }
    }
 
    /**
     * writes our xml document
     */
    protected function _writeXML()
    {
        $fp = fopen($this->_outputFile, 'w');
        fputs($fp, $this->_rss->asXML());
        fclose($fp);
    }
}
 
/** new instance **/
$rss = new myspaceCommentToRss($URL);
 
/** output the xml for the rss feed **/
$rss->outputXML();
?>

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