Support/Comments for TweetLines 0.1-final

<?php
/**
 * @name TweetLines
 * @author Philippe Delberghe
 * @license GPLv3
 * @version 0.1+
 * This version : 12/3/2010 by Matt Considine; add link from Tweet, use "human elapsed time", add rel=nofollow
 * This snippet returns the last tweets from the user twitter in the current
 * page. 
 * 
 * &name=`ArtImpulsion`
 * Pass through a name to the snippet. You can use your own Twitter ID by
 * prefixing the name with an @. mandatory if you want to get something.....
 * 
 * &nbt=`5` 
 * number of tweets to show. Optional.
 * 
 * example : [!TweetLines?&name=`ArtImpulsion`&nbt=`10`!]
 */

//
// based on a publish on www.acornartwork.com turned into a ModX snippet
// By FildeFer (Philippe Delberghe) for VD Graphics (France) www.vdgraphics.com
// 
// ---------------------------------------------------
//  Check input variables
// ---------------------------------------------------
$name = (isset($name)) ? $name : '';

if (isset($nbt)) {
    if (!is_numeric($nbt)) {
        $modx->logEvent(1, 3, 'TweetLines: &nbt was not numeric: ' . $nbt, 'TweetLines - Snippet');
    }
} else {
    $nbt ="5";
}

$mytweets = fetch_tweets($name, $nbt);
$twit = "";
$twit = $twit . '<ul class="twitter-updates">';
foreach ($mytweets as $k => $v) {
 $twit = $twit . '<li>';
$twit = $twit .  '<span class="update">' .$v['desc']. '</span>';
$twit = $twit . ' <span class="date"><a href="'.$v['link'].'"  style="display:block;color:#666666;font-size:11px;" >' .$v['date']. '</a></span>';  //MattC ala CNN
$twit = $twit .  '</li>';
}
$twit = $twit .  '</ul>';

return $twit;

function humanTiming ($origltime)  //MattC from stackoverflow.com
{
    $timehurdle = 2*3600; //MattC e.g. anything older than 2 hours will just show the timestamp

    $time = time() - $origltime; // to get the time since that moment

    $tokens = array (
        31536000 => 'year',
        2592000 => 'month',
        604800 => 'week',
        86400 => 'day',
        3600 => 'hour',
        60 => 'minute',
        1 => 'second'
    );

    foreach ($tokens as $unit => $text) {
        if ($time < $unit) continue;
        $numberOfUnits = floor($time / $unit);
        if ($time < $timehurdle)  //MattC
        {
        $timestamp = 'about '.$numberOfUnits.' '.$text.(($numberOfUnits>1)?'s':'').' ago';  //MattC
        }
        else
        {
          //date_default_timezone_set('America/New_York');
          $timestamp = date('M j, Y h:i:s A e',$origltime);  //MattC
        }
        return $timestamp; //MattC
    }

}



function fetch_tweets($username, $maxtweets) {
     //Using simplexml to load URL
     $tweets = simplexml_load_file("http://twitter.com/statuses/user_timeline/" 
         . $username . ".rss");

     $tweet_array = array();  //Initialize empty array to store tweets
     foreach ( $tweets->channel->item as $tweet ) { 
          //Loop to limitate nr of tweets.
          if ($maxtweets == 0) {
               break;
          } else {
               $twit = $tweet->description;  //Fetch the tweet itself

               //Remove the preceding 'username: '
               $twit = substr(strstr($twit, ': '), 2, strlen($twit));

               // Convert URLs into hyperlinks
               $twit = preg_replace("/(http:\/\/)(.*?)\/([\w\.\/\&\=\?\-\,\:\;\#\_\~\%\+]*)/", 
                      "<a href=\"\\0\" rel=\"nofollow\">\\0</a>", $twit);  //MattC

               // Convert usernames (@) into links 
               $twit = preg_replace("(@([a-zA-Z0-9\_]+))", 
                    "<a href=\"http://www.twitter.com/\\1\">\\0</a>", $twit);

               // Convert hash tags (#) to links 
               $twit = preg_replace('/(^|\s)#(\w+)/', 
                    '\1<a href="http://search.twitter.com/search?q=%23\2">#\2</a>', $twit);

               //Specifically for non-English tweets, converts UTF-8 into ISO-8859-1
               $twit = iconv("UTF-8", "ISO-8859-1//TRANSLIT", $twit);

               //Get the date it was posted
               $pubdate = strtotime($tweet->pubDate); 
               $propertime = humanTiming($pubdate);  //MattC

               //Store tweet and time into the array
               $tweet_item = array(
                     'desc' => $twit,
                     'date' => $propertime,
                     'link' => $tweet->link  //MattC
               );
               array_push($tweet_array, $tweet_item);

               $maxtweets--;
          }
     }
     //Return array
     return $tweet_array;
}
?>

<?php
//fetchTweets
//Snippet author : Matt Considine 12/3/2010
//Based on http://scriptplayground.com/tutorials/php/Twitter-Integration-Class-Using-PHP5-and-cURL/

class Twitter 
{
  public $tweets = array();
  public function __construct($user, $limit = 5) 
  {
    $user = str_replace(' OR ', '%20OR%20', $user);
    $feed = curl_init('http://search.twitter.com/search.atom?q=from:'. $user .'&rpp='. $limit);
    curl_setopt($feed, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($feed, CURLOPT_HEADER, 0);
    $xml = curl_exec($feed);
    curl_close($feed);
    $result = new SimpleXMLElement($xml);
    foreach($result->entry as $entry) 
    {
        $tweet = new stdClass();
        $tweet->id = (string) $entry->id;
        $user = explode(' ', $entry->author->name);
        $tweet->user = (string) $user[0];
        $tweet->author = (string) substr($entry->author->name, strlen($user[0])+2, -1);
        $tweet->title = (string) $entry->title;
        $tweet->content = (string) $entry->content;
        $tweet->updated = (int) strtotime($entry->updated);
        $tweet->permalink = (string) $entry->link[0]->attributes()->href;
        $tweet->avatar = (string) $entry->link[1]->attributes()->href;
        array_push($this->tweets, $tweet);
    }
    unset($feed, $xml, $result, $tweet);
  }
  public function getTweets() { return $this->tweets; }
}

if (!function_exists('humanTiming')) {
function humanTiming ($origltime)  //MattC from stackoverflow.com
{
    $timehurdle = 2*3600; //MattC e.g. anything older than 2 hours will just show the timestamp

    $time = time() - $origltime; // to get the time since that moment

    $tokens = array (
        31536000 => 'year',
        2592000 => 'month',
        604800 => 'week',
        86400 => 'day',
        3600 => 'hour',
        60 => 'minute',
        1 => 'second'
    );

    foreach ($tokens as $unit => $text) {
        if ($time < $unit) continue;
        $numberOfUnits = floor($time / $unit);
        if ($time < $timehurdle)  //MattC
        {
        $timestamp = 'about '.$numberOfUnits.' '.$text.(($numberOfUnits>1)?'s':'').' ago';  //MattC
        }
        else
        {
          //date_default_timezone_set('America/New_York');
          $timestamp = date('M j, Y h:i:s A e',$origltime);  //MattC
        }
        return $timestamp; //MattC
    }
}
} //if exists

$feed = new Twitter('modxcms', 5);  //change this for feed and number desired
$tweets = $feed->getTweets();

$twit = "";
$twit .= '<ul class="twitter-updates">';
foreach ($tweets as $tweet) 
{//available fields : id, user, author, title, content, updated, permalink, avatar
  $twit .= '<li>';
  //$twit .= 'Id : '.$tweet->id.' User : '.$tweet->user.' Title : '.$tweet->title;
  //$twit .= '<img src="'.$tweet->avatar.'" />';
  $twit .= '<span class="update">' .$tweet->content. '</span>';
  $twit .= ' by '.$tweet->author;
  $twit .= ' <span class="date"><a href="'.$tweet->permalink.'"  style="display:block;color:#666666;font-size:11px;" >' .humanTiming($tweet->updated). '</a></span>';  //MattC ala CNN
  $twit .= '</li>';
}
$twit .= '</ul>';

return $twit;
?>

http://twitter.com/statuses/user_timeline/162369603.rss