<?php
$tw_user = ''; // Twitter username
$tw_pass = ''; // Twitter password
$tw_key = 'twitter'; // Unique key to cache tweets
$tw_count = 5; // Number of tweets to get
$tw_timeout = 300; // How long to cache tweets in seconds
 
$updates = apc_fetch($tw_key);
if(!$updates) {
   $timelines = array();
   $tw_auth = $tw_user . ':' . $tw_pass;
   $timeline_url = 'http://twitter.com/statuses/user_timeline.xml?count=' . $tw_count . '&screen_name=' . $tw_user;
   $retweet_url = 'https://api.twitter.com/1/statuses/retweeted_by_me.xml?count=' . $tw_count;
 
   // Get regular tweets
   $curl = curl_init();
   curl_setopt($curl, CURLOPT_URL, $timeline_url);
   curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
   $timelines[] = curl_exec($curl);
   curl_close($curl);
 
   // Get retweets
   $curl = curl_init();
   curl_setopt($curl, CURLOPT_URL, $retweet_url);
   curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
   curl_setopt($curl, CURLOPT_USERPWD, $tw_auth);
   curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
   curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
   $timelines[] = curl_exec($curl);
   curl_close($curl);
 
   $updates = array();
 
   // Set up replace patterns
   $patterns = array('#(http\://[^\s]*)#i',
               '/@([a-z1-9_]+)/i',
               '/(#[a-z1-9_]+)/i');
   $replace = array('<a href="$1" target="_blank">$1</a>',
               '@<a href="http://twitter.com/$1" target=_blank">$1</a>',
               '<a href="http://twitter.com/search?q=$1" target=_blank">$1</a>');
   foreach($timelines as $timeline) {
      $xmlDoc = DOMDocument::loadXML($timeline);
      $statuses = $xmlDoc->getElementsByTagName('status');
      if($statuses->length > 0) {
         foreach($statuses as $status) {
            $id = intval($status->getElementsByTagName('id')->item(0)->nodeValue);
            $text = $status->getElementsByTagName('text')->item(0)->nodeValue;
            $date = strtotime($status->getElementsByTagName('created_at')->item(0)->nodeValue);
            $text = preg_replace($patterns, $replace, $text); // Parse links
            $updates[$id] = array($text, $date);
         }
      }
   }
 
   krsort($updates); // Sort tweets by id
   $updates = array_slice($updates, 0, $tw_count); // Limit tweet count
 
   apc_store($tw_key, $updates, $tw_timeout); // Cache data
}
?>