[PHP] pobierz, plaintext 
<?php
class rss_parser {
   var $update_interval = 60;    
 
   var $data_directory = &#092;"/home/neoprog/www/rss\";
 
   var $rss_url;
   var $num_to_show;
   var $do_update;
   var $tags = array();
   var $content;
   var $rss = array();
 
   var $feed_title;
   var $feed_link;
   var $feed_description;
 
   var $my_html;
 
   function rss_parser($url, $numtoshow = 10, $html = &#092;"\", $update = 0)
   {
     $this->rss_url = $url;
     $this->num_to_show = $numtoshow;
     $this->do_update = $update;
     $this->my_html = preg_replace(&#092;"/(#{.*?):(.*?})/\", \"1__2\", $html); //xx:xx tag workaround
 
     $this->content = $this->fetch_feed();
     $this->parse_feed();
     $this->show();
   }
 
 
   function fetch_feed()
   { 
     $url_parts = parse_url($this->rss_url);
 
     $filename = $url_parts['host'] . str_replace(&#092;"/\", \",\", $url_parts['path']) . \"_\" . @$url_parts['query'];
     if(file_exists($this->data_directory . &#092;"/$filename\")) {
       $last = filemtime($this->data_directory . &#092;"/$filename\");
       if(time() - $last > $this->update_interval * 60 || $this->update_interval == 0) {
         $update = 1;
       }
     } else {
         $create= 1;
     }
 
     if($create == 1 || ($this->do_update == TRUE && $update == 1)) {
       $fp = @fsockopen($url_parts['host'], 80, $errno, $errstr, 5);
       if (!$fp) {
         echo &#092;"Couldn't open rss feed {$this->feed_url} in {$_SERVER['PHP_SELF']}
 &#092;n\";
         return;
       }
 
       fputs($fp, &#092;"GET \" . $url_parts['path'] . \"?\" . @$url_parts['query'] . \" HTTP/1.0r\n\"
                 .&#092;"Host: \" . $url_parts['host'] . \"r\n\"
                 .&#092;"User-Agent: Drew's RSS Reader 0.1r\n\"
                 .&#092;"Connection: Closer\nr\n\");
 
       while(!feof($fp)) {
         $rss_data .= @fgets($fp, 1024);
       }
 
       list(, $rss_data) = explode(&#092;"r\nr\n\", $rss_data, 2);
 
       $output = @fopen($this->data_directory . &#092;"/$filename\", \"w+\");
       if(!$output) {
         return $rss_data;
       } else {
         flock($output, LOCK_EX);
         fputs($output, $rss_data);
         flock($output, LOCK_UN);
         fclose($output);
       }
     } //update
 
     return file_get_contents($this->data_directory . &#092;"/$filename\");
   }
 
   /* void */
   function parse_feed()
   {
     preg_match(&#092;"//\", $this->content, $title);
     $this->feed_title = @$title[1];
 
     preg_match(&#092;"/(.*?)/\", $this->content, $link);
     $this->feed_link = @$link[1];
 
     preg_match(&#092;"/(.*?)/\", $this->content, $description);
     $this->feed_description = @$description[1];
 
     preg_match_all(&#092;"/]*>(.*?)/s\", $this->content, $items);
     if (sizeof($items[0]) == 0) {
       echo &#092;"No item elements found in rss feed.
 &#092;n\";
     }
 
     for($i = 0; $i < sizeof($items[0]); ++$i) {
       preg_match_all(&#092;"/(?:<([w:]*)[^>]*>(?:)?)+?/si\", preg_replace(\"/]*>/\", \"\", $items[0][$i]), $elements);
       for($j = 0; $j < sizeof($elements[0]); ++$j) {
         $elements[1][$j] = str_replace(&#092;":\", \"__\", $elements[1][$j]);  //regex fix for items with : like dc:date
         $this->rss[$i][$elements[1][$j]] = trim(html_entity_decode($elements[2][$j]));
       }
     }
   }
 
   
   function show()
   {
     if($this->my_html == &#092;"\") {
       $this->show_html();
     } else {
       $this->show_user_html();
     }
   }
 
   function show_html()
   {
     $show = (sizeof($this->rss)  > $this->num_to_show ? $this->num_to_show : sizeof($this->rss));
     for($i = 0; $i < $show; ++$i) {
       echo &#092;"- rss[$i]['link']}\" target=\"_new\">{$this->rss[$i]['title']}
 &#092;n\";
     }
   }
 
   function show_user_html()
   {
     $show = (sizeof($this->rss) > $this->num_to_show ? $this->num_to_show : sizeof($this->rss));
     for($i = 0; $i < $show; ++$i) {
       extract($this->rss[$i]);
       $item = preg_replace(&#092;"/#{([^}]+)}/e\", \"$1\", $this->my_html);
       echo $item;
     }
   }
 
 } // end class
 
 
 ?>
[PHP] pobierz, plaintext