PHP生成RSS文件类实例_PHP教程

PHP生成RSS文件类实例

 PHP RSS 生成类实例代码如下:

代码如下:

if (defined('_class_rss_php')) return;
define('_class_rss_php教程',1);
/**
 
 *  使用说明：
 *  $rss = new rss('redfox','http://jb51.net/',"redfox's blog");
 *  $rss->additem('rss class',"http://www.jb51.net","xxx",date());
 *  $rss->additem(...);
 *  $rss->savetofile(...);
 */
 
class rss {
   //public
   $rss_ver = "2.0";
   $channel_title = '';
   $channel_link = '';
   $channel_description = '';
   $language = 'zh_cn';
   $copyright = '';
   $webmaster = '';
   $pubdate = '';
   $lastbuilddate = '';
   $generator = 'redfox rss generator';
 
   $content = '';
   $items = array();
 
   function rss($title, $link, $description) {
       $this->channel_title = $title;
       $this->channel_link = $link;
       $this->channel_description = $description;
       $this->pubdate = date('y-m-d h:i:s',time());
       $this->lastbuilddate = date('y-m-d h:i:s',time());
   }
 
   function additem($title, $link, $description ,$pubdate) {
       $this->items[] = array('titile' => $title ,
                        'link' => $link,
                        'description' => $description,
                        'pubdate' => $pubdate);
   }
 
   function buildrss() {
       $s = " ";
       // start channel
       $s .= " ";
       $s .= " "
       $s .= "{$this->channel_link} ";
       $s .= "{$this->channel_description} ";
       $s .= "{$this->language} ";
       if (!emptyempty($this->copyright)) {
          $s .= "{$this->copyright} ";
       }
       if (!emptyempty($this->webmaster)) {
          $s .= "{$this->webmaster} ";
       }
       if (!emptyempty($this->pubdate)) {
          $s .= "{$this->pubdate} ";
       }
 
       if (!emptyempty($this->lastbuilddate)) {
          $s .= "{$this->lastbuilddate} ";
       }
 
       if (!emptyempty($this->generator)) {
          $s .= "{$this->generator} ";
       }
      
       // start items
       for ($i=0;$iitems),$i++) {
           $s .= " ";
           $s .= " ";
           $s .= "{$this->items[$i]['link']} ";
           $s .= "items[$i]['description']}]]> ";
           $s .= "{$this->items[$i]['pubdate']} ";          
           $s .= " ";
       }
     
      // close channel
      $s .= " ";
      $this->content = $s;
   }
 
   function show() {
       if (emptyempty($this->content)) $this->buildrss();
       header('content-type:text/xml');
       echo($this->content);
   }
 
   function savetofile($fname) {
       if (emptyempty($this->content)) $this->buildrss();
       $handle = fopen($fname, 'wb');
       if ($handle === false)  return false;
       fwrite($handle, $this->content);
       fclose($handle);
   }
}
?>

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