这篇文章主要介绍了php生成rss文件类,可实现php生成rss文件的功能,对于网站建设与优化来说具有一定的实用价值,需要的朋友可以参考下
本文实例讲述了php生成rss文件类文件。分享给大家供大家参考。具体如下：
php rss 生成类实例代码如下:
复制代码 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);
   }
}
?>
希望本文所述对大家的php程序设计有所帮助。
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