PHP生成RSS文件类实例

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:
代码如下:<?php
if (defined('_class_rss_php')) return;
define('_class_rss_php教程',1);
/**
 
 *  使用说明：
 *  $rss = new rss('redfox','http://Vevb.com/',"redfox's blog");
 *  $rss->additem('rss class',"//www.Vevb.com","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 = "<!--l version="1.0" encoding="gb2312"--> ";
       // start channel
       $s .= " ";
       $s .= " "
       $s .= "<link />{$this->channel_link} ";
       $s .= "{$this->channel_description} ";
       $s .= "{$this->language} ";
       if (!emptyempty($this->copyright)) {