高分求引用远程rss内容的代码

还要怎么详细呢？
MagpieRSS就是一个读取rss的php类，都给你做好了如果你想自己写，那么应先找到各种rss版本的规范，然后编程解析xml文档。
当然也可以参考MagpieRSS

Rss其实很简单，为什么不拿规范来看看呢？

<?php
/*************************************************
* 本单元写于：
* 作者 : 李腾秋
* E-Mail : [email protected]
* 版权所有
*************************************************/
/*************************************************
作用: RSS生成器
*************************************************/
if(!defined(__FILE__))
{
    define(__FILE__ , 1) ;
define('RSS_DATE_FORMAT','D, j M Y H:i:s +0800');
class rss
{
    var        $version='2.0';
        var $xml_version='1.0';
        var $channel=array();
        var $encode='utf-8';
        var $source_encode='gb2312';
        var $css='';
        function rss($title,$url,$description=''){
                $this->channel['title']=$title;
                $this->channel['url'] = $url;
                $this->channel['description'] = $description;
                $this->channel['language']='zh-cn';
                $this->channel['ttl']='30';
                $this->channel['generator']='LTQ RSS generator v0.1';
                $this->channel['pubDate']=date(RSS_DATE_FORMAT);
                $this->channel['item']=array();
    }
        function setCSS($value)
        {
                $this->css=$value;
        }
        function set($element, $value)
        {
                $this->channel[$element]=$value;
        }
        function setImage($title,$url,$link,$width=88,$height=31, $description='')
        {
                $image = array();
                $image['title']=$title;
                $image['url']=$url;
                $image['link']=$link;
                if($width > 144) $width=144;
                $image['width']=$width;
                if($width > 400) $width=400;
                $image['height']=$height;
                $image['description']=$description;                $this->channel['image']=$image;
        }
    function addItem($title,$link,$description,
                $pubDate='',$author='', $category='', $comments='', $source='')
        {
                $item=array();
                $item['title']=$title;
                $item['link']=$link;
                $item['description']=$description;
                if($pubDate!='')
                {
                        $pubDate=date(RSS_DATE_FORMAT, $pubDate);
                        $item['pubDate']=$pubDate;
                }
                if($author!='') $item['author']=$author;
                if($category!='') $item['category']=$category;
                if($comments!='') $item['comments']=$comments;
                if($source!='') $item['source']=$source;                $this->channel['item'][]=$item;
        }
        function _encode()
        {
                $s = $this->source_encode;
                $d = $this->encode;
                if($s==$d) return;
                if(!function_exists('iconv'))
                {
                        $this->encode =  $this->source_encode;
                        return ;
                }
                $this->__encode($this->channel);
        }
        function __encode( & $data)
        {
                if(is_string($data))
                {
                        $data=        iconv($this->source_encode, $this->encode, $data);
                        return ;
                }
                if(is_array($data))
                {
                        foreach($data as $k=>$v)
                        {
                                $this->__encode($data[$k]);
                        }
                        return ;
                }
        }        function getDoc()
        {
                $this->_encode();
                //下面这一个分开为了避免php遇到字符串 < ? ? > 时会出错,
                $xml='<'.'?xml version="1.0" encoding="'.$this->encode.'"?'.'>';
                if($this->css!='') $xml .='<?xml-stylesheet type="text/css" href="'.$this->css.'"?>';
                $xml .='<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/">
<channel>';
                foreach($this->channel as $k=>$v)
                {
                        if(is_scalar($v))
                                $xml .="<{$k}>{$v}</{$k}>";
                }                if(isset($this->channel['image']))
                {
                        $xml.="<image>";
                        foreach($this->channel['image'] as $k=>$v)
                                $xml .="<{$k}>{$v}</{$k}>";
                        $xml.="</image>";
                }                if(count($this->channel['item'])>0)
                {
                        foreach($this->channel['item'] as $item)
                        {
                                $xml .= "<item>";
                                foreach($item as $k=>$v)
                                {
                                        if($k=='description') $xml .="<description><![CDATA[ {$v} ]]></description>";
                                        else $xml .="<{$k}>{$v}</{$k}>";
                                }
                                $xml .= "</item>";
                        }
                }                $xml.='</channel></rss>';
                return $xml;
        }
        function SaveToFile($file)
        {
                $f = @fopen($file,'w');
                if($f)
                {
                        fwrite($f, $this->getDoc());
                        fclose($f);
                }else{
                        exit( "<div>写入文件 {$file} 失败.请确定文件夹存在且可写入.</div>");
                }
        }}//end class
}//end if?>
/*
$obj=new rss('我的频道','http://www.zazabo.com', '');
$obj->setImage('图片标题','http://www.zazabo.com/images/logo1.gif','http://www.zazabo.com');
for($i=0;$i<9;$i++)
        $obj->addItem("标题-[{$i}]", 'http://www.zazabo.com','描述******* [{$i}]');
$fp = fopen('e:\\mm.xml','w');
fwrite($fp, $obj->getDoc());
fclose($fp);*/

这个可以<?php
function my_headlines($url) {
    $rdf = parse_url($url);
    $fp = fsockopen($rdf[ host ], 80, $errno, $errstr, 15);
    if (!$fp) {
        $content = "<font class=\"content\">Problema!</font>";
        return;
    }
    if ($fp) {
        fputs($fp, "GET " . $rdf[ path ] . "?" . $rdf[ query ] . " HTTP/1.0\r\n");
        fputs($fp, "HOST: " . $rdf[ host ] . "\r\n\r\n");
        $string = "";
        while(!feof($fp)) {
     $pagetext = fgets($fp,300);
     $string .= chop($pagetext);
}
fputs($fp,"Connection: close\r\n\r\n");
fclose($fp);
$items = explode("</item>",$string);
for ($i=0;$i<10;$i++) {
     $link = ereg_replace(".*<link>","",$items[$i]);
     $link = ereg_replace("</link>.*","",$link);
     $title2 = ereg_replace(".*<title>","",$items[$i]);
     $title2 = ereg_replace("</title>.*","",$title2);
     if ($items[$i] == "") {
         $content = "";
         return;
     } else {
         if (strcmp($link,$title)) {
          $cont = 1;
      $content .= "<li><a href=\"$link\" target=\"_blank\">$title2</a></li>\r\n";
  }
     }
}
    }
    echo "$content";
}my_headlines("http://learning.sohu.com/rss/jiaoyuxinwen.xml");
?>

调试易

高分求引用远程rss内容的代码

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