RSS类

<?php
/**
* Class name: RSS
*/
class RSS {
    //public
    var $rss_ver = "2.0";
    var $channel_title = '';
    var $channel_link = '';
    var $channel_descrīption = '';
    var $language = 'zh_CN';
    var $copyright = '';
    var $webMaster = '';
    var $pubDate = '';
    var $lastBuildDate = '';
    var $generator = 'RedFox RSS Generator';

    var $content = '';
    var $items = array();

    /**************************************************************************/
    // 函数名: RSS
    // 功能: 构造函数
    // 参数: $title
    // $link
    // $descrīption
    /**************************************************************************/
    function RSS($title, $link, $descrīption) {
        $this->channel_title = $title;
        $this->channel_link = $link;
        $this->channel_descrīption = $descrīption;
        $this->pubDate = Date('Y-m-d H:i:s',time());
        $this->lastBuildDate = Date('Y-m-d H:i:s',time());
    }
    /**************************************************************************/
    // 函数名: AddItem
    // 功能: 添加一个节点
    // 参数: $title
    // $link
    // $descrīption $pubDate
    /**************************************************************************/
    function AddItem($title, $link, $descrīption ,$pubDate) {
        $this->items[] = array('title' => $title ,'link' => $link,'descrīption' => $descrīption,'pubDate' => $pubDate);
    }
    /**************************************************************************/
    // 函数名: BuildRSS
    // 功能: 生成rss xml文件内容
    /**************************************************************************/
    function BuildRSS() {
        $s = "<?xml version='1.0' encoding='utf-8'?>\n<rss version='2.0'>\n";
        // start channel
        $s .= "<channel>\n";
        $s .= "<title><![CDATA[{$this->channel_title}]]></title>\n";
        $s .= "<link><![CDATA[{$this->channel_link}]]></link>\n";
        $s .= "<descrīption><![CDATA[{$this->channel_descrīption}]]></descrīption>\n";
        $s .= "<language>{$this->language}</language>\n";
        if (!empty($this->copyright)) {
            $s .= "<copyright><![CDATA[{$this->copyright}]]></copyright>\n";
        }
        if (!empty($this->webMaster)) {
            $s .= "<webMaster><![CDATA[{$this->webMaster}]]></webMaster>\n";
        }
        if (!empty($this->pubDate)) {
            $s .= "<pubDate>{$this->pubDate}</pubDate>\n";
        }

        if (!empty($this->lastBuildDate)) {
            $s .= "<lastBuildDate>{$this->lastBuildDate}</lastBuildDate>\n";
        }

        if (!empty($this->generator)) {
            $s .= "<generator>{$this->generator}</generator>\n";
        }
        // start items
        for ($i=0;$i<count($this->items);$i++) {
            $s .= "<item>\n";
            $s .= "<title><![CDATA[{$this->items[$i]['title']}]]></title>\n";
            $s .= "<link><![CDATA[{$this->items[$i]['link']}]]></link>\n";
            $s .= "<descrīption><![CDATA[{$this->items[$i]['descrīption']}]]></descrīption>\n";
            $s .= "<pubDate>{$this->items[$i]['pubDate']}</pubDate>\n";          
            $s .= "</item>\n";
        }
        // close channel
        $s .= "</channel>\n</rss>";
        $this->content = $s;
    }
    /**************************************************************************/
    // 函数名: Show
    // 功能: 将产生的rss内容直接打印输出
    /**************************************************************************/
    function Show() {
        if (empty($this->content)) $this->BuildRSS();
        echo($this->content);
    }
    /**************************************************************************/
    // 函数名: SaveToFile
    // 功能: 将产生的rss内容保存到文件
    // 参数: $fname 要保存的文件名
    /**************************************************************************/
    function SaveToFile($fname) {
        $handle = fopen($fname, 'wb');
        if ($handle === false) return false;
        fwrite($handle, $this->content);
        fclose($handle);
    }

    function getFile($fname) {
        $handle = fopen($fname, 'r');
        if ($handle === false) return false;
        while(!feof($handle)){
            echo fgets($handle);
        }
        fclose($handle);
    }
}
?>

foreach($result as $row) {
    $rss->AddItem('标题','链接地址','描述','发布时间');
    //具体参数根据上面的php类调整，这里仅作示例
}
$rss->RSS('','','');
$rss->BuildRSS();
$rss->SaveToFile('rss.xml');
$rss->getFile('rss.xml');