问PHP生成XML，随机超时

EN

<?php
require_once("../includes/class.database.php");
require_once("../includes/dbConnectInfo.inc");
require_once("../includes/functions.php");

include("../includes/conn.php");

$cat = $_GET['category'];
$result = mysql_query("SELECT * FROM media WHERE related_page_id=4 && type='copy' ORDER BY id ASC LIMIT 6");

$media = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\" ?>\n";
$media .= "<content>\n";
while($row = mysql_fetch_array($result)) {
    $media .="<member>\n";
    $body = $row[copy];

    if($row[title] == "") {
        $media .= "<title><![CDATA[";
        $media .= "Team";
        $media .="]]></title>\n";
    } elseif ($row['path']=="") {
        $name = explode("/",$row[title],2);

        $media .= "<name><![CDATA[";
        $media .= $name[0];
        $media .="]]></name>\n";

        $media .= "<job><![CDATA[";
        $media .= $name[1];
        $media .="]]></job>\n";
    } 

    if($body !="") {
        $media .="<bio><![CDATA[";
        $media .= $body;
        $media .= "]]></bio>\n";
    }

    $something = $row['id'];
    $result1 = mysql_query("SELECT * FROM media WHERE assets='$something'");
    $media .= "<images>";
    while($row1 = mysql_fetch_array($result1)) {
        $img = explode("/",$row1[path],2);
        $media .= "<image url='$img[1]' />";
    }
    $media .= "</images>\n";
    $media .="</member>\n";
}   
$media .= "</content>";
echo $media;
?>