ecshop 远程商品详情图片本地化

<?php
set_time_limit(0);
include("data/config.php");

$link=mysql_connect($db_host,$db_user,$db_pass)or die("connect error");
mysql_select_db($db_name,$link)or die(mysql_error());
mysql_query("set names utf8");

header("Content-type:text/html;charset=utf-8");

$id=intval($_GET['id']);


if($id==0){

$sql="select `goods_id`,`goods_name`,`goods_desc` from `p_goods` order by goods_id desc ";
$res=mysql_query($sql);
while($row=mysql_fetch_array($res))
{
$aa="<span style='color:#ccc;font-size:12px;'>无远程图片</span>";
if(preg_match('/(http:\/\/)/i', $row['goods_desc'])){
	$aa="<a target='_blank' href='?id=".$row['goods_id']."'>Go Get It</a>";
}
	echo $row['goods_id']." ".$row['goods_name']." ".$aa."<br/>";
}

exit();
}





sleep(1);


$sql="select `goods_desc` from `p_goods` where `goods_id`='$id' limit 1";
$res=mysql_fetch_array(mysql_query($sql));

preg_match_all('/src=[\'|"]([^"|^\']+)[\'|"]/i', $res[0], $picurl); 
$urlArr=$picurl[1];
/*
print_r($urlArr);
die();
$urlArr[]="http://static.oschina.net/uploads/user/129/258733_50.jpg";
$urlArr[]="http://static.oschina.net/uploads/img/201302/16195715_kPci.png";
*/
$num= isset($_GET['num']) ? $_GET['num'] : 1;

$all=count($urlArr);


$url=$urlArr[$num-1]; 


if(!preg_match('/(http:\/\/)/i', $url)){
	if($num >= $all) {
	exit('<br/>all done!');
	}
	echo $url."<br/> 已处理";
	echo "<script>location.href='?id={$id}&num=".($num+1)."'</script>";
	exit();
} 


 
$array=@get_headers($url,1);

echo $url."<br/><br/>";

if(preg_match('/200/',$array[0])){

	ob_start();	
	readfile($url);
	$img = ob_get_contents();
	ob_end_clean(); 
 	$dir="images/goods_desc";
	
	  if (!file_exists($dir))
	  {
	   mkdir($dir, 0777);
	  }
	
	$filename=$dir."/".mt_rand(11111,9999999999).time().".jpg";
	$f=fopen($filename,'a');
	$fres=fwrite($f,$img);
	fclose($f);
	
	if($fres!=false){
		$goods_desc=str_replace($url,"/".$filename,$res[0]);
		$sql="update `p_goods` set  `goods_desc` = '$goods_desc' where `goods_id`='$id' limit 1 ";
		mysql_query($sql);
	}
	
}

echo $num."/".$all;

if($num >= $all) {

exit('<br/>all done!');
}
else{

echo "<script>location.href='?id={$id}&num=".($num+1)."'</script>";
}




?>