PHP fsockopen/curl がターゲットのリダイレクト後にページ コードを取得する方法に関連する問題

ターゲットのリダイレクト

PHP コード

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<? 
$ghurl = isset($_GET['id']) ? $_GET['id']:'http://3gabc.com/'; 
// php 获取 
function getContents($url){ 
$header = array("Referer: http://3gabc.com/"); 
$ch = curl_init(); 
curl_setopt($ch, CURLOPT_URL, $url); 
curl_setopt($ch, CURLOPT_TIMEOUT, 30); 
curl_setopt($ch, CURLOPT_HTTPHEADER,$header); 
curl_setopt($ch, CURLOPT_FOLLOWLOCATION,1);  //是否抓取跳转后的页面
ob_start(); 
curl_exec($ch); 
$contents = ob_get_contents(); 
ob_end_clean(); 
curl_close($ch); 

return $contents; 
} 

$contents = getContents($ghurl); 
echo $contents; 
?> 

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PHP コード

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<?php
function get_page_content($url){
 $url = eregi_replace('^http://', '', $url);
 $temp = explode('/', $url);
 $host = array_shift($temp);
 $path = '/'.implode('/', $temp);
 $temp = explode(':', $host);
 $host = $temp[0];
 $port = isset($temp[1]) ? $temp[1] : 80;
 $fp = @fsockopen($host, $port, &$errno, &$errstr, 30);
 if ($fp){
     @fputs($fp, "GET ".$path." HTTP/1.1\r\nHost: ".$host." \r\nAccept: */*\r\nReferer:".$url." \r\nUser-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\nConnection: Close\r\n\r\n");
 }
 $Content = '';
 while ($str = @fread($fp, 4096)){
     $Content .= $str;
 }
 @fclose($fp);
 //echo $Content;
 //重定向
 if(preg_match("/^HTTP\/\d.\d 301 Moved Permanently/is",$Content)){
  if(preg_match("/Location:\s+(.*?)\s+/is",$Content,$murl)){ 
      return get_page_content($url."/".$murl[1]);
  }
 }

 //读取内容
 if(preg_match("/^HTTP\/\d.\d 200 OK/is",$Content)){
  preg_match("/Content-Type:(.*?)\r\n/is",$Content,$murl);
  $contentType=trim($murl[1]);
  $Content=explode("\r\n\r\n",$Content,2);
  $Content=$Content[1];
 }
 return $Content;
}


echo get_page_content('3gabc.com');

?>

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