socket111111

<?
//------socket开始------------------------------------------------
function socket_smj($send){ 
 error_reporting(E_ALL);
 set_time_limit(0);
 //echo "<h2>TCP/IP Connection</h2>/n";
 $service_port = 0;
 $address = "0.0.0.33";//
 $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
 if ($socket < 0)
 {
  echo "socket_create() failed: reason: " . socket_strerror($socket) . "/n";
 }else
 {
  //echo "创建socket成功<br>/n";
 }
 //echo "试图连接 '$address' 端口 '$service_port'...<br>";
 $result = socket_connect($socket, $address, $service_port);
 if ($result < 0)
 {
  echo "socket_connect() failed./nReason: ($result) " . socket_strerror($result) . "/n";
 }else
 {
  // echo "连接OK<br>";
 }
 if(!socket_send($socket, $send, strlen($send),0))
 {
  echo "socket_write() failed: reason: " . socket_strerror($socket) . "/n";
 }else
 {
  //echo "发送到服务器信息成功！<br>";
 }
/* socket_recv($socket,$str,512,0); // 接收返回报文长度
 if (!empty($str))
 {
  echo "<br>".$str;
  //unset($str);
  socket_close($socket); // 关闭tcp连接
 }*/
  $str='';
  @socket_recv($socket,$str,8,0);

    if (!empty($str))
    {
  
         $len = substr($str,4,7);

   //echo "<br>".$len;
    $back='';
    $back=$str;
         unset($str);
  
  while ($len > 0)
  {
    $rev_r2 = @socket_recv($socket,$str,1,0);
    $back .= $str;
    $len -= 1;
   }
   $str = $back;
  // echo "<br>".$str;
  
    }
   socket_close($socket); 
   return $str;
}
//------------socket结束-----------------------------------------------------
?>