发送socket协议函数，取得返回值

时间：2010-04-02 来源：xhq6632

<?php
/*
* Author:xhq
* Email:[email protected]
* Oicq:119948717
*/ /*
*发送socket协议函数，取得返回值
*参数：发送的字符串，发送主机，发送端口
*返回值：取得返回字符串
*/
function sendto($msg,$host,$port,$debug=false){
  $msg=trim($msg);
  $host=trim($host);
  $port=trim($port);
  if(empty($host) || empty($port)){
   if($debug){
    die("<br>\nhost or port is empty!<br>\nhost={$host} port={$port}");
   }else{
    die(0);
   }
  }
  $str="";
  $msg.="\n";
  $socket = socket_create(AF_INET,SOCK_STREAM, SOL_TCP);
  $connection = socket_connect($socket,$host,$port);
  if(!socket_write($socket,$msg)){
   $str=-1;
   if($debug){
    echo "<br>\nsocket fail!";
   }
  }else{//操作成功
   while($buffer = socket_read($socket, 1024, PHP_NORMAL_READ)){
    if($debug){
     echo("<br>\ncontent=>".$buffer);
    }
   }
   $str=1;
  }
  return $str;
} ?>

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