<?php

/**

 * File name server.php

 * 服务器端代码

 *

 * @author guisu.huang

 * @since 2012-04-11

 *

 */

//确保在连接客户端时不会超时

set_time_limit(0);

//设置IP和端口号

$address = "127.0.0.1";

$port = 2046; //调试的时候，可以多换端口来测试程序！

/**

 * 创建一个SOCKET

 * AF_INET=是ipv4 如果用ipv6，则参数为 AF_INET6

 * SOCK_STREAM为socket的tcp类型，如果是UDP则使用SOCK_DGRAM

*/

$sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) or die("socket_create() 失败的原因是:" . socket_strerror(socket_last_error()) . "/n");

//阻塞模式

socket_set_block($sock) or die("socket_set_block() 失败的原因是:" . socket_strerror(socket_last_error()) . "/n");

//绑定到socket端口

$result = socket_bind($sock, $address, $port) or die("socket_bind() 失败的原因是:" . socket_strerror(socket_last_error()) . "/n");

//开始监听

$result = socket_listen($sock, 4) or die("socket_listen() 失败的原因是:" . socket_strerror(socket_last_error()) . "/n");

echo "OK\nBinding the socket on $address:$port ... ";

echo "OK\nNow ready to accept connections.\nListening on the socket ... \n";

do { // never stop the daemon

 //它接收连接请求并调用一个子连接Socket来处理客户端和服务器间的信息

 $msgsock = socket_accept($sock) or die("socket_accept() failed: reason: " . socket_strerror(socket_last_error()) . "/n");

 //读取客户端数据

 echo "Read client data \n";

 //socket_read函数会一直读取客户端数据,直到遇见\n,\t或者字符.PHP脚本把这写字符看做是输入的结束符.

 $buf = socket_read($msgsock, 8192);

 echo "Received msg: $buf \n";

 //数据传送 向客户端写入返回结果

 $msg = "welcome \n";

 socket_write($msgsock, $msg, strlen($msg)) or die("socket_write() failed: reason: " . socket_strerror(socket_last_error()) ."/n");

 //一旦输出被返回到客户端,父/子socket都应通过socket_close($msgsock)函数来终止

 socket_close($msgsock);

} while (true);

socket_close($sock);

<?php

/**

 * File name:client.php

 * 客户端代码

 *

 * @author guisu.huang

 * @since 2012-04-11

 */

set_time_limit(0);

$host = "127.0.0.1";

$port = 2046;

$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)or die("Could not create socket\n"); // 创建一个Socket

$connection = socket_connect($socket, $host, $port) or die("Could not connet server\n"); // 连接

socket_write($socket, "hello socket") or die("Write failed\n"); // 数据传送 向服务器发送消息

while ($buff = socket_read($socket, 1024, PHP_NORMAL_READ)) {

 echo("Response was:" . $buff . "\n");

}

socket_close($socket);

/**

 *

 * @param $data= array=array('key'=>value)

 */

function post_contents($data = array()) {

 $post = $data ? http_build_query($data) : '';

 $header = "POST /test/ HTTP/1.1" . "\n";

 $header .= "User-Agent: Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.1;+SV1)" . "\n";

 $header .= "Host: localhost" . "\n";

 $header .= "Accept: */*" . "\n";

 $header .= "Referer: http://localhost/test/" . "\n";

 $header .= "Content-Length: ". strlen($post) . "\n";

 $header .= "Content-Type: application/x-www-form-urlencoded" . "\n";

 $header .= "\r\n";

 $ddd = $header . $post;

 $fp = stream_socket_client("tcp://localhost:80", $errno, $errstr, 30);

 $response = '';

 if (!$fp) {

  echo "$errstr ($errno)<br>\n";

 } else {

  fwrite($fp, $ddd);

  $i = 1;

  while ( !feof($fp) ) {

   $r = fgets($fp, 1024);

   $response .= $r;

   //处理这一行

  }

 }

 fclose($fp);

 return $response;

}

while ( !feof($fp) ) {

 $r = fgets($fp, 1024);

 $response .= $r;

}

$fp = fopen("myfile.txt", "r");

while (!feof($fp)) {

 $current_line = fgets($fp);

 //对结果做进一步处理,防止进入死循环

}