用PHP的socket实现客户端到服务端的通信实例详解

一、server.php服务端：

<?php error_reporting(E_ALL); set_time_limit(0); ob_implicit_flush(); //本地IP $address = 'localhost'; //设置用111端口进行通信 $port = 111; //创建SOCKET if (($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) < 0) {     echo "socket创建失败原因 " . socket_strerror($sock) . "/n"; }  if (($ret = socket_bind($sock, $address, $port)) < 0) {     echo "创建套接字失败原因 " . socket_strerror($ret) . "/n"; } //监听 if (($ret = socket_listen($sock, 5)) < 0) {     echo "监听失败原因 " . socket_strerror($ret) . "/n"; } do {   //接收命令    if (($msgsock = @socket_accept($sock)) < 0) {     echo "命令接收失败原因: " . socket_strerror($msgsock) . "/n";     break;   }   $msg = "/nPHP Test Server. /n" ."用quit,shutdown,sun...等命令测试./n";    @socket_write($msgsock, $msg, strlen($msg));    do {     if (false === ($buf = @socket_read($msgsock, 2048, PHP_NORMAL_READ))) {         echo "socket_read() failed: reason: " . socket_strerror($ret) . "/n";         break 2;     }     if (!$buf = trim($buf)) {         continue;     }     if ($buf == 'quit') {         break;     }     if ($buf == 'shutdown') {         socket_close($msgsock);         break 2;     }     if ($buf == 'sun') {         echo'what are you doing?';     }     $talkback = "Backinformation : '$buf'./n";     socket_write($msgsock, $talkback, strlen($talkback));     echo "$buf/n";   } while (true);    socket_close($msgsock);  } while (true);  socket_close($sock); ?> 

二、client.php客户端:

<?php error_reporting(E_ALL); //端口111 $service_port = 111; //本地 $address = 'localhost'; //创建 TCP/IP socket $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); if ($socket < 0) {     echo "socket创建失败原因: " . socket_strerror($socket) . "/n"; } else {     echo "OK，HE HE./n"; } $result = socket_connect($socket, $address, $service_port); if ($result < 0) {     echo "SOCKET连接失败原因: ($result) " . socket_strerror($result) . "/n"; } else {     echo "OK./n"; } //发送命令 $in = "HEAD / HTTP/1.1/r/n"; $in .= "Connection: Close/r/n/r/n"; $out = ''; echo "Send Command.........."; $in = "sun/n"; socket_write($socket, $in, strlen($in)); echo "OK./n"; echo "Reading Backinformatin:/n/n"; while ($out = socket_read($socket, 2048)) {     echo $out; } echo "Close socket........"; socket_close($socket); echo "OK,He He./n/n"; ?> 

这两段代码是简单介绍用PHP实现客户端和服务端的通信

具体操作,在DOS下用PHP命令打开SERVER,处于监听状态..

再打开一个DOS窗口,用PHP命令打开CLIENT,会得到服务端的回应....

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持错新站长站。