客户端代码：
1 <?php
2 error_reporting(E_ALL);
3 set_time_limit(0);
4 echo "<h2>TCP/IP Connection</h2>\n";
5
6 $port = 1935;
7 $ip = "127.0.0.1";
8
9 /*
10 +-------------------------------
11 * @socket连接整个过程
12 +-------------------------------
13 * @socket_create
14 * @socket_connect
15 * @socket_write
16 * @socket_read
17 * @socket_close
18 +--------------------------------
19 */
20
21 $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
22 if ($socket < 0) {
23 echo "socket_create() failed: reason: " . socket_strerror($socket) . "\n";
24 }else {
25 echo "OK.\n";
26 }
27
28 echo "试图连接 '$ip' 端口 '$port'...\n";
29 $result = socket_connect($socket, $ip, $port);
30 if ($result < 0) {
31 echo "socket_connect() failed.\nReason: ($result) " . socket_strerror($result) . "\n";
32 }else {
33 echo "连接OK\n";
34 }
35
36 $in = "Ho\r\n";
37 $in .= "first blood\r\n";
38 $out = '';
39
40 if(!socket_write($socket, $in, strlen($in))) {
41 echo "socket_write() failed: reason: " . socket_strerror($socket) . "\n";
42 }else {
43 echo "发送到服务器信息成功！\n";
44 echo "发送的内容为:<font color='red'>$in</font> <br>";
45 }
46
47 while($out = socket_read($socket, 8192)) {
48 echo "接收服务器回传信息成功！\n";
49 echo "接受的内容为:",$out;
50 }
51
52
53 echo "关闭SOCKET...\n";
54 socket_close($socket);
55 echo "关闭OK\n";
56 ?>
服务器端代码
1 <?php 2 //确保在连接客户端时不会超时 3 set_time_limit(0); 4 5 $ip = '127.0.0.1'; 6 $port = 1935; 7 8 /* 9 +------------------------------- 10 * @socket通信整个过程 11 +------------------------------- 12 * @socket_create 13 * @socket_bind 14 * @socket_listen 15 * @socket_accept 16 * @socket_read 17 * @socket_write 18 * @socket_close 19 +-------------------------------- 20 */ 21 22 /*---------------- 以下操作都是手册上的 -------------------*/ 23 if(($sock = socket_create(AF_INET,SOCK_STREAM,SOL_TCP)) < 0) { 24 echo "socket_create() 失败的原因是:".socket_strerror($sock)."\n"; 25 } 26 27 if(($ret = socket_bind($sock,$ip,$port)) < 0) { 28 echo "socket_bind() 失败的原因是:".socket_strerror($ret)."\n"; 29 } 30 31 if(($ret = socket_listen($sock,4)) < 0) { 32 echo "socket_listen() 失败的原因是:".socket_strerror($ret)."\n"; 33 } 34 35 $count = 0; 36 37 do { 38 if (($msgsock = socket_accept($sock)) < 0) { 39 echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "\n"; 40 echo "等待连接。。。。"; 41 break; 42 } else { 43 44 //发到客户端 45 $msg ="测试成功！\n"; 46 socket_write($msgsock, $msg, strlen($msg)); 47 48 echo "测试成功了啊\n"; 49 $buf = socket_read($msgsock,8192); 50 51 52 $talkback = "收到的信息:$buf\n"; 53 echo $talkback; 54 55 if(++$count >= 5){ 56 break; 57 }; 58 59 60 } 61 //echo $buf; 62 socket_close($msgsock); 63 64 } while (true); 65 66 socket_close($sock); 67 ?>