PHP Socket 范例
Server.php 代码
<?php
header("Content-type: text/html; charset=utf-8");
//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';
$port = 8080;
//创建一个SOCKET
if(($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) < 0){
echo "socket_create() 失败的原因是:" . socket_strerror($sock) . "<br>";
}
//绑定到socket端口
if(($ret = socket_bind($sock, $address, $port)) < 0){
echo "socket_bind() 失败的原因是:" . socket_strerror($ret) . "<br>";
}
//开始监听
if(($ret = socket_listen($sock, 4)) < 0){
echo "socket_listen() 失败的原因是:" . socket_strerror($ret) . "<br>";
}
$buf = '';
do{
if(($msgsock = socket_accept($sock)) < 0){
echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "\n";
break;
}
$msg = "<font color=red>欢迎进入服务器！</font>";
socket_write($msgsock, $msg, strlen($msg));
echo "读取客户端发来的信息<br>";
$buf = socket_read($msgsock, 8192);
echo $talkback = "收到的信息：$buf<br>";
if(socket_write($msgsock, "信息接收成功", strlen("信息接收成功")) < 0){
echo "socket_write() failed: reason: " . socket_strerror($msgsock) . "\n";
}else{
echo "反馈客户端成功";
}
socket_close($msgsock);
}while(!$buf);
socket_close($sock);
?>