php使用socket

<?php set_time_limit(0);// 设置主机和端口$host = "127.0.0.1";$port = 12387;// 创建一个tcp流$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) or die("socket_create() failed:" . socket_strerror(socket_last_error()));// 设置阻塞模式socket_set_block($socket) or die("socket_set_block() failed:" . socket_strerror(socket_last_error())); ?// 绑定到端口socket_bind($socket, $host, $port) or die("socket_bind() failed:" . socket_strerror(socket_last_error()));// 开始监听socket_listen($socket, 4) or die("socket_listen() failed:" . socket_strerror(socket_last_error()));echo "Binding the socket on $host:$port ... \n";while (true) {// 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if (($msgsock = socket_accept($socket)) < 0) { ???echo "socket_accept() failed:" . socket_strerror(socket_last_error());}else{ ???// 读数据 ???$out = ‘‘; ???while($buf = socket_read($msgsock,8192)){ ???????$out .= $buf; ???} ???// 写数据 ???$in = "数据是 $out"; ???socket_write($msgsock, $in, strlen($in));}// 结束通信socket_close($msgsock);}socket_close($socket);

<?php set_time_limit(0);$host = "127.0.0.1"; ?$port = 12387;// 创建一个tcp流$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) or die("socket_create() failed:" . socket_strerror(socket_last_error()));echo "try to connect to $host:$port...\n";$result = socket_connect($socket, $host, $port)or die("socket_connect() failed:" . socket_strerror(socket_last_error()));$in = "hello \n";if(!socket_write($socket, $in, strlen($in))) {echo "socket_write() failed:" . socket_strerror($socket);}else {echo "发送成功！\n";}$out = ‘‘;while($buf = socket_read($socket, 8192)) {$out .= $buf;}echo "接受内容为：$out \n";socket_close($socket);