服务端(server.php)
// set some variables $host = "127.0.0.1"; $port = 25003; // don't timeout! set_time_limit(0); // create socket $socket = socket_create(AF_INET, SOCK_STREAM, 0) or die("Could not create socket "); // bind socket to port $result = socket_bind($socket, $host, $port) or die("Could not bind to socket "); // start listening for connections $result = socket_listen($socket, 3) or die("Could not set up socket listener "); // accept incoming connections // spawn another socket to handle communication $spawn = socket_accept($socket) or die("Could not accept incoming connection "); // read client input $input = socket_read($spawn, 1024) or die("Could not read input "); // clean up input string $input = trim($input); echo "Client Message : ".$input; // reverse client input and send back $output = strrev($input) . " "; socket_write($spawn, $output, strlen ($output)) or die("Could not write output "); // close sockets socket_close($spawn); socket_close($socket);
客户端(client.php)
$host = "127.0.0.1"; $port = 25003; $message = "Hello Server"; echo "Message To server :".$message; // create socket $socket = socket_create(AF_INET, SOCK_STREAM, 0) or die("Could not create socket "); // connect to server $result = socket_connect($socket, $host, $port) or die("Could not connect to server "); // send string to server socket_write($socket, $message, strlen($message)) or die("Could not send data to server "); // get server response $result = socket_read ($socket, 1024) or die("Could not read server response "); echo "Reply From Server :".$result; // close socket socket_close($socket);
建立上述文件(server.php和client.php)后,执行如下操作:
- 复制www目录中的这些文件(假设WAMP),安置于C:wamp。
- 打开Web浏览器,在地址栏中键入localhost 。
- 先浏览server.php然后client.php。