<?php
/* 設置不顯示任何錯誤 */
error_reporting(0);
/* 腳本超時為無限 */
set_time_limit(0);
/* 開始固定清除 */
ob_implicit_flush();
/* 服務器端的IP和需要開放的端口 */
$address = '192.168.1.2';
$port = 10000;
/* 產生一個Socket */
if (($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) < 0) {
echo "socket_create() failed: reason: " . socket_strerror($sock) . "\n";
}
/* 把IP地址端口進行綁定 */
if (($ret = socket_bind($sock, $address, $port)) < 0) {
echo "socket_bind() failed: reason: " . socket_strerror($ret) . "\n";
}
/* 監聽Socket連接 */
if (($ret = socket_listen($sock, 5)) < 0) {
echo "socket_listen() failed: reason: " . socket_strerror($ret) . "\n";
}
/* 永遠循環監接受用戶連接 */
do {
if (($msgsock = socket_accept($sock)) < 0) {
echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "\n";
break;
}
/* 發送提示信息給連接上來的用戶 */
$msg = "==========================================\r\n" .
" Welcome to the PHP Test Server. \r\n\r\n".
" To quit, type 'quit'. \r\n" .
" To shut down the server type 'shutdown'.\r\n" .
" To get help message type 'help'.\r\n" .
"==========================================\r\n" .
"php> ";
socket_write($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($buf)) {
continue;
}
/* 客戶端輸入quit命令時候關閉客戶端連接 */
if ($buf == 'quit') {
break;
}
/* 客戶端輸入shutdown命令時候服務端和客戶端都關閉 */
if ($buf == 'shutdown') {
socket_close($msgsock);
break 2;
}
/* 客戶端輸入help命令時候輸出幫助信息 */
if ($buf == 'help') {
$msg = " PHP Server Help Message \r\n\r\n".
" To quit, type 'quit'. \r\n" .
" To shut down the server type 'shutdown'.\r\n" .
" To get help message type 'help'.\r\n" .
"php> ";
socket_write($msgsock, $msg, strlen($msg));
continue;
}
/* 客戶端輸入命令不存在時提示信息 */
$talkback = "PHP: unknow command '$buf'.\r\nphp> ";
socket_write($msgsock, $talkback, strlen($talkback));
echo "$buf\n";
} while (true);
socket_close($msgsock);
} while (true);
/* 關閉Socket連接 */
socket_close($sock);
?>
運行方式：在客戶端控制台連接 telnet 192.168.1.2 10000
