服務器
<?php
// Server
// 設置錯誤處理
error_reporting (E_ALL);
// 設置運行時間
set_time_limit (0);
// 起用緩沖
ob_implicit_flush ();
$ip = "127.0.0.1"; // IP地址
$port = 1000; // 端口號
$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 創建一個 SOCKET
if ($socket)
echo "socket_create() successed!\n";
else
echo "socket_create() failed:".socket_strerror ($socket)."\n";
$bind = socket_bind ($socket, $ip, $port); // 綁定一個SOCKET
if ($bind)
echo "socket_bind() successed!\n";
else
echo "socket_bind() failed:".socket_strerror ($bind)."\n";
$listen = socket_listen ($socket); // 間聽SOCKET
if ($listen)
echo "socket_listen() successed!\n";
else
echo "socket_listen() failed:".socket_strerror ($listen)."\n";
while (true)
{
$msg = socket_accept ($socket); // 接受一個SOCKET
if (!$msg)
{
echo "socket_accept() failed:".socket_strerror ($msg)."\n";
break;
}
$welcome = "Welcome to PHP Server!\n";
socket_write ($msg, $welcome, strlen ($welcome));
while (true)
{
$command = strtoupper (trim (socket_read ($msg, 1024)));
if (!$command)
break;
switch ($command)
{
case "HELLO":
$writer = "Hello Everybody!";
break;
case "QUIT":
$writer = "Bye-Bye";
break;
case "HELP":
$writer = "HELLO\tQUIT\tHELP";
break;
default:
$writer = "Error Command!";
}
socket_write ($msg, $writer, strlen ($writer));
if ($command == "QUIT")
break;
}
socket_close ($msg);
}
socket_close ($socket); // 關閉SOCKET
?>
