<?php
//確保在連接客戶端時不會超時
set_time_limit(0);
$ip = '127.0.0.1';
$port = 1935;
/*
 +-------------------------------
 *  @socket通信整個過程
 +-------------------------------
 *  @socket_create
 *  @socket_bind
 *  @socket_listen
 *  @socket_accept
 *  @socket_read
 *  @socket_write
 *  @socket_close
 +--------------------------------
 */
/*----------------  以下操作都是手冊上的  -------------------*/
if(($sock = socket_create(AF_INET,SOCK_STREAM,SOL_TCP)) < 0) {
  echo "socket_create() 失敗的原因是:".socket_strerror($sock)."\n";
}
if(($ret = socket_bind($sock,$ip,$port)) < 0) {
  echo "socket_bind() 失敗的原因是:".socket_strerror($ret)."\n";
}
if(($ret = socket_listen($sock,4)) < 0) {
  echo "socket_listen() 失敗的原因是:".socket_strerror($ret)."\n";
}
$count = 0;
do {
  if (($msgsock = socket_accept($sock)) < 0) {
    echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "\n";
    break;
  } else {
    
    //發到客戶端
    $msg ="測試成功!\n";
    socket_write($msgsock, $msg, strlen($msg));
    
    echo "測試成功了啊\n";
    $buf = socket_read($msgsock,8192);
    
    
    $talkback = "收到的信息:$buf\n";
    echo $talkback;
    
    if(++$count >= 5){
      break;
    };
    
  
  }
  //echo $buf;
  socket_close($msgsock);
} while (true);
socket_close($sock);
?>

<?php
error_reporting(E_ALL);
set_time_limit(0);
echo "<h2>TCP/IP Connection</h2>\n";
$port = 1935;
$ip = "127.0.0.1";
/*
 +-------------------------------
 *  @socket連接整個過程
 +-------------------------------
 *  @socket_create
 *  @socket_connect
 *  @socket_write
 *  @socket_read
 *  @socket_close
 +--------------------------------
 */
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
if ($socket < 0) {
  echo "socket_create() failed: reason: " . socket_strerror($socket) . "\n";
}else {
  echo "OK.\n";
}
echo "試圖連接 '$ip' 端口 '$port'...\n";
$result = socket_connect($socket, $ip, $port);
if ($result < 0) {
  echo "socket_connect() failed.\nReason: ($result) " . socket_strerror($result) . "\n";
}else {
  echo "連接OK\n";
}
$in = "Ho\r\n";
$in .= "first blood\r\n";
$out = '';
if(!socket_write($socket, $in, strlen($in))) {
  echo "socket_write() failed: reason: " . socket_strerror($socket) . "\n";
}else {
  echo "發送到服務器信息成功!\n";
  echo "發送的內容為:<font color='red'>$in</font> <br>";
}
while($out = socket_read($socket, 8192)) {
  echo "接收服務器回傳信息成功!\n";
  echo "接受的內容為:",$out;
}
echo "關閉SOCKET...\n";
socket_close($socket);
echo "關閉OK\n";
?>

// 設置一些基本的變量
$host = "192.168.1.99";
$port = 1234;
// 設置超時時間
set_time_limit(0);
// 創建一個Socket
$socket = socket_create(AF_INET, SOCK_STREAM, 0) or die("Could not createsocket\n");
//綁定Socket到端口
$result = socket_bind($socket, $host, $port) or die("Could not bind tosocket\n");
// 開始監聽鏈接
$result = socket_listen($socket, 3) or die("Could not set up socketlistener\n");
// accept incoming connections
// 另一個Socket來處理通信
$spawn = socket_accept($socket) or die("Could not accept incomingconnection\n");
// 獲得客戶端的輸入
$input = socket_read($spawn, 1024) or die("Could not read input\n");
// 清空輸入字符串
$input = trim($input);
//處理客戶端輸入并返回結果
$output = strrev($input) . "\n";
socket_write($spawn, $output, strlen ($output)) or die("Could not write
output\n");
// 關閉sockets
socket_close($spawn);
socket_close($socket);

// 設置兩個變量
$host = "192.168.1.99";
$port = 1234;

// 超時時間
set_time_limit(0);

// 創建Socket
$socket = socket_create(AF_INET, SOCK_STREAM, 0) or die("Could not create
socket\n");

// 創建 socket
$socket = socket_create(AF_INET, SOCK_DGRAM, 0) or die("Could not create
socket\n");

// 綁定 socket to 指定地址和端口
$result = socket_bind($socket, $host, $port) or die("Could not bind to
socket\n");

// 開始監聽連接
$result = socket_listen($socket, 3) or die("Could not set up socket
listener\n");

//接受請求鏈接
// 調用子socket 處理信息
$spawn = socket_accept($socket) or die("Could not accept incoming
connection\n");

// 讀取客戶端輸入
$input = socket_read($spawn, 1024) or die("Could not read input\n");

// 處理客戶端輸入并返回數據
$output = strrev($input) . "\n";
socket_write($spawn, $output, strlen ($output)) or die("Could not write
output\n");

// 關閉 sockets
socket_close($spawn);
socket_close($socket);