php聊天功能 php怎麼實現聊天功能

2021-10-22 22:52:38 字數 3207 閱讀 1693

php怎麼實現聊天功能

1、在前端使用ajax定時輪詢訪問php指令碼,php再進行查詢聊天資料進行返回給前端,最後前端將其進行渲染;

**示例:

聊天室 $(function());});

function getdata(msg),function(data),function(data));

// //alert(event.clientx+document.body.clientwidth);

/*window.οnbefοreunlοad=function ()else

#chatshow

#userlist

#userlist p

.clearboth

.username

// $dsn = "mysql:host=localhost;dbname=test;charset=utf8'";

// $db = new pdo($dsn, 'root', 'root');

$db = new pdo('mysql:dbname=test;host=127.0.0.1;charset=utf8', 'root', 'adminroot');

$rs = $db->prepare("select * from chat where is_login = '1'");

$rs->execute();

while($row = $rs->fetch())elseelseelse else ;

sendmsg(user_info);

break;

case 'login':

userlist(data.user_list);

systemmessage('系統訊息: ' + data.msg + ' 已上線');

break;

case 'logout':

userlist(data.user_list);

if (data.msg.length > 0) else );

document.queryselector("input#input-value").value = "";

function sendmsg(msg) else

function uuid(len, radix) else catch (exception $e) started,pid: "));

while (true) catch (exception $e) else else else else if ($len < 65025) else ));

$frame[2] = $data;

$data = implode('', $frame);

return pack("h*", $data);

* 接受資料解析

* @param $buffer

* @return mixed

private function parse($buffer)

$decoded = '';

$len = ord($buffer[1]) & 127;

if ($len === 126) else if ($len === 127) else {

$masks = substr($buffer, 2, 4);

$data = substr($buffer, 6);

for ($index = 0; $index < strlen($data); $index++) {

$decoded .= $data[$index] ^ $masks[$index % 4];

return json_decode($decoded, true);

// 提取 sec-websocket-key 資訊

private function getkey($req)

$key = null;

if (preg_match("/sec-websocket-key: (.*)\r\n/", $req, $match)) {

$key = $match[1];

return $key;

//加密 sec-websocket-key

private function encry($req)

$key = $this->getkey($req);

return base64_encode(sha1($key . '258eafa5-e914-47da-95ca-c5ab0dc85b11', true));

* 連線socket

* @param $client

public function connection($client)

socket_getpeername ( $client , $address ,$port );

$info = array(

'resource' => $client,

'userinfo' => '',

'handshake' => false,

'ip' => $address,

'port' => $port,

$this->_socketpool[(int)$client] = $info;

$this->debug(array_merge(['socket_connect'], $info));

* 斷開連線

* @param $socket

* @return array

public function disconnection($socket)

$recv_msg = array(

'type' => 'logout',

'msg' => @$this->_socketpool[(int)$socket]['username'],

unset($this->_socketpool[(int)$socket]);

return $recv_msg;

* 日誌

* @param array $info

private function debug(array $info)

$time = date('y-m-d h:i:s');

array_unshift($info, $time);

$info = array_map('json_encode', $info);

new socketserver();

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