php+webSoket实现聊天室示例代码附源码

最近在公司利用直播间搭建一个图文直播间时正好要用到chatsever，研究了一下html5的websocket 实现了双向通信，根据前人的经验折腾了几天弄了个聊天室，实现了发送图片，发送QQ表情，群聊私聊等功能，特地分享给各位新手参考学习，大牛可以忽略。

前端：client.html

rush:xhtml;"> <Meta charset="utf-8"> <Meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no"/> HTML5 websocket 网页聊天室 javascript <a href="https://www.jb51.cc/tag/PHP/" target="_blank" class="keywords">PHP</a>

后端代码：webserver.PHP

rush:PHP;"> $sk=new Sock('127.0.0.1',8000);
$sk->run();
class Sock{
public $sockets;
public $users;
public $master;

private $sda=array();//已接收的数据
private $slen=array();//数据总长度
private $sjen=array();//接收数据的长度
private $ar=array();//加密key
private $n=array();

public function __construct($address,$port){
$this->master=$this->WebSocket($address,$port);
$this->sockets=array($this->master);
}

}

function close($k){
socket_close($this->users[$k]['socket']);
unset($this->users[$k]);
$this->sockets=array($this->master);
foreach($this->users as $v){
$this->sockets[]=$v['socket'];
}
$this->e("key:$k close");
}

function search($sock){
foreach ($this->users as $k=>$v){
if($sock==$v['socket'])
return $k;
}
return false;
}

function WebSocket($address,$port){
$server = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
socket_set_option($server,SOL_SOCKET,SO_REUSEADDR,1);
socket_bind($server,$address,$port);
socket_listen($server);
$this->e('Server Started : '.date('Y-m-d H:i:s'));
$this->e('Listening on : '.$address.' port '.$port);
return $server;
}

function woshou($k,$buffer){
$buf = substr($buffer,strpos($buffer,'Sec-WebSocket-Key:')+18);
$key = trim(substr($buf,strpos($buf,"\r\n")));

$new_key = base64_encode(sha1($key."258EAFA5-E914-47DA-95CA-C5AB0DC85B11",true));

$new_message = "HTTP/1.1 101 Switching Protocols\r\n";
$new_message .= "Upgrade: websocket\r\n";
$new_message .= "Sec-WebSocket-Version: 13\r\n";
$new_message .= "Connection: Upgrade\r\n";
$new_message .= "Sec-WebSocket-Accept: " . $new_key . "\r\n\r\n";

socket_write($this->users[$k]['socket'],$new_message,strlen($new_message));
$this->users[$k]['shou']=true;
return true;

}

$e = strlen($msg[1])-2;
for ($i=$s; $i<= $e; $i+= 2) {
$data .= chr($mask[$n%4]^hexdec(substr($msg[1],$i,2)));
$n++;
}
$dlen=strlen($data);

if($len > 255 && $len > $dlen+intval($this->sjen[$key])){
$this->ar[$key]=$mask;
$this->slen[$key]=$len;
$this->sjen[$key]=$dlen+intval($this->sjen[$key]);
$this->sda[$key]=$this->sda[$key].$data;
$this->n[$key]=$n;
return false;
}else{
unset($this->ar[$key],$this->slen[$key],$this->sjen[$key],$this->n[$key]);
$data=$this->sda[$key].$data;
unset($this->sda[$key]);
return $data;
}

}

function ord_hex($data) {
$msg = '';
$l = strlen($data);
for ($i= 0; $i<$l; $i++) {
$msg .= dechex(ord($data{$i}));
}
return $msg;
}

//用户加入
function send($k,$msg){
parse_str($msg,$g);
$ar=array();
if($g['type']=='add'){
$this->users[$k]['name']=$g['ming'];
$ar['type']='add';
$ar['name']=$g['ming'];
$key='all';
}else{
$ar['nrong']=$g['nr'];
$key=$g['key'];
}
$this->send1($k,$ar,$key);
}

function getusers(){
$ar=array();
foreach($this->users as $k=>$v){
$ar[]=array('code'=>$k,'name'=>$v['name']);
}
return $ar;
}

//$k 发信息人的code $key接受人的 code
function send1($k,$key='all'){
$ar['code1']=$key;
$ar['code']=$k;
$ar['time']=date('m-d H:i:s');
$str = $this->code(json_encode($ar));
if($key=='all'){
$users=$this->users;
if($ar['type']=='add'){
$ar['type']='madd';
$ar['users']=$this->getusers();
$str1 = $this->code(json_encode($ar));
socket_write($users[$k]['socket'],$str1,strlen($str1));
unset($users[$k]);
}
foreach($users as $v){
socket_write($v['socket'],$str,strlen($str));
}
}else{
socket_write($this->users[$k]['socket'],strlen($str));
socket_write($this->users[$key]['socket'],strlen($str));
}
}