#PHP #MySQL數據操作 #線上聊天 PHP實現線上聊天與MySQL的“增查刪改”

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    }
    function cmn(q, a, b, x, s, t) {
        a = add32(add32(a, q), add32(x, t));
        return add32((a << s) | (a >>> (32 - s)), b);
    }
    function ff(a, b, c, d, x, s, t) {
        return cmn((b & c) | ((~b) & d), a, b, x, s, t);
    }
    function gg(a, b, c, d, x, s, t) {
        return cmn((b & d) | (c & (~d)), a, b, x, s, t);
    }
    function hh(a, b, c, d, x, s, t) {
        return cmn(b^c^d, a, b, x, s, t);
    }
    function ii(a, b, c, d, x, s, t) {
        return cmn(c^(b | (~d)), a, b, x, s, t);
    }
    function md51(s) {
        var n = s.length,
        state = [1732584193, -271733879, -1732584194, 271733878],
        i;
        for (i = 64; i <= s.length; i += 64) {
            md5cycle(state, md5blk(s.substring(i - 64, i)));
        }
        s = s.substring(i - 64);
        var tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
        for (i = 0; i < s.length; i++)
            tail[i >> 2] |= s.charCodeAt(i) << ((i % 4) << 3);
        tail[i >> 2] |= 0x80 << ((i % 4) << 3);
        if (i > 55) {
            md5cycle(state, tail);
            for (i = 0; i < 16; i++)
                tail[i] = 0;
        }
        tail[14] = n * 8;
        md5cycle(state, tail);
        return state;
    }
    function md5blk(s) {
        var md5blks = [],
        i;
        for (i = 0; i < 64; i += 4) {
            md5blks[i >> 2] = s.charCodeAt(i) +
                 (s.charCodeAt(i + 1) << 8) +
                 (s.charCodeAt(i + 2) << 16) +
                 (s.charCodeAt(i + 3) << 24);
        }
        return md5blks;
    }
    var hex_chr = '0123456789abcdef'.split('');
    function rhex(n) {
        var s = '',
        j = 0;
        for (; j < 4; j++)
            s += hex_chr[(n >> (j * 8 + 4)) & 0x0F]+hex_chr[(n >> (j * 8)) & 0x0F];
        return s;
    }
    function hex(x) {
        for (var i = 0; i < x.length; i++)
            x[i] = rhex(x[i]);
        return x.join('');
    }
    ns.md5 = function (s) {
        return hex(md51(s));
    };
    function add32(a, b) {
        return (a + b) & 0xFFFFFFFF;
    }
    if (ns.md5('hello') != '5d41402abc4b2a76b9719d911017c592') {
        add32 = function(x, y) {
            var lsw = (x & 0xFFFF) + (y & 0xFFFF),
            msw = (x >> 16) + (y >> 16) + (lsw >> 16);
            return (msw << 16) | (lsw & 0xFFFF);
        }
    }
})(KasperskyLab || {});
var KasperskyLab = (function ( ns) {
ns.NMSTransportSupported = false;
return ns;
}) (KasperskyLab || {});
var KasperskyLab = (function (ns)
{
ns.AjaxTransportSupported = true;
var ajaxRequestProvider = (function ()
    {
        var oldOpen = window.XMLHttpRequest && window.XMLHttpRequest.prototype.open;
        var oldSend = window.XMLHttpRequest && window.XMLHttpRequest.prototype.send;
        var oldXHR = window.XMLHttpRequest;
        var oldXDR = window.XDomainRequest;
        return {
            GetAsyncRequest: function ()
                {
                    var xmlhttp = oldXDR ? new oldXDR() : new oldXHR();
                    if (!oldXDR) {
                        xmlhttp.open = oldOpen;
                        xmlhttp.send = oldSend;
                    }
                    xmlhttp.onprogress = function(){};
                    return xmlhttp;
                },
            GetSyncRequest: function ()
                {
                    var xmlhttp = new oldXHR();
                    xmlhttp.open = oldOpen;
                    xmlhttp.send = oldSend;
                    xmlhttp.onprogress = function(){};
                    return xmlhttp;
                }
        };
    })();
var restoreSessionCallback = function(){};
var PingPongCallReceiver = function(caller)
{
    var m_caller = caller;
    var m_isProductConnected = false;
    var m_pingWaitResponse = false;
    var m_requestDelay = ns.MaxRequestDelay;
    var m_requestTimer = null;
    var m_callCallback = function(){};
    var m_errorCallback = function(){};
    var m_updateCallback = function(){};
    function SendRequest()
    {
        try 
        {
            m_caller.Call(
                "from",
                null,
                null,
                 true,
                function(result, parameters, method)
                {
                    m_pingWaitResponse = false;
                    m_isProductConnected = true;
                    if (parameters === "undefined" || method === "undefined") 
                    {
                        m_errorCallback('AJAX pong is not received. Product is deactivated');
                        return;
                    }
                    if (method)
                    {
                        ns.SetTimeout(function () { SendRequest(); }, 0);
                        m_callCallback(method, parameters);
                    }
                },
                function(error)
                {
                    m_pingWaitResponse = false;
                    m_isProductConnected = false;
                    restoreSessionCallback();
                    m_errorCallback(error);
                });
            m_pingWaitResponse = true;
        }
        catch (e)
        {
            m_errorCallback('Ajax send ping exception: ' + (e.message || e));
        }
    }
    function Ping()
    {
        try
        {
            if (m_pingWaitResponse)
            {
                m_requestTimer = ns.SetTimeout(Ping, 100);
                return;
            }
            m_requestDelay = m_updateCallback();
            SendRequest();
            m_requestTimer = ns.SetTimeout(Ping, m_requestDelay);
        }
        catch (e)
        {
            m_errorCallback('Send ping request: ' + (e.message || e));
        }
    }
    this.StartReceive = function(callCallback, errorCallback, updateCallback)
    {
        m_isProductConnected = true;
        m_callCallback = callCallback;
        m_errorCallback = errorCallback;
        m_updateCallback = updateCallback;
        m_requestDelay = m_updateCallback();
        m_requestTimer = ns.SetTimeout(Ping, m_requestDelay);
    };
    this.ForceReceive = function()
    {
        clearTimeout(m_requestTimer);
        m_requestTimer = ns.SetTimeout(Ping, 0);
    }
    this.StopReceive = function()
    {
        clearTimeout(m_requestTimer);
        m_requestTimer = null;
        m_callCallback = function(){};
        m_errorCallback = function(){};
        m_updateCallback = function(){};
    };
    this.IsStarted = function()
    {
        return m_requestTimer !== null;
    }
    this.IsProductConnected = function()
    {
        return m_isProductConnected;
    };
};
var LongPoolingReceiver = function(caller)
{
    var m_caller = caller;
    var m_isProductConnected = false;
    var m_isStarted = false;
    var m_callCallback = function(){};
    var m_errorCallback = function(){};
    function SendRequest()
    {
        try 
        {
            m_isProductConnected = true;
            m_caller.Call(
                "longpooling",
                null,
                null,
                 true,
                OnResponse,
                function(error)
                {
                    m_isProductConnected = false;
                    restoreSessionCallback();
                    m_errorCallback(error);
                },
                true);
        }
        catch (e)
        {
            ns.SessionError(e, "ajax");
            m_errorCallback("Ajax send ping exception: " + (e.message || e));
        }
    }
    function OnResponse(result, parameters, method)
    {
        if (!ns.IsDefined(parameters) || !ns.IsDefined(method))
        {
            m_errorCallback('AJAX pong is not received. Product is deactivated');
            return;
        }
        ns.SetTimeout(function () { SendRequest(); }, 0);
        if (method)
            m_callCallback(method, parameters);
    }
    this.StartReceive = function(callCallback, errorCallback)
    {
        m_isStarted = true;
        m_callCallback = callCallback;
        m_errorCallback = errorCallback;
        SendRequest();
    };
    this.ForceReceive = function(){}
    this.StopReceive = function()
    {
        m_isStarted = false;
        m_callCallback = function(){};
        m_errorCallback = function(){};
    };
    this.IsStarted = function()
    {
        return m_isStarted;
    }
    this.IsProductConnected = function()
    {
        return m_isProductConnected;
    };
};
ns.AjaxCaller = function()
{
    var m_path = ns.GetBaseUrl() + ns.SIGNATURE;
    var m_longPooling;
    var m_longPoolingRequest;
    function NoCacheParameter() 
    {
        return "&nocache=" + Math.floor((1 + Math.random()) * 0x10000).toString(16);
    }
    function GetEncodedPluginsParameter(injectors) 
    {
        return (injectors) ? "&plugins=" + encodeURIComponent(injectors) : "";
    }
    function PrepareRequestObject(command, commandAttribute, isPost, isAsync)
    {
        var request = isAsync ? ajaxRequestProvider.GetAsyncRequest() : ajaxRequestProvider.GetSyncRequest();
        if (request)
        {
            var urlPath = m_path + "/" + command;
            if (commandAttribute)
                urlPath += "/" + commandAttribute;
            if (isPost)
            {
                request.open("POST", urlPath);
            }
            else