// source --> https://matemnews.com/wp-content/plugins/wp-embed-facebook/inc/js/fb.min.js?ver=3.0.7 
window.fbAsyncInit=function(){FB.init({appId:WEF.fb_id,version:WEF.version,xfbml:!0}),void 0!==WEF.ajaxurl&&(FB.Event.subscribe("comment.create",wef_comment_callback),FB.Event.subscribe("comment.remove",wef_comment_callback))},function(e,n,t){var o,a=e.getElementsByTagName(n)[0];e.getElementById(t)||((o=e.createElement(n)).id=t,o.src="//connect.facebook.net/"+WEF.local+"/sdk.js",a.parentNode.insertBefore(o,a))}(document,"script","facebook-jssdk");var wef_serialize=function(e,n){var t,o=[];for(t in e)if(e.hasOwnProperty(t)){var a=n?n+"["+t+"]":t,c=e[t];o.push(null!==c&&"object"==typeof c?wef_serialize(c,a):encodeURIComponent(a)+"="+encodeURIComponent(c))}return o.join("&")},wef_comment_callback=function(e){var n=new XMLHttpRequest,t=wef_serialize({action:"wpemfb_comments",response:e});n.open("POST",WEF.ajaxurl,!0),n.setRequestHeader("Content-type","application/x-www-form-urlencoded"),n.send(t)};WEF.hasOwnProperty("adaptive")&&function(e){e(".wef-measure").each(function(){e(this).next().attr("data-width",e(this).outerWidth()+"px")})}(jQuery);
// source --> https://matemnews.com/wp-content/plugins/wp-social-feed/includes/../bower_components/codebird-js/codebird.js?ver=5.3.2 
/**
 * A Twitter library in JavaScript
 *
 * @package   codebird
 * @version   2.5.0
 * @author    Jublo Solutions <support@jublo.net>
 * @copyright 2010-2014 Jublo Solutions <support@jublo.net>
 * @license   http://opensource.org/licenses/GPL-3.0 GNU Public License 3.0
 * @link      https://github.com/jublonet/codebird-php
 */

/* jshint curly: true,
          eqeqeq: true,
          latedef: true,
          quotmark: double,
          undef: true,
          unused: true,
          trailing: true,
          laxbreak: true */
/* global window,
          document,
          navigator,
          console,
          Ti,
          ActiveXObject,
          module,
          define,
          require */
(function (undefined) {
"use strict";

/**
 * Array.indexOf polyfill
 */
if (! Array.prototype.indexOf) {
    Array.prototype.indexOf = function (obj, start) {
        for (var i = (start || 0); i < this.length; i++) {
            if (this[i] === obj) {
                return i;
            }
        }
        return -1;
    };
}

/**
 * A Twitter library in JavaScript
 *
 * @package codebird
 * @subpackage codebird-js
 */
/* jshint -W098 */
var Codebird = function () {
/* jshint +W098 */

    /**
     * The OAuth consumer key of your registered app
     */
    var _oauth_consumer_key = null;

    /**
     * The corresponding consumer secret
     */
    var _oauth_consumer_secret = null;

    /**
     * The app-only bearer token. Used to authorize app-only requests
     */
    var _oauth_bearer_token = null;

    /**
     * The API endpoint base to use
     */
    var _endpoint_base = "https://api.twitter.com/";

    /**
     * The media API endpoint base to use
     */
    var _endpoint_base_media = "https://upload.twitter.com/";

    /**
     * The API endpoint to use
     */
    var _endpoint = _endpoint_base + "1.1/";

    /**
     * The media API endpoint to use
     */
    var _endpoint_media = _endpoint_base_media + "1.1/";

    /**
     * The API endpoint base to use
     */
    var _endpoint_oauth = _endpoint_base;

    /**
     * API proxy endpoint
     */
    var _endpoint_proxy = "https://api.jublo.net/codebird/";

    /**
     * The API endpoint to use for old requests
     */
    var _endpoint_old = _endpoint_base + "1/";

    /**
     * Use JSONP for GET requests in IE7-9
     */
    var _use_jsonp = (typeof navigator !== "undefined"
        && typeof navigator.userAgent !== "undefined"
        && (navigator.userAgent.indexOf("Trident/4") > -1
            || navigator.userAgent.indexOf("Trident/5") > -1
            || navigator.userAgent.indexOf("MSIE 7.0") > -1
        )
    );

    /**
     * Whether to access the API via a proxy that is allowed by CORS
     * Assume that CORS is only necessary in browsers
     */
    var _use_proxy = (typeof navigator !== "undefined"
        && typeof navigator.userAgent !== "undefined"
    );

    /**
     * The Request or access token. Used to sign requests
     */
    var _oauth_token = null;

    /**
     * The corresponding request or access token secret
     */
    var _oauth_token_secret = null;

    /**
     * The current Codebird version
     */
    var _version = "2.5.0";

    /**
     * Sets the OAuth consumer key and secret (App key)
     *
     * @param string key    OAuth consumer key
     * @param string secret OAuth consumer secret
     *
     * @return void
     */
    var setConsumerKey = function (key, secret) {
        _oauth_consumer_key = key;
        _oauth_consumer_secret = secret;
    };

    /**
     * Sets the OAuth2 app-only auth bearer token
     *
     * @param string token OAuth2 bearer token
     *
     * @return void
     */
    var setBearerToken = function (token) {
        _oauth_bearer_token = token;
    };

    /**
     * Gets the current Codebird version
     *
     * @return string The version number
     */
    var getVersion = function () {
        return _version;
    };

    /**
     * Sets the OAuth request or access token and secret (User key)
     *
     * @param string token  OAuth request or access token
     * @param string secret OAuth request or access token secret
     *
     * @return void
     */
    var setToken = function (token, secret) {
        _oauth_token = token;
        _oauth_token_secret = secret;
    };

    /**
     * Enables or disables CORS proxy
     *
     * @param bool use_proxy Whether to use CORS proxy or not
     *
     * @return void
     */
    var setUseProxy = function (use_proxy) {
        _use_proxy = !! use_proxy;
    };

    /**
     * Sets custom CORS proxy server
     *
     * @param string proxy Address of proxy server to use
     *
     * @return void
     */
    var setProxy = function (proxy) {
        // add trailing slash if missing
        if (! proxy.match(/\/$/)) {
            proxy += "/";
        }
        _endpoint_proxy = proxy;
    };

    /**
     * Parse URL-style parameters into object
     *
     * version: 1109.2015
     * discuss at: http://phpjs.org/functions/parse_str
     * +   original by: Cagri Ekin
     * +   improved by: Michael White (http://getsprink.com)
     * +    tweaked by: Jack
     * +   bugfixed by: Onno Marsman
     * +   reimplemented by: stag019
     * +   bugfixed by: Brett Zamir (http://brett-zamir.me)
     * +   bugfixed by: stag019
     * -    depends on: urldecode
     * +   input by: Dreamer
     * +   bugfixed by: Brett Zamir (http://brett-zamir.me)
     * %        note 1: When no argument is specified, will put variables in global scope.
     *
     * @param string str String to parse
     * @param array array to load data into
     *
     * @return object
     */
    var _parse_str = function (str, array) {
        var glue1 = "=",
            glue2 = "&",
            array2 = String(str).replace(/^&?([\s\S]*?)&?$/, "$1").split(glue2),
            i, j, chr, tmp, key, value, bracket, keys, evalStr,
            fixStr = function (str) {
                return decodeURIComponent(str).replace(/([\\"'])/g, "\\$1").replace(/\n/g, "\\n").replace(/\r/g, "\\r");
            };
        if (! array) {
            array = this.window;
        }

        for (i = 0; i < array2.length; i++) {
            tmp = array2[i].split(glue1);
            if (tmp.length < 2) {
                tmp = [tmp, ""];
            }
            key = fixStr(tmp[0]);
            value = fixStr(tmp[1]);
            while (key.charAt(0) === " ") {
                key = key.substr(1);
            }
            if (key.indexOf("\0") !== -1) {
                key = key.substr(0, key.indexOf("\0"));
            }
            if (key && key.charAt(0) !== "[") {
                keys = [];
                bracket = 0;
                for (j = 0; j < key.length; j++) {
                    if (key.charAt(j) === "[" && !bracket) {
                        bracket = j + 1;
                    } else if (key.charAt(j) === "]") {
                        if (bracket) {
                            if (!keys.length) {
                                keys.push(key.substr(0, bracket - 1));
                            }
                            keys.push(key.substr(bracket, j - bracket));
                            bracket = 0;
                            if (key.charAt(j + 1) !== "[") {
                                break;
                            }
                        }
                    }
                }
                if (!keys.length) {
                    keys = [key];
                }
                for (j = 0; j < keys[0].length; j++) {
                    chr = keys[0].charAt(j);
                    if (chr === " " || chr === "." || chr === "[") {
                        keys[0] = keys[0].substr(0, j) + "_" + keys[0].substr(j + 1);
                    }
                    if (chr === "[") {
                        break;
                    }
                }
                /* jshint -W061 */
                evalStr = "array";
                for (j = 0; j < keys.length; j++) {
                    key = keys[j];
                    if ((key !== "" && key !== " ") || j === 0) {
                        key = "'" + key + "'";
                    } else {
                        key = eval(evalStr + ".push([]);") - 1;
                    }
                    evalStr += "[" + key + "]";
                    if (j !== keys.length - 1 && eval("typeof " + evalStr) === "undefined") {
                        eval(evalStr + " = [];");
                    }
                }
                evalStr += " = '" + value + "';\n";
                eval(evalStr);
                /* jshint +W061 */
            }
        }
    };

    /**
     * Main API handler working on any requests you issue
     *
     * @param string   fn            The member function you called
     * @param array    params        The parameters you sent along
     * @param function callback      The callback to call with the reply
     * @param bool     app_only_auth Whether to use app-only auth
     *
     * @return mixed The API reply encoded in the set return_format
     */

    var __call = function (fn, params, callback, app_only_auth) {
        if (typeof params === "undefined") {
            params = {};
        }
        if (typeof app_only_auth === "undefined") {
            app_only_auth = false;
        }
        if (typeof callback !== "function" && typeof params === "function") {
            callback = params;
            params = {};
            if (typeof callback === "boolean") {
                app_only_auth = callback;
            }
        } else if (typeof callback === "undefined") {
            callback = function () {};
        }
        switch (fn) {
        case "oauth_authenticate":
        case "oauth_authorize":
            return this[fn](params, callback);

        case "oauth2_token":
            return this[fn](callback);
        }
        // reset token when requesting a new token (causes 401 for signature error on 2nd+ requests)
        if (fn === "oauth_requestToken") {
            setToken(null, null);
        }
        // parse parameters
        var apiparams = {};
        if (typeof params === "object") {
            apiparams = params;
        } else {
            _parse_str(params, apiparams); //TODO
        }

        // map function name to API method
        var method = "";
        var param, i, j;

        // replace _ by /
        var path = fn.split("_");
        for (i = 0; i < path.length; i++) {
            if (i > 0) {
                method += "/";
            }
            method += path[i];
        }

        // undo replacement for URL parameters
        var url_parameters_with_underscore = ["screen_name", "place_id"];
        for (i = 0; i < url_parameters_with_underscore.length; i++) {
            param = url_parameters_with_underscore[i].toUpperCase();
            var replacement_was = param.split("_").join("/");
            method = method.split(replacement_was).join(param);
        }

        // replace AA by URL parameters
        var method_template = method;
        var match = method.match(/[A-Z_]{2,}/);
        if (match) {
            for (i = 0; i < match.length; i++) {
                param = match[i];
                var param_l = param.toLowerCase();
                method_template = method_template.split(param).join(":" + param_l);
                if (typeof apiparams[param_l] === "undefined") {
                    for (j = 0; j < 26; j++) {
                        method_template = method_template.split(String.fromCharCode(65 + j)).join("_" + String.fromCharCode(97 + j));
                    }
                    console.warn("To call the templated method \"" + method_template + "\", specify the parameter value for \"" + param_l + "\".");
                }
                method = method.split(param).join(apiparams[param_l]);
                delete apiparams[param_l];
            }
        }

        // replace A-Z by _a-z
        for (i = 0; i < 26; i++) {
            method = method.split(String.fromCharCode(65 + i)).join("_" + String.fromCharCode(97 + i));
            method_template = method_template.split(String.fromCharCode(65 + i)).join("_" + String.fromCharCode(97 + i));
        }

        var httpmethod = _detectMethod(method_template, apiparams);
        var multipart = _detectMultipart(method_template);
        var internal = _detectInternal(method_template);

        return _callApi(
            httpmethod,
            method,
            apiparams,
            multipart,
            app_only_auth,
            internal,
            callback
        );
    };

    /**
     * Gets the OAuth authenticate URL for the current request token
     *
     * @return string The OAuth authenticate URL
     */
    var oauth_authenticate = function (params, callback) {
        if (typeof params.force_login === "undefined") {
            params.force_login = null;
        }
        if (typeof params.screen_name === "undefined") {
            params.screen_name = null;
        }
        if (_oauth_token === null) {
            console.warn("To get the authenticate URL, the OAuth token must be set.");
        }
        var url = _endpoint_oauth + "oauth/authenticate?oauth_token=" + _url(_oauth_token);
        if (params.force_login === true) {
            url += "?force_login=1";
            if (params.screen_name !== null) {
                url += "&screen_name=" + params.screen_name;
            }
        }
        callback(url);
        return true;
    };

    /**
     * Gets the OAuth authorize URL for the current request token
     *
     * @return string The OAuth authorize URL
     */
    var oauth_authorize = function (params, callback) {
        if (typeof params.force_login === "undefined") {
            params.force_login = null;
        }
        if (typeof params.screen_name === "undefined") {
            params.screen_name = null;
        }
        if (_oauth_token === null) {
            console.warn("To get the authorize URL, the OAuth token must be set.");
        }
        var url = _endpoint_oauth + "oauth/authorize?oauth_token=" + _url(_oauth_token);
        if (params.force_login === true) {
            url += "?force_login=1";
            if (params.screen_name !== null) {
                url += "&screen_name=" + params.screen_name;
            }
        }
        callback(url);
        return true;
    };

    /**
     * Gets the OAuth bearer token
     *
     * @return string The OAuth bearer token
     */

    var oauth2_token = function (callback) {
        if (_oauth_consumer_key === null) {
            console.warn("To obtain a bearer token, the consumer key must be set.");
        }

        if (typeof callback === "undefined") {
            callback = function () {};
        }

        var post_fields = "grant_type=client_credentials";
        var url = _endpoint_oauth + "oauth2/token";

        if (_use_proxy) {
            url = url.replace(
                _endpoint_base,
                _endpoint_proxy
            );
        }

        var xml = _getXmlRequestObject();
        if (xml === null) {
            return;
        }
        xml.open("POST", url, true);
        xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        xml.setRequestHeader(
            (_use_proxy ? "X-" : "") + "Authorization",
            "Basic " + _base64_encode(_oauth_consumer_key + ":" + _oauth_consumer_secret)
        );

        xml.onreadystatechange = function () {
            if (xml.readyState >= 4) {
                var httpstatus = 12027;
                try {
                    httpstatus = xml.status;
                } catch (e) {}
                var response = "";
                try {
                    response = xml.responseText;
                } catch (e) {}
                var reply = _parseApiReply(response);
                reply.httpstatus = httpstatus;
                if (httpstatus === 200) {
                    setBearerToken(reply.access_token);
                }
                callback(reply);
            }
        };
        xml.send(post_fields);

    };

    /**
     * Signing helpers
     */

    /**
     * URL-encodes the given data
     *
     * @param mixed data
     *
     * @return mixed The encoded data
     */
    var _url = function (data) {
        if ((/boolean|number|string/).test(typeof data)) {
            return encodeURIComponent(data).replace(/!/g, "%21").replace(/'/g, "%27").replace(/\(/g, "%28").replace(/\)/g, "%29").replace(/\*/g, "%2A");
        } else {
            return "";
        }
    };

    /**
     * Gets the base64-encoded SHA1 hash for the given data
     *
     * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
     * in FIPS PUB 180-1
     * Based on version 2.1 Copyright Paul Johnston 2000 - 2002.
     * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
     * Distributed under the BSD License
     * See http://pajhome.org.uk/crypt/md5 for details.
     *
     * @param string data The data to calculate the hash from
     *
     * @return string The hash
     */
    var _sha1 = function () {
        function n(e, b) {
            e[b >> 5] |= 128 << 24 - b % 32;
            e[(b + 64 >> 9 << 4) + 15] = b;
            for (var c = new Array(80), a = 1732584193, d = -271733879, h = -1732584194,
                    k = 271733878, g = -1009589776, p = 0; p < e.length; p += 16) {
                for (var o = a, q = d, r = h, s = k, t = g, f = 0; 80 > f; f++) {
                    var m;

                    if (f < 16) {
                        m = e[p + f];
                    } else {
                        m = c[f - 3] ^ c[f - 8] ^ c[f - 14] ^ c[f - 16];
                        m = m << 1 | m >>> 31;
                    }

                    c[f] = m;
                    m = l(l(a << 5 | a >>> 27, 20 > f ? d & h | ~d & k : 40 > f ? d ^
                        h ^ k : 60 > f ? d & h | d & k | h & k : d ^ h ^ k), l(
                        l(g, c[f]), 20 > f ? 1518500249 : 40 > f ? 1859775393 :
                        60 > f ? -1894007588 : -899497514));
                    g = k;
                    k = h;
                    h = d << 30 | d >>> 2;
                    d = a;
                    a = m;
                }
                a = l(a, o);
                d = l(d, q);
                h = l(h, r);
                k = l(k, s);
                g = l(g, t);
            }
            return [a, d, h, k, g];
        }

        function l(e, b) {
            var c = (e & 65535) + (b & 65535);
            return (e >> 16) + (b >> 16) + (c >> 16) << 16 | c & 65535;
        }

        function q(e) {
            for (var b = [], c = (1 << g) - 1, a = 0; a < e.length * g; a += g) {
                b[a >> 5] |= (e.charCodeAt(a / g) & c) << 24 - a % 32;
            }
            return b;
        }
        var g = 8;
        return function (e) {
            var b = _oauth_consumer_secret + "&" + (null !== _oauth_token_secret ?
                _oauth_token_secret : "");
            if (_oauth_consumer_secret === null) {
                console.warn("To generate a hash, the consumer secret must be set.");
            }
            var c = q(b);
            if (c.length > 16) {
                c = n(c, b.length * g);
            }
            b = new Array(16);
            for (var a = new Array(16), d = 0; d < 16; d++) {
                a[d] = c[d] ^ 909522486;
                b[d] = c[d] ^ 1549556828;
            }
            c = n(a.concat(q(e)), 512 + e.length * g);
            b = n(b.concat(c), 672);
            c = "";
            for (a = 0; a < 4 * b.length; a += 3) {
                for (d = (b[a >> 2] >> 8 * (3 - a % 4) & 255) << 16 | (b[a + 1 >> 2] >>
                    8 * (3 - (a + 1) % 4) & 255) << 8 | b[a + 2 >> 2] >> 8 * (3 -
                    (a + 2) % 4) & 255, e = 0; 4 > e; e++) {
                    c = 8 * a + 6 * e > 32 * b.length ? c + "=" : c +
                        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
                        .charAt(d >> 6 * (3 - e) & 63);
                }
            }
            return c;
        };
    }();

    /*
     * Gets the base64 representation for the given data
     *
     * http://phpjs.org
     * +   original by: Tyler Akins (http://rumkin.com)
     * +   improved by: Bayron Guevara
     * +   improved by: Thunder.m
     * +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
     * +   bugfixed by: Pellentesque Malesuada
     * +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
     * +   improved by: Rafał Kukawski (http://kukawski.pl)
     *
     * @param string data The data to calculate the base64 representation from
     *
     * @return string The base64 representation
     */
    var _base64_encode = function (a) {
        var d, e, f, b, g = 0,
            h = 0,
            i = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
            c = [];
        if (!a) {
            return a;
        }
        do {
            d = a.charCodeAt(g++);
            e = a.charCodeAt(g++);
            f = a.charCodeAt(g++);
            b = d << 16 | e << 8 | f;
            d = b >> 18 & 63;
            e = b >> 12 & 63;
            f = b >> 6 & 63;
            b &= 63;
            c[h++] = i.charAt(d) + i.charAt(e) + i.charAt(f) + i.charAt(b);
        } while (g < a.length);
        c = c.join("");
        a = a.length % 3;
        return (a ? c.slice(0, a - 3) : c) + "===".slice(a || 3);
    };

    /*
     * Builds a HTTP query string from the given data
     *
     * http://phpjs.org
     * +     original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
     * +     improved by: Legaev Andrey
     * +     improved by: Michael White (http://getsprink.com)
     * +     improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
     * +     improved by: Brett Zamir (http://brett-zamir.me)
     * +        revised by: stag019
     * +     input by: Dreamer
     * +     bugfixed by: Brett Zamir (http://brett-zamir.me)
     * +     bugfixed by: MIO_KODUKI (http://mio-koduki.blogspot.com/)
     *
     * @param string data The data to concatenate
     *
     * @return string The HTTP query
     */
    var _http_build_query = function (e, f, b) {
        function g(c, a, d) {
            var b, e = [];
            if (a === true) {
                a = "1";
            } else if (a === false) {
                a = "0";
            }
            if (null !== a) {
                if (typeof a === "object") {
                    for (b in a) {
                        if (a[b] !== null) {
                            e.push(g(c + "[" + b + "]", a[b], d));
                        }
                    }
                    return e.join(d);
                }
                if (typeof a !== "function") {
                    return _url(c) + "=" + _url(a);
                }
                console.warn("There was an error processing for http_build_query().");
            } else {
                return "";
            }
        }
        var d, c, h = [];
        if (! b) {
            b = "&";
        }
        for (c in e) {
            d = e[c];
            if (f && ! isNaN(c)) {
                c = String(f) + c;
            }
            d = g(c, d, b);
            if (d !== "") {
                h.push(d);
            }
        }
        return h.join(b);
    };

    /**
     * Generates a (hopefully) unique random string
     *
     * @param int optional length The length of the string to generate
     *
     * @return string The random string
     */
    var _nonce = function (length) {
        if (typeof length === "undefined") {
            length = 8;
        }
        if (length < 1) {
            console.warn("Invalid nonce length.");
        }
        var nonce = "";
        for (var i = 0; i < length; i++) {
            var character = Math.floor(Math.random() * 61);
            nonce += "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz".substring(character, character + 1);
        }
        return nonce;
    };

    /**
     * Sort array elements by key
     *
     * @param array input_arr The array to sort
     *
     * @return array The sorted keys
     */
    var _ksort = function (input_arr) {
        var keys = [], sorter, k;

        sorter = function (a, b) {
            var a_float = parseFloat(a),
            b_float = parseFloat(b),
            a_numeric = a_float + "" === a,
            b_numeric = b_float + "" === b;
            if (a_numeric && b_numeric) {
                return a_float > b_float ? 1 : a_float < b_float ? -1 : 0;
            } else if (a_numeric && !b_numeric) {
                return 1;
            } else if (!a_numeric && b_numeric) {
                return -1;
            }
            return a > b ? 1 : a < b ? -1 : 0;
        };

        // Make a list of key names
        for (k in input_arr) {
            if (input_arr.hasOwnProperty(k)) {
                keys.push(k);
            }
        }
        keys.sort(sorter);
        return keys;
    };

    /**
     * Clone objects
     *
     * @param object obj    The object to clone
     *
     * @return object clone The cloned object
     */
    var _clone = function (obj) {
        var clone = {};
        for (var i in obj) {
            if (typeof(obj[i]) === "object") {
                clone[i] = _clone(obj[i]);
            } else {
                clone[i] = obj[i];
            }
        }
        return clone;
    };

    /**
     * Generates an OAuth signature
     *
     * @param string          httpmethod    Usually either 'GET' or 'POST' or 'DELETE'
     * @param string          method        The API method to call
     * @param array  optional params        The API call parameters, associative
     * @param bool   optional append_to_get Whether to append the OAuth params to GET
     *
     * @return string Authorization HTTP header
     */
    var _sign = function (httpmethod, method, params, append_to_get) {
        if (typeof params === "undefined") {
            params = {};
        }
        if (typeof append_to_get === "undefined") {
            append_to_get = false;
        }
        if (_oauth_consumer_key === null) {
            console.warn("To generate a signature, the consumer key must be set.");
        }
        var sign_params = {
            consumer_key:     _oauth_consumer_key,
            version:          "1.0",
            timestamp:        Math.round(new Date().getTime() / 1000),
            nonce:            _nonce(),
            signature_method: "HMAC-SHA1"
        };
        var sign_base_params = {};
        var value;
        for (var key in sign_params) {
            value = sign_params[key];
            sign_base_params["oauth_" + key] = _url(value);
        }
        if (_oauth_token !== null) {
            sign_base_params.oauth_token = _url(_oauth_token);
        }
        var oauth_params = _clone(sign_base_params);
        for (key in params) {
            value = params[key];
            sign_base_params[key] = value;
        }
        var keys = _ksort(sign_base_params);
        var sign_base_string = "";
        for (var i = 0; i < keys.length; i++) {
            key = keys[i];
            value = sign_base_params[key];
            sign_base_string += key + "=" + _url(value) + "&";
        }
        sign_base_string = sign_base_string.substring(0, sign_base_string.length - 1);
        var signature    = _sha1(httpmethod + "&" + _url(method) + "&" + _url(sign_base_string));

        params = append_to_get ? sign_base_params : oauth_params;
        params.oauth_signature = signature;
        keys = _ksort(params);
        var authorization = "";
        if (append_to_get) {
            for(i = 0; i < keys.length; i++) {
                key = keys[i];
                value = params[key];
                authorization += key + "=" + _url(value) + "&";
            }
            return authorization.substring(0, authorization.length - 1);
        }
        authorization = "OAuth ";
        for (i = 0; i < keys.length; i++) {
            key = keys[i];
            value = params[key];
            authorization += key + "=\"" + _url(value) + "\", ";
        }
        return authorization.substring(0, authorization.length - 2);
    };

    /**
     * Detects HTTP method to use for API call
     *
     * @param string method The API method to call
     * @param array  params The parameters to send along
     *
     * @return string The HTTP method that should be used
     */
    var _detectMethod = function (method, params) {
        // multi-HTTP method endpoints
        switch (method) {
        case "account/settings":
        case "account/login_verification_enrollment":
        case "account/login_verification_request":
            method = params.length ? method + "__post" : method;
            break;
        }

        var httpmethods = {};
        httpmethods.GET = [
            // Timelines
            "statuses/mentions_timeline",
            "statuses/user_timeline",
            "statuses/home_timeline",
            "statuses/retweets_of_me",

            // Tweets
            "statuses/retweets/:id",
            "statuses/show/:id",
            "statuses/oembed",
            "statuses/retweeters/ids",

            // Search
            "search/tweets",

            // Direct Messages
            "direct_messages",
            "direct_messages/sent",
            "direct_messages/show",

            // Friends & Followers
            "friendships/no_retweets/ids",
            "friends/ids",
            "followers/ids",
            "friendships/lookup",
            "friendships/incoming",
            "friendships/outgoing",
            "friendships/show",
            "friends/list",
            "followers/list",
            "friendships/lookup",

            // Users
            "account/settings",
            "account/verify_credentials",
            "blocks/list",
            "blocks/ids",
            "users/lookup",
            "users/show",
            "users/search",
            "users/contributees",
            "users/contributors",
            "users/profile_banner",
            "mutes/users/ids",
            "mutes/users/list",

            // Suggested Users
            "users/suggestions/:slug",
            "users/suggestions",
            "users/suggestions/:slug/members",

            // Favorites
            "favorites/list",

            // Lists
            "lists/list",
            "lists/statuses",
            "lists/memberships",
            "lists/subscribers",
            "lists/subscribers/show",
            "lists/members/show",
            "lists/members",
            "lists/show",
            "lists/subscriptions",
            "lists/ownerships",

            // Saved searches
            "saved_searches/list",
            "saved_searches/show/:id",

            // Places & Geo
            "geo/id/:place_id",
            "geo/reverse_geocode",
            "geo/search",
            "geo/similar_places",

            // Trends
            "trends/place",
            "trends/available",
            "trends/closest",

            // OAuth
            "oauth/authenticate",
            "oauth/authorize",

            // Help
            "help/configuration",
            "help/languages",
            "help/privacy",
            "help/tos",
            "application/rate_limit_status",

            // Tweets
            "statuses/lookup",

            // Internal
            "users/recommendations",
            "account/push_destinations/device",
            "activity/about_me",
            "activity/by_friends",
            "statuses/media_timeline",
            "timeline/home",
            "help/experiments",
            "search/typeahead",
            "search/universal",
            "discover/universal",
            "conversation/show",
            "statuses/:id/activity/summary",
            "account/login_verification_enrollment",
            "account/login_verification_request",
            "prompts/suggest",

            "beta/timelines/custom/list",
            "beta/timelines/timeline",
            "beta/timelines/custom/show"
        ];
        httpmethods.POST = [
            // Tweets
            "statuses/destroy/:id",
            "statuses/update",
            "statuses/retweet/:id",
            "statuses/update_with_media",
            "media/upload",

            // Direct Messages
            "direct_messages/destroy",
            "direct_messages/new",

            // Friends & Followers
            "friendships/create",
            "friendships/destroy",
            "friendships/update",

            // Users
            "account/settings__post",
            "account/update_delivery_device",
            "account/update_profile",
            "account/update_profile_background_image",
            "account/update_profile_colors",
            "account/update_profile_image",
            "blocks/create",
            "blocks/destroy",
            "account/update_profile_banner",
            "account/remove_profile_banner",
            "mutes/users/create",
            "mutes/users/destroy",

            // Favorites
            "favorites/destroy",
            "favorites/create",

            // Lists
            "lists/members/destroy",
            "lists/subscribers/create",
            "lists/subscribers/destroy",
            "lists/members/create_all",
            "lists/members/create",
            "lists/destroy",
            "lists/update",
            "lists/create",
            "lists/members/destroy_all",

            // Saved Searches
            "saved_searches/create",
            "saved_searches/destroy/:id",

            // Spam Reporting
            "users/report_spam",

            // OAuth
            "oauth/access_token",
            "oauth/request_token",
            "oauth2/token",
            "oauth2/invalidate_token",

            // Internal
            "direct_messages/read",
            "account/login_verification_enrollment__post",
            "push_destinations/enable_login_verification",
            "account/login_verification_request__post",

            "beta/timelines/custom/create",
            "beta/timelines/custom/update",
            "beta/timelines/custom/destroy",
            "beta/timelines/custom/add",
            "beta/timelines/custom/remove"
        ];
        for (var httpmethod in httpmethods) {
            if (httpmethods[httpmethod].indexOf(method) > -1) {
                return httpmethod;
            }
        }
        console.warn("Can't find HTTP method to use for \"" + method + "\".");
    };

    /**
     * Detects if API call should use multipart/form-data
     *
     * @param string method The API method to call
     *
     * @return bool Whether the method should be sent as multipart
     */
    var _detectMultipart = function (method) {
        var multiparts = [
            // Tweets
            "statuses/update_with_media",

            // Users
            "account/update_profile_background_image",
            "account/update_profile_image",
            "account/update_profile_banner"
        ];
        return multiparts.indexOf(method) > -1;
    };

    /**
     * Build multipart request from upload params
     *
     * @param string method  The API method to call
     * @param array  params  The parameters to send along
     *
     * @return null|string The built multipart request body
     */
    var _buildMultipart = function (method, params) {
        // well, files will only work in multipart methods
        if (! _detectMultipart(method)) {
            return;
        }

        // only check specific parameters
        var possible_methods = [
            // Tweets
            "statuses/update_with_media",
            // Accounts
            "account/update_profile_background_image",
            "account/update_profile_image",
            "account/update_profile_banner"
        ];
        var possible_files = {
            // Tweets
            "statuses/update_with_media": "media[]",
            // Accounts
            "account/update_profile_background_image": "image",
            "account/update_profile_image": "image",
            "account/update_profile_banner": "banner"
        };
        // method might have files?
        if (possible_methods.indexOf(method) === -1) {
            return;
        }

        // check for filenames
        possible_files = possible_files[method].split(" ");

        var multipart_border = "--------------------" + _nonce();
        var multipart_request = "";
        for (var key in params) {
            multipart_request +=
                "--" + multipart_border + "\r\n"
                + "Content-Disposition: form-data; name=\"" + key + "\"";
            if (possible_files.indexOf(key) > -1) {
                multipart_request +=
                    "\r\nContent-Transfer-Encoding: base64";
            }
            multipart_request +=
                "\r\n\r\n" + params[key] + "\r\n";
        }
        multipart_request += "--" + multipart_border + "--";
        return multipart_request;
    };

    /**
     * Detects if API call is internal
     *
     * @param string method The API method to call
     *
     * @return bool Whether the method is defined in internal API
     */
    var _detectInternal = function (method) {
        var internals = [
            "users/recommendations"
        ];
        return internals.join(" ").indexOf(method) > -1;
    };

    /**
     * Detects if API call should use media endpoint
     *
     * @param string method The API method to call
     *
     * @return bool Whether the method is defined in media API
     */
    var _detectMedia = function (method) {
        var medias = [
            "media/upload"
        ];
        return medias.join(" ").indexOf(method) > -1;
    };

    /**
     * Detects if API call should use old endpoint
     *
     * @param string method The API method to call
     *
     * @return bool Whether the method is defined in old API
     */
    var _detectOld = function (method) {
        var olds = [
            "account/push_destinations/device"
        ];
        return olds.join(" ").indexOf(method) > -1;
    };

    /**
     * Builds the complete API endpoint url
     *
     * @param string method The API method to call
     *
     * @return string The URL to send the request to
     */
    var _getEndpoint = function (method) {
        var url;
        if (method.substring(0, 5) === "oauth") {
            url = _endpoint_oauth + method;
        } else if (_detectMedia(method)) {
            url = _endpoint_media + method + ".json";
        } else if (_detectOld(method)) {
            url = _endpoint_old + method + ".json";
        } else {
            url = _endpoint + method + ".json";
        }
        return url;
    };

    /**
     * Gets the XML HTTP Request object, trying to load it in various ways
     *
     * @return object The XMLHttpRequest object instance
     */
    var _getXmlRequestObject = function () {
        var xml = null;
        // first, try the W3-standard object
        if (typeof window === "object"
            && window
            && typeof window.XMLHttpRequest !== "undefined"
        ) {
            xml = new window.XMLHttpRequest();
        // then, try Titanium framework object
        } else if (typeof Ti === "object"
            && Ti
            && typeof Ti.Network.createHTTPClient !== "undefined"
        ) {
            xml = Ti.Network.createHTTPClient();
        // are we in an old Internet Explorer?
        } else if (typeof ActiveXObject !== "undefined"
        ) {
            try {
                xml = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {
                console.error("ActiveXObject object not defined.");
            }
        // now, consider RequireJS and/or Node.js objects
        } else if (typeof require === "function"
            && require
        ) {
            // look for xmlhttprequest module
            try {
                var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
                xml = new XMLHttpRequest();
            } catch (e1) {
                // or maybe the user is using xhr2
                try {
                    var XMLHttpRequest = require("xhr2");
                    xml = new XMLHttpRequest();
                } catch (e2) {
                    console.error("xhr2 object not defined, cancelling.");
                }
            }
        }
        return xml;
    };

    /**
     * Calls the API using cURL
     *
     * @param string          httpmethod    The HTTP method to use for making the request
     * @param string          method        The API method to call
     * @param array  optional params        The parameters to send along
     * @param bool   optional multipart     Whether to use multipart/form-data
     * @param bool   optional app_only_auth Whether to use app-only bearer authentication
     * @param bool   optional internal      Whether to use internal call
     * @param function        callback      The function to call with the API call result
     *
     * @return mixed The API reply, encoded in the set return_format
     */

    var _callApi = function (httpmethod, method, params, multipart, app_only_auth, internal, callback) {
        if (typeof params === "undefined") {
            params = {};
        }
        if (typeof multipart === "undefined") {
            multipart = false;
        }
        if (typeof app_only_auth === "undefined") {
            app_only_auth = false;
        }
        if (typeof callback !== "function") {
            callback = function () {};
        }
        if (internal) {
            params.adc            = "phone";
            params.application_id = 333903271;
        }

        var url           = _getEndpoint(method);
        var authorization = null;

        var xml = _getXmlRequestObject();
        if (xml === null) {
            return;
        }
        var post_fields;

        if (httpmethod === "GET") {
            var url_with_params = url;
            if (JSON.stringify(params) !== "{}") {
                url_with_params += "?" + _http_build_query(params);
            }
            if (! app_only_auth) {
                authorization = _sign(httpmethod, url, params);
            }

            // append auth params to GET url for IE7-9, to send via JSONP
            if (_use_jsonp) {
                if (JSON.stringify(params) !== "{}") {
                    url_with_params += "&";
                } else {
                    url_with_params += "?";
                }
                var callback_name = _nonce();
                window[callback_name] = function (reply) {
                    reply.httpstatus = 200;

                    var rate = null;
                    if (typeof xml.getResponseHeader !== "undefined"
                        && xml.getResponseHeader("x-rate-limit-limit") !== ""
                    ) {
                        rate = {
                            limit: xml.getResponseHeader("x-rate-limit-limit"),
                            remaining: xml.getResponseHeader("x-rate-limit-remaining"),
                            reset: xml.getResponseHeader("x-rate-limit-reset")
                        };
                    }
                    callback(reply, rate);
                };
                params.callback = callback_name;
                url_with_params = url + "?" + _sign(httpmethod, url, params, true);
                var tag = document.createElement("script");
                tag.type = "text/javascript";
                tag.src = url_with_params;
                var body = document.getElementsByTagName("body")[0];
                body.appendChild(tag);
                return;

            } else if (_use_proxy) {
                url_with_params = url_with_params.replace(
                    _endpoint_base,
                    _endpoint_proxy
                ).replace(
                    _endpoint_base_media,
                    _endpoint_proxy
                );
            }
            xml.open(httpmethod, url_with_params, true);
        } else {
            if (_use_jsonp) {
                console.warn("Sending POST requests is not supported for IE7-9.");
                return;
            }
            if (multipart) {
                if (! app_only_auth) {
                    authorization = _sign(httpmethod, url, {});
                }
                params = _buildMultipart(method, params);
            } else {
                if (! app_only_auth) {
                    authorization = _sign(httpmethod, url, params);
                }
                params = _http_build_query(params);
            }
            post_fields = params;
            if (_use_proxy || multipart) { // force proxy for multipart base64
                url = url.replace(
                    _endpoint_base,
                    _endpoint_proxy
                ).replace(
                    _endpoint_base_media,
                    _endpoint_proxy
                );
            }
            xml.open(httpmethod, url, true);
            if (multipart) {
                xml.setRequestHeader("Content-Type", "multipart/form-data; boundary="
                    + post_fields.split("\r\n")[0].substring(2));
            } else {
                xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
            }
        }
        if (app_only_auth) {
            if (_oauth_consumer_key === null
                && _oauth_bearer_token === null
            ) {
                console.warn("To make an app-only auth API request, consumer key or bearer token must be set.");
            }
            // automatically fetch bearer token, if necessary
            if (_oauth_bearer_token === null) {
                return oauth2_token(function () {
                    _callApi(httpmethod, method, params, multipart, app_only_auth, false, callback);
                });
            }
            authorization = "Bearer " + _oauth_bearer_token;
        }
        if (authorization !== null) {
            xml.setRequestHeader((_use_proxy ? "X-" : "") + "Authorization", authorization);
        }
        xml.onreadystatechange = function () {
            if (xml.readyState >= 4) {
                var httpstatus = 12027;
                try {
                    httpstatus = xml.status;
                } catch (e) {}
                var response = "";
                try {
                    response = xml.responseText;
                } catch (e) {}
                var reply = _parseApiReply(response);
                reply.httpstatus = httpstatus;
                var rate = null;
                if (typeof xml.getResponseHeader !== "undefined"
                    && xml.getResponseHeader("x-rate-limit-limit") !== ""
                ) {
                    rate = {
                        limit: xml.getResponseHeader("x-rate-limit-limit"),
                        remaining: xml.getResponseHeader("x-rate-limit-remaining"),
                        reset: xml.getResponseHeader("x-rate-limit-reset")
                    };
                }
                callback(reply, rate);
            }
        };
        xml.send(httpmethod === "GET" ? null : post_fields);
        return true;
    };

    /**
     * Parses the API reply to encode it in the set return_format
     *
     * @param string reply  The actual reply, JSON-encoded or URL-encoded
     *
     * @return array|object The parsed reply
     */
    var _parseApiReply = function (reply) {
        if (typeof reply !== "string" || reply === "") {
            return {};
        }
        if (reply === "[]") {
            return [];
        }
        var parsed;
        try {
            parsed = JSON.parse(reply);
        } catch (e) {
            parsed = {};
            if (reply.indexOf("<" + "?xml version=\"1.0\" encoding=\"UTF-8\"?" + ">") === 0) {
                // we received XML...
                // since this only happens for errors,
                // don't perform a full decoding
                parsed.request = reply.match(/<request>(.*)<\/request>/)[1];
                parsed.error   = reply.match(/<error>(.*)<\/error>/)[1];
            } else {
                // assume query format
                var elements = reply.split("&");
                for (var i = 0; i < elements.length; i++) {
                    var element = elements[i].split("=", 2);
                    if (element.length > 1) {
                        parsed[element[0]] = decodeURIComponent(element[1]);
                    } else {
                        parsed[element[0]] = null;
                    }
                }
            }
        }
        return parsed;
    };

    return {
        setConsumerKey: setConsumerKey,
        getVersion: getVersion,
        setToken: setToken,
        setBearerToken: setBearerToken,
        setUseProxy: setUseProxy,
        setProxy: setProxy,
        __call: __call,
        oauth_authenticate: oauth_authenticate,
        oauth_authorize: oauth_authorize,
        oauth2_token: oauth2_token
    };
};

if (typeof module === "object"
    && module
    && typeof module.exports === "object"
) {
    // Expose codebird as module.exports in loaders that implement the Node
    // module pattern (including browserify). Do not create the global, since
    // the user will be storing it themselves locally, and globals are frowned
    // upon in the Node module world.
    module.exports = Codebird;
} else {
    // Otherwise expose codebird to the global object as usual
    if (typeof window === "object"
        && window) {
        window.Codebird = Codebird;
    }

    // Register as a named AMD module, since codebird can be concatenated with other
    // files that may use define, but not via a proper concatenation script that
    // understands anonymous AMD modules. A named AMD is safest and most robust
    // way to register. Lowercase codebird is used because AMD module names are
    // derived from file names, and codebird is normally delivered in a lowercase
    // file name. Do this after creating the global so that if an AMD module wants
    // to call noConflict to hide this version of codebird, it will work.
    if (typeof define === "function" && define.amd) {
        define("codebird", [], function () { return Codebird; });
    }
}

})();
// source --> https://matemnews.com/wp-content/plugins/wp-social-feed/includes/../bower_components/doT/doT.min.js?ver=5.3.2 
/* Laura Doktorova https://github.com/olado/doT */
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// source --> https://matemnews.com/wp-content/plugins/wp-social-feed/includes/../bower_components/moment/min/moment.min.js?ver=5.3.2 
//! moment.js
//! version : 2.8.4
//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
//! license : MIT
//! momentjs.com
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a&&(a=Q(a)),Math.abs(a)<16&&(a=60*a),!this._isUTC&&b&&(c=this._dateTzOffset()),this._offset=a,this._isUTC=!0,null!=c&&this.subtract(c,"m"),d!==a&&(!b||this._changeInProgress?t(this,tb.duration(d-a,"m"),1,!1):this._changeInProgress||(this._changeInProgress=!0,tb.updateOffset(this,!0),this._changeInProgress=null)),this)},zoneAbbr:function(){return this._isUTC?"UTC":""},zoneName:function(){return this._isUTC?"Coordinated Universal Time":""},parseZone:function(){return this._tzm?this.zone(this._tzm):"string"==typeof this._i&&this.zone(this._i),this},hasAlignedHourOffset:function(a){return a=a?tb(a).zone():0,(this.zone()-a)%60===0},daysInMonth:function(){return B(this.year(),this.month())},dayOfYear:function(a){var b=yb((tb(this).startOf("day")-tb(this).startOf("year"))/864e5)+1;return null==a?b:this.add(a-b,"d")},quarter:function(a){return null==a?Math.ceil((this.month()+1)/3):this.month(3*(a-1)+this.month()%3)},weekYear:function(a){var b=hb(this,this.localeData()._week.dow,this.localeData()._week.doy).year;return null==a?b:this.add(a-b,"y")},isoWeekYear:function(a){var b=hb(this,1,4).year;return null==a?b:this.add(a-b,"y")},week:function(a){var b=this.localeData().week(this);return null==a?b:this.add(7*(a-b),"d")},isoWeek:function(a){var b=hb(this,1,4).week;return null==a?b:this.add(7*(a-b),"d")},weekday:function(a){var b=(this.day()+7-this.localeData()._week.dow)%7;return null==a?b:this.add(a-b,"d")},isoWeekday:function(a){return null==a?this.day()||7:this.day(this.day()%7?a:a-7)},isoWeeksInYear:function(){return C(this.year(),1,4)},weeksInYear:function(){var a=this.localeData()._week;return C(this.year(),a.dow,a.doy)},get:function(a){return a=x(a),this[a]()},set:function(a,b){return a=x(a),"function"==typeof this[a]&&this[a](b),this},locale:function(b){var c;return b===a?this._locale._abbr:(c=tb.localeData(b),null!=c&&(this._locale=c),this)},lang:f("moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.",function(b){return b===a?this.localeData():this.locale(b)}),localeData:function(){return this._locale},_dateTzOffset:function(){return 15*Math.round(this._d.getTimezoneOffset()/15)}}),tb.fn.millisecond=tb.fn.milliseconds=ob("Milliseconds",!1),tb.fn.second=tb.fn.seconds=ob("Seconds",!1),tb.fn.minute=tb.fn.minutes=ob("Minutes",!1),tb.fn.hour=tb.fn.hours=ob("Hours",!0),tb.fn.date=ob("Date",!0),tb.fn.dates=f("dates accessor is deprecated. Use date instead.",ob("Date",!0)),tb.fn.year=ob("FullYear",!0),tb.fn.years=f("years accessor is deprecated. Use year instead.",ob("FullYear",!0)),tb.fn.days=tb.fn.day,tb.fn.months=tb.fn.month,tb.fn.weeks=tb.fn.week,tb.fn.isoWeeks=tb.fn.isoWeek,tb.fn.quarters=tb.fn.quarter,tb.fn.toJSON=tb.fn.toISOString,m(tb.duration.fn=l.prototype,{_bubble:function(){var a,b,c,d=this._milliseconds,e=this._days,f=this._months,g=this._data,h=0;g.milliseconds=d%1e3,a=o(d/1e3),g.seconds=a%60,b=o(a/60),g.minutes=b%60,c=o(b/60),g.hours=c%24,e+=o(c/24),h=o(pb(e)),e-=o(qb(h)),f+=o(e/30),e%=30,h+=o(f/12),f%=12,g.days=e,g.months=f,g.years=h},abs:function(){return this._milliseconds=Math.abs(this._milliseconds),this._days=Math.abs(this._days),this._months=Math.abs(this._months),this._data.milliseconds=Math.abs(this._data.milliseconds),this._data.seconds=Math.abs(this._data.seconds),this._data.minutes=Math.abs(this._data.minutes),this._data.hours=Math.abs(this._data.hours),this._data.months=Math.abs(this._data.months),this._data.years=Math.abs(this._data.years),this},weeks:function(){return o(this.days()/7)},valueOf:function(){return this._milliseconds+864e5*this._days+this._months%12*2592e6+31536e6*A(this._months/12)},humanize:function(a){var b=gb(this,!a,this.localeData());return a&&(b=this.localeData().pastFuture(+this,b)),this.localeData().postformat(b)},add:function(a,b){var c=tb.duration(a,b);return this._milliseconds+=c._milliseconds,this._days+=c._days,this._months+=c._months,this._bubble(),this},subtract:function(a,b){var c=tb.duration(a,b);return this._milliseconds-=c._milliseconds,this._days-=c._days,this._months-=c._months,this._bubble(),this},get:function(a){return a=x(a),this[a.toLowerCase()+"s"]()},as:function(a){var b,c;if(a=x(a),"month"===a||"year"===a)return b=this._days+this._milliseconds/864e5,c=this._months+12*pb(b),"month"===a?c:c/12;switch(b=this._days+Math.round(qb(this._months/12)),a){case"week":return b/7+this._milliseconds/6048e5;case"day":return b+this._milliseconds/864e5;case"hour":return 24*b+this._milliseconds/36e5;case"minute":return 24*b*60+this._milliseconds/6e4;case"second":return 24*b*60*60+this._milliseconds/1e3;
case"millisecond":return Math.floor(24*b*60*60*1e3)+this._milliseconds;default:throw new Error("Unknown unit "+a)}},lang:tb.fn.lang,locale:tb.fn.locale,toIsoString:f("toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)",function(){return this.toISOString()}),toISOString:function(){var a=Math.abs(this.years()),b=Math.abs(this.months()),c=Math.abs(this.days()),d=Math.abs(this.hours()),e=Math.abs(this.minutes()),f=Math.abs(this.seconds()+this.milliseconds()/1e3);return this.asSeconds()?(this.asSeconds()<0?"-":"")+"P"+(a?a+"Y":"")+(b?b+"M":"")+(c?c+"D":"")+(d||e||f?"T":"")+(d?d+"H":"")+(e?e+"M":"")+(f?f+"S":""):"P0D"},localeData:function(){return this._locale}}),tb.duration.fn.toString=tb.duration.fn.toISOString;for(vb in ic)c(ic,vb)&&rb(vb.toLowerCase());tb.duration.fn.asMilliseconds=function(){return this.as("ms")},tb.duration.fn.asSeconds=function(){return this.as("s")},tb.duration.fn.asMinutes=function(){return this.as("m")},tb.duration.fn.asHours=function(){return this.as("h")},tb.duration.fn.asDays=function(){return this.as("d")},tb.duration.fn.asWeeks=function(){return this.as("weeks")},tb.duration.fn.asMonths=function(){return this.as("M")},tb.duration.fn.asYears=function(){return this.as("y")},tb.locale("en",{ordinalParse:/\d{1,2}(th|st|nd|rd)/,ordinal:function(a){var b=a%10,c=1===A(a%100/10)?"th":1===b?"st":2===b?"nd":3===b?"rd":"th";return a+c}}),Jb?module.exports=tb:"function"==typeof define&&define.amd?(define("moment",function(a,b,c){return c.config&&c.config()&&c.config().noGlobal===!0&&(xb.moment=ub),tb}),sb(!0)):sb()}).call(this);
// source --> https://matemnews.com/wp-content/plugins/wp-social-feed/includes/../bower_components/social-feed/js/jquery.socialfeed.js?ver=5.3.2 
if (typeof Object.create !== 'function') {
    Object.create = function(obj) {
        function F() {}
        F.prototype = obj;
        return new F();
    };
}

(function($, window, document, undefined) {
    $.fn.socialfeed = function(_options) {


        var defaults = {
            plugin_folder: '', // a folder in which the plugin is located (with a slash in the end)
            template: 'template.html', // a path to the template file
            show_media: false, // show images of attachments if available
            media_min_width: 300,
            length: 500, // maximum length of post message shown
            date_format: 'll'
        };
        //---------------------------------------------------------------------------------
        var options = $.extend(defaults, _options),
            container = $(this),
            template,
            social_networks = ['facebook', 'instagram', 'vk', 'google', 'blogspot', 'twitter', 'pinterest', 'rss'],
            posts_to_load_count = 0,
            loaded_post_count = 0;
        // container.empty().css('display', 'block');
        //---------------------------------------------------------------------------------

        //---------------------------------------------------------------------------------
        // This function performs consequent data loading from all of the sources by calling corresponding functions
        function calculatePostsToLoadCount() {
            social_networks.forEach(function(network) {
                if (options[network]) {
                    if (options[network].accounts) {
                        posts_to_load_count += options[network].limit * options[network].accounts.length;
                    } else {
                        posts_to_load_count += options[network].limit;
                    }
                }
            });
        }

        calculatePostsToLoadCount();

        function fireCallback() {
            var fire = true;
            /*$.each(Object.keys(loaded), function() {
                if (loaded[this] > 0)
                    fire = false;
            });*/
            if (fire && options.callback) {
                options.callback();
            }
        }

        var Utility = {
            request: function(url, callback) {
                $.ajax({
                    url: url,
                    dataType: 'jsonp',
                    success: callback
                });
            },
            get_request: function(url, callback) {
                $.get(url, callback, 'json');
            },
            wrapLinks: function(string, social_network) {
                var exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
                if (social_network === 'google-plus') {
                    string = string.replace(/(@|#)([a-z0-9_]+['])/ig, Utility.wrapGoogleplusTagTemplate);
                } else {
                    string = string.replace(exp, Utility.wrapLinkTemplate);
                }
                return string;
            },
            wrapLinkTemplate: function(string) {
                return '<a target="_blank" href="' + string + '">' + string + '<\/a>';
            },
            wrapGoogleplusTagTemplate: function(string) {
                return '<a target="_blank" href="https://plus.google.com/s/' + string + '" >' + string + '<\/a>';
            },
            shorten: function(string) {
                string = $.trim(string);
                if (string.length > options.length) {
                    return jQuery.trim(string).substring(0, options.length).split(" ").slice(0, -1).join(" ") + "...";
                } else {
                    return string;
                }
            },
            stripHTML: function(string) {
                if (typeof string === "undefined" || string === null) {
                    return '';
                }
                return string.replace(/(<([^>]+)>)|nbsp;|\s{2,}|/ig, "");
            }
        };

        function SocialFeedPost(social_network, data) {
            this.content = data;
            this.content.social_network = social_network;
            this.content.attachment = (this.content.attachment === undefined) ? '' : this.content.attachment;
            this.content.time_ago = data.dt_create.fromNow();
            this.content.date = data.dt_create.format(options.date_format);
            this.content.dt_create = this.content.dt_create.valueOf();
            this.content.text = Utility.wrapLinks(Utility.shorten(data.message + ' ' + data.description), data.social_network);
            this.content.moderation_passed = (options.moderation) ? options.moderation(this.content) : true;

            Feed[social_network].posts.push(this);
        }
        SocialFeedPost.prototype = {
            render: function() {
                var rendered_html = Feed.template(this.content);
                var data = this.content;

                if ($(container).children('[social-feed-id=' + data.id + ']').length !== 0) {
                    return false;
                }
                if ($(container).children().length === 0) {
                    $(container).append(rendered_html);
                } else {
                    var i = 0,
                        insert_index = -1;
                    $.each($(container).children(), function() {
                        if ($(this).attr('dt-create') < data.dt_create) {
                            insert_index = i;
                            return false;
                        }
                        i++;
                    });
                    $(container).append(rendered_html);
                    if (insert_index >= 0) {
                        insert_index++;
                        var before = $(container).children('div:nth-child(' + insert_index + ')'),
                            current = $(container).children('div:last-child');
                        $(current).insertBefore(before);
                    }

                }
                if (options.media_min_width) {

                    var query = '[social-feed-id=' + data.id + '] img.attachment';
                    var image = $(query);

                    // preload the image
                    var height, width = '';
                    var img = new Image();
                    var imgSrc = image.attr("src");

                    $(img).load(function() {

                        if (img.width < options.media_min_width) {
                            image.hide();
                        }
                        // garbage collect img
                        delete img;

                    }).error(function() {
                        // image couldnt be loaded
                        image.hide();

                    }).attr({
                        src: imgSrc
                    });

                }

                loaded_post_count++;
                if (loaded_post_count == posts_to_load_count) {
                    fireCallback();
                }

            }

        };

        var Feed = {
            template: false,
            init: function() {
                Feed.getTemplate(function() {
                    social_networks.forEach(function(network) {
                        if (options[network]) {
                            if ( options[network].accounts ) {
                                //loaded[network] = 0;
                                options[network].accounts.forEach(function(account) {
                                    //loaded[network]++;
                                    Feed[network].getData(account);
                                });
                            } else if ( options[network].urls ) {
                                options[network].urls.forEach(function(url) {
                                    Feed[network].getData(url);
                                });
                            } else {
                                Feed[network].getData();
                            }
                        }
                    });
                });
            },
            getTemplate: function(callback) {
                if (Feed.template)
                    return callback();
                else {
                    if (options.template_html) {
                        Feed.template = doT.template(options.template_html);
                        return callback();
                    } else {
                        $.get(options.template, function(template_html) {
                            Feed.template = doT.template(template_html);
                            return callback();
                        });
                    }
                }
            },
            twitter: {
                posts: [],
                loaded: false,
                api: 'http://api.tweecool.com/',

                getData: function(account) {

                    var cb = new Codebird();
                    cb.setConsumerKey(options.twitter.consumer_key, options.twitter.consumer_secret);

                    // Allow setting your own proxy with Codebird
                    if (options.twitter.proxy !== undefined) {
                        cb.setProxy(options.twitter.proxy);
                    }

                    switch (account[0]) {
                        case '@':
                            var userid = account.substr(1);
                            cb.__call(
                                "statuses_userTimeline",
                                "id=" + userid + "&count=" + options.twitter.limit,
                                Feed.twitter.utility.getPosts,
                                true // this parameter required
                            );
                            break;
                        case '#':
                            var hashtag = account.substr(1);
                            cb.__call(
                                "search_tweets",
                                "q=" + hashtag + "&count=" + options.twitter.limit,
                                function(reply) {
                                    Feed.twitter.utility.getPosts(reply.statuses);
                                },
                                true // this parameter required
                            );
                            break;
                        default:
                    }
                },
                utility: {
                    getPosts: function(json) {
                        if (json) {
                            $.each(json, function() {
                                var element = this;
                                var post = new SocialFeedPost('twitter', Feed.twitter.utility.unifyPostData(element));
                                post.render();
                            });
                        }
                    },
                    unifyPostData: function(element) {
                        var post = {};
                        if (element.id) {
                            post.id = element.id;
                            //prevent a moment.js console warning due to Twitter's poor date format.
                            post.dt_create = moment(new Date(element.created_at));
                            post.author_link = 'http://twitter.com/' + element.user.screen_name;
                            post.author_picture = element.user.profile_image_url;
                            post.post_url = post.author_link + '/status/' + element.id_str;
                            post.author_name = element.user.name;
                            post.message = element.text;
                            post.description = '';
                            post.link = 'http://twitter.com/' + element.user.screen_name + '/status/' + element.id_str;

                            if (options.show_media === true) {
                                if (element.entities.media && element.entities.media.length > 0) {
                                    var image_url = element.entities.media[0].media_url;
                                    if (image_url) {
                                        post.attachment = '<img class="attachment" src="' + image_url + '" />';
                                    }
                                }
                            }
                        }
                        return post;
                    }
                }
            },
            facebook: {
                posts: [],
                graph: 'https://graph.facebook.com/',
                loaded: false,
                getData: function(account) {
                    var proceed = function(request_url){
                        Utility.request(request_url, Feed.facebook.utility.getPosts);
                    };
                    var fields = '?fields=id,from,name,message,created_time,story,description,link';
                       fields += (options.show_media === true)?',picture,object_id':'';
                    var request_url, limit = '&limit=' + options.facebook.limit,
                        query_extention = '&access_token=' + options.facebook.access_token + '&callback=?';
                    switch (account[0]) {
                        case '@':
                            var username = account.substr(1);
                            Feed.facebook.utility.getUserId(username, function(userdata) {
                                if (userdata.id !== '') {
                                    request_url = Feed.facebook.graph + 'v2.4/' + userdata.id + '/posts'+ fields + limit + query_extention;
                                    proceed(request_url);
                                }
                            });
                            break;
                        case '!':
                            var page = account.substr(1);
                            request_url = Feed.facebook.graph + 'v2.4/' + page + '/feed'+ fields + limit + query_extention;
                            proceed(request_url);
                            break;
                        default:
                            proceed(request_url);
                    }
                },
                utility: {
                    getUserId: function(username, callback) {
                        var query_extention = '&access_token=' + options.facebook.access_token + '&callback=?';
                        var url = 'https://graph.facebook.com/' + username + '?' + query_extention;
                        var result = '';
                        $.get(url, callback, 'json');
                    },
                    prepareAttachment: function(element) {
                        var image_url = element.picture;
                        if (image_url.indexOf('_b.') !== -1) {
                            //do nothing it is already big
                        } else if (image_url.indexOf('safe_image.php') !== -1) {
                            image_url = Feed.facebook.utility.getExternalImageURL(image_url, 'url');

                        } else if (image_url.indexOf('app_full_proxy.php') !== -1) {
                            image_url = Feed.facebook.utility.getExternalImageURL(image_url, 'src');

                        } else if (element.object_id) {
                            image_url = Feed.facebook.graph + element.object_id + '/picture/?type=normal';
                        }
                        return '<img class="attachment" src="' + image_url + '" />';
                    },
                    getExternalImageURL: function(image_url, parameter) {
                        image_url = decodeURIComponent(image_url).split(parameter + '=')[1];
                        if (image_url.indexOf('fbcdn-sphotos') === -1) {
                            return image_url.split('&')[0];
                        } else {
                            return image_url;
                        }

                    },
                    getPosts: function(json) {
                        if (json['data']) {
                            json['data'].forEach(function(element) {
                                var post = new SocialFeedPost('facebook', Feed.facebook.utility.unifyPostData(element));
                                post.render();
                            });
                        }
                    },
                    unifyPostData: function(element) {
                        var post = {},
                            text = (element.message) ? element.message : element.story;

                        post.id = element.id;
                        post.dt_create = moment(element.created_time);
                        post.author_link = 'http://facebook.com/' + element.from.id;
                        post.author_picture = Feed.facebook.graph + element.from.id + '/picture';
                        post.author_name = element.from.name;
                        post.name = element.name || "";
                        post.message = (text) ? text : '';
                        post.description = (element.description) ? element.description : '';
                        post.link = (element.link) ? element.link : 'http://facebook.com/' + element.from.id;

                        if (options.show_media === true) {
                            if (element.picture) {
                                var attachment = Feed.facebook.utility.prepareAttachment(element);
                                if (attachment) {
                                    post.attachment = attachment;
                                }
                            }
                        }
                        return post;
                    }
                }
            },
            google: {
                posts: [],
                loaded: false,
                api: 'https://www.googleapis.com/plus/v1/',
                getData: function(account) {
                    var request_url;
                    switch (account[0]) {
                        case '#':
                            var hashtag = account.substr(1);
                            request_url = Feed.google.api + 'activities?query=' + hashtag + '&key=' + options.google.access_token + '&maxResults=' + options.google.limit;
                            Utility.get_request(request_url, Feed.google.utility.getPosts);
                            break;
                        case '@':
                            var username = account.substr(1);
                            request_url = Feed.google.api + 'people/' + username + '/activities/public?key=' + options.google.access_token + '&maxResults=' + options.google.limit;
                            Utility.get_request(request_url, Feed.google.utility.getPosts);
                            break;
                        default:
                    }
                },
                utility: {
                    getPosts: function(json) {
                        if (json.items) {
                            $.each(json.items, function(i) {
                                var post = new SocialFeedPost('google', Feed.google.utility.unifyPostData(json.items[i]));
                                post.render();
                            });
                        }
                    },
                    unifyPostData: function(element) {
                        var post = {};

                        post.id = element.id;
                        post.attachment = '';
                        post.description = '';
                        post.dt_create = moment(element.published);
                        post.author_link = element.actor.url;
                        post.author_picture = element.actor.image.url;
                        post.author_name = element.actor.displayName;

                        if (options.show_media === true) {
                            if (element.object.attachments) {
                                $.each(element.object.attachments, function() {
                                    var image = '';
                                    if (this.fullImage) {
                                        image = this.fullImage.url;
                                    } else {
                                        if (this.objectType === 'album') {
                                            if (this.thumbnails && this.thumbnails.length > 0) {
                                                if (this.thumbnails[0].image) {
                                                    image = this.thumbnails[0].image.url;
                                                }
                                            }
                                        }
                                    }
                                    post.attachment = '<img class="attachment" src="' + image + '"/>';
                                });
                            }
                        }
                        post.message = element.title;
                        post.link = element.url;

                        return post;
                    }
                }
            },
            instagram: {
                posts: [],
                api: 'https://api.instagram.com/v1/',
                loaded: false,
                accessType: function() {
                    // If we have both the client_id and access_token set in options,
                    // use access_token for authentication. If client_id is not set
                    // then use access_token. If neither are set, log an error to console.
                    if (typeof options.instagram.access_token === 'undefined' && typeof options.instagram.client_id === 'undefined') {
                        console.log('You need to define a client_id or access_token to authenticate with Instagram\'s API.');
                        return undefined;
                    }
                    if (options.instagram.access_token) { options.instagram.client_id = undefined; }
                    options.instagram.access_type = (typeof options.instagram.client_id === 'undefined' ? 'access_token' : 'client_id');
                    return options.instagram.access_type;
                },
                getData: function(account) {
                    var url;

                    // API endpoint URL depends on which authentication type we're using.
                    if (this.accessType() !== 'undefined') {
                        var authTokenParams = options.instagram.access_type + '=' + options.instagram[options.instagram.access_type];
                    }

                    switch (account[0]) {
                        case '@':
                            var username = account.substr(1);
                            url = Feed.instagram.api + 'users/search/?q=' + username + '&' + authTokenParams + '&count=1' + '&callback=?';
                            Utility.request(url, Feed.instagram.utility.getUsers);
                            break;
                        case '#':
                            var hashtag = account.substr(1);
                            url = Feed.instagram.api + 'tags/' + hashtag + '/media/recent/?' + authTokenParams + '&' + 'count=' + options.instagram.limit + '&callback=?';
                            Utility.request(url, Feed.instagram.utility.getImages);
                            break;
                        case '&':
                            var id = account.substr(1);
                            url = Feed.instagram.api + 'users/' + id + '/?' + authTokenParams + '&' + 'count=' + options.instagram.limit + '&callback=?';
                            Utility.request(url, Feed.instagram.utility.getUsers);
                        default:
                    }
                },
                utility: {
                    getImages: function(json) {
                        if (json.data) {
                            json.data.forEach(function(element) {
                                var post = new SocialFeedPost('instagram', Feed.instagram.utility.unifyPostData(element));
                                post.render();
                            });
                        }
                    },
                    getUsers: function(json) {
                        // API endpoint URL depends on which authentication type we're using.
                        if (options.instagram.access_type !== 'undefined') {
                            var authTokenParams = options.instagram.access_type + '=' + options.instagram[options.instagram.access_type];
                        }

                        if (!jQuery.isArray(json.data)) json.data = [json.data]
                        json.data.forEach(function(user) {
                            var url = Feed.instagram.api + 'users/' + user.id + '/media/recent/?' + authTokenParams + '&' + 'count=' + options.instagram.limit + '&callback=?';
                            Utility.request(url, Feed.instagram.utility.getImages);
                        });
                    },
                    unifyPostData: function(element) {
                        var post = {};

                        post.id = element.id;
                        post.dt_create = moment(element.created_time * 1000);
                        post.author_link = 'http://instagram.com/' + element.user.username;
                        post.author_picture = element.user.profile_picture;
                        post.author_name = element.user.full_name || element.user.username;
                        post.message = (element.caption && element.caption) ? element.caption.text : '';
                        post.description = '';
                        post.link = element.link;
                        if (options.show_media) {
                            post.attachment = '<img class="attachment" src="' + element.images.standard_resolution.url + '' + '" />';
                        }
                        return post;
                    }
                }
            },
            vk: {
                posts: [],
                loaded: false,
                base: 'http://vk.com/',
                api: 'https://api.vk.com/method/',
                user_json_template: 'https://api.vk.com/method/' + 'users.get?fields=first_name,%20last_name,%20screen_name,%20photo&uid=',
                group_json_template: 'https://api.vk.com/method/' + 'groups.getById?fields=first_name,%20last_name,%20screen_name,%20photo&gid=',
                getData: function(account) {
                    var request_url;

                    switch (account[0]) {
                        case '@':
                            var username = account.substr(1);
                            request_url = Feed.vk.api + 'wall.get?owner_id=' + username + '&filter=' + options.vk.source + '&count=' + options.vk.limit + '&callback=?';
                            Utility.get_request(request_url, Feed.vk.utility.getPosts);
                            break;
                        case '#':
                            var hashtag = account.substr(1);
                            request_url = Feed.vk.api + 'newsfeed.search?q=' + hashtag + '&count=' + options.vk.limit + '&callback=?';
                            Utility.get_request(request_url, Feed.vk.utility.getPosts);
                            break;
                        default:
                    }
                },
                utility: {
                    getPosts: function(json) {
                        if (json.response) {
                            $.each(json.response, function() {
                                if (this != parseInt(this) && this.post_type === 'post') {
                                    var owner_id = (this.owner_id) ? this.owner_id : this.from_id,
                                        vk_wall_owner_url = (owner_id > 0) ? (Feed.vk.user_json_template + owner_id + '&callback=?') : (Feed.vk.group_json_template + (-1) * owner_id + '&callback=?'),
                                        element = this;
                                    Utility.get_request(vk_wall_owner_url, function(wall_owner) {
                                        Feed.vk.utility.unifyPostData(wall_owner, element, json);
                                    });
                                }
                            });
                        }
                    },
                    unifyPostData: function(wall_owner, element, json) {
                        var post = {};

                        post.id = element.id;
                        post.dt_create = moment.unix(element.date);
                        post.description = ' ';
                        post.message = Utility.stripHTML(element.text);
                        if (options.show_media) {
                            if (element.attachment) {
                                if (element.attachment.type === 'link')
                                    post.attachment = '<img class="attachment" src="' + element.attachment.link.image_src + '" />';
                                if (element.attachment.type === 'video')
                                    post.attachment = '<img class="attachment" src="' + element.attachment.video.image_big + '" />';
                                if (element.attachment.type === 'photo')
                                    post.attachment = '<img class="attachment" src="' + element.attachment.photo.src_big + '" />';
                            }
                        }

                        if (element.from_id > 0) {
                            var vk_user_json = Feed.vk.user_json_template + element.from_id + '&callback=?';
                            Utility.get_request(vk_user_json, function(user_json) {
                                var vk_post = new SocialFeedPost('vk', Feed.vk.utility.getUser(user_json, post, element, json));
                                vk_post.render();
                            });

                        } else {
                            var vk_group_json = Feed.vk.group_json_template + (-1) * element.from_id + '&callback=?';
                            Utility.get_request(vk_group_json, function(user_json) {
                                var vk_post = new SocialFeedPost('vk', Feed.vk.utility.getGroup(user_json, post, element, json));
                                vk_post.render();
                            });
                        }
                    },
                    getUser: function(user_json, post, element, json) {
                        post.author_name = user_json.response[0].first_name + ' ' + user_json.response[0].last_name;
                        post.author_picture = user_json.response[0].photo;
                        post.author_link = Feed.vk.base + user_json.response[0].screen_name;
                        post.link = Feed.vk.base + user_json.response[0].screen_name + '?w=wall' + element.from_id + '_' + element.id;

                        return post;
                    },
                    getGroup: function(user_json, post, element, json) {
                        post.author_name = user_json.response[0].name;
                        post.author_picture = user_json.response[0].photo;
                        post.author_link = Feed.vk.base + user_json.response[0].screen_name;
                        post.link = Feed.vk.base + user_json.response[0].screen_name + '?w=wall-' + user_json.response[0].gid + '_' + element.id;

                        return post;
                    }
                }
            },
            blogspot: {
                loaded: false,
                getData: function(account) {
                    var url;

                    switch (account[0]) {
                        case '@':
                            var username = account.substr(1);
                            url = 'http://' + username + '.blogspot.com/feeds/posts/default?alt=json-in-script&callback=?';
                            request(url, getPosts);
                            break;
                        default:
                    }
                },
                utility: {
                    getPosts: function(json) {
                        $.each(json.feed.entry, function() {
                            var post = {},
                                element = this;
                            post.id = element.id['$t'].replace(/[^a-z0-9]/gi, '');
                            post.dt_create = moment((element.published['$t']));
                            post.author_link = element.author[0]['uri']['$t'];
                            post.author_picture = 'http:' + element.author[0]['gd$image']['src'];
                            post.author_name = element.author[0]['name']['$t'];
                            post.message = element.title['$t'] + '</br></br>' + stripHTML(element.content['$t']);
                            post.description = '';
                            post.link = element.link.pop().href;

                            if (options.show_media) {
                                if (element['media$thumbnail']) {
                                    post.attachment = '<img class="attachment" src="' + element['media$thumbnail']['url'] + '" />';
                                }
                            }

                            post.render();

                        });
                    }
                }
            },
            pinterest: {
                posts: [],
                loaded: false,
                apiv1: 'https://api.pinterest.com/v1/',

                getData: function(account) {
                    var request_url,
                      limit = 'limit=' + options.pinterest.limit,
                      fields = 'fields=id,created_at,link,note,creator(url,first_name,last_name,image),image',
                      query_extention = fields + '&access_token=' + options.pinterest.access_token + '&' + limit + '&callback=?';
                    switch (account[0]) {
                        case '@':
                            var username = account.substr(1);
                            if (username === 'me') {
                                request_url = Feed.pinterest.apiv1 + 'me/pins/?' + query_extention;
                            } else {
                                request_url = Feed.pinterest.apiv1 + 'boards/' + username + '/pins?' + query_extention;
                            }
                            break;
                        default:
                    }
                    Utility.request(request_url, Feed.pinterest.utility.getPosts);
                },
                utility: {

                    getPosts: function(json) {
                        json.data.forEach(function(element) {
                            var post = new SocialFeedPost('pinterest', Feed.pinterest.utility.unifyPostData(element));
                            post.render();
                        });
                    },

                    unifyPostData: function(element){
                        var post = {};

                        post.id = element.id;
                        post.dt_create= moment(element.created_at);
                        post.author_link = element.creator.url;
                        post.author_picture = element.creator.image['60x60' ].url;
                        post.author_name =  element.creator.first_name + element.creator.last_name;
                        post.message = element.note;
                        post.description = '';
                        post.social_network = 'pinterest';
                        post.link = element.link ? element.link : 'https://www.pinterest.com/pin/' + element.id;
                        if (options.show_media) {
                            post.attachment = '<img class="attachment" src="' + element.image['original'].url + '" />';
                        }
                        return post;
                    }
                }
            },
            rss : {
                posts: [],
                loaded: false,
                api : 'https://ajax.googleapis.com/ajax/services/feed/load?v=1.0',

                getData: function(url) {
                    var limit = '&num='+ options.rss.limit,
                      request_url = Feed.rss.api + limit + '&q=' + encodeURIComponent(url);

                    Utility.request(request_url, Feed.rss.utility.getPosts);
                },
                utility: {

                    getPosts: function(json) {
                        $.each(json.responseData.feed.entries, function(index, element) {
                            var post = new SocialFeedPost('rss', Feed.rss.utility.unifyPostData(index, element));
                            post.render();
                        });
                    },

                    unifyPostData: function(index, element){
                        var post = {};

                        post.id = index;
                        post.dt_create= moment(element.publishedDate, 'ddd, DD MMM YYYY HH:mm:ss ZZ', 'en');
                        post.author_link = '';
                        post.author_picture = '';
                        post.author_name = element.author;
                        post.message = Utility.stripHTML(element.title);
                        post.description = Utility.stripHTML(element.content);
                        post.social_network = 'rss';
                        post.link = element.link;
                        if (options.show_media && element.mediaGroups ) {
                            post.attachment = '<img class="attachment" src="' + element.mediaGroups[0].contents[0].url + '" />';
                        }
                        return post;
                    }
                }
            }
        };

        //make the plugin chainable
        return this.each(function() {
            // Initialization
            Feed.init();
            if (options.update_period) {
                setInterval(function() {
                    return Feed.init();
                }, options.update_period);
            }
        })
    };

})(jQuery);
// source --> https://matemnews.com/wp-content/plugins/wp-social-feed/includes/../bower_components/moment/locale/en-ca.js?ver=5.3.2 
// moment.js locale configuration
// locale : canadian english (en-ca)
// author : Jonathan Abourbih : https://github.com/jonbca

(function (factory) {
    if (typeof define === 'function' && define.amd) {
        define(['moment'], factory); // AMD
    } else if (typeof exports === 'object') {
        module.exports = factory(require('../moment')); // Node
    } else {
        factory((typeof global !== 'undefined' ? global : this).moment); // node or other global
    }
}(function (moment) {
    return moment.defineLocale('en-ca', {
        months : 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'),
        monthsShort : 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
        weekdays : 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),
        weekdaysShort : 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
        weekdaysMin : 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
        longDateFormat : {
            LT : 'h:mm A',
            LTS : 'h:mm:ss A',
            L : 'YYYY-MM-DD',
            LL : 'D MMMM, YYYY',
            LLL : 'D MMMM, YYYY LT',
            LLLL : 'dddd, D MMMM, YYYY LT'
        },
        calendar : {
            sameDay : '[Today at] LT',
            nextDay : '[Tomorrow at] LT',
            nextWeek : 'dddd [at] LT',
            lastDay : '[Yesterday at] LT',
            lastWeek : '[Last] dddd [at] LT',
            sameElse : 'L'
        },
        relativeTime : {
            future : 'in %s',
            past : '%s ago',
            s : 'a few seconds',
            m : 'a minute',
            mm : '%d minutes',
            h : 'an hour',
            hh : '%d hours',
            d : 'a day',
            dd : '%d days',
            M : 'a month',
            MM : '%d months',
            y : 'a year',
            yy : '%d years'
        },
        ordinalParse: /\d{1,2}(st|nd|rd|th)/,
        ordinal : function (number) {
            var b = number % 10,
                output = (~~(number % 100 / 10) === 1) ? 'th' :
                (b === 1) ? 'st' :
                (b === 2) ? 'nd' :
                (b === 3) ? 'rd' : 'th';
            return number + output;
        }
    });
}));
// source --> https://matemnews.com/wp-content/plugins/date-and-time-widget/js/widget.js?ver=5.3.2 
function update(widget_id, time_format, date_format) {
  var ampm = " AM";
  var now = new Date();
  var hours = now.getHours();
  var minutes = now.getMinutes();
  var seconds = now.getSeconds();
  var months = new Array("January", "February", "March", "April", "May", "June",
    "July", "August", "September", "October", "November", "December");
  var $date = jQuery("#" + widget_id + " .date");
  var $time = jQuery("#" + widget_id + " .time");

  // Date
  if (date_format != "none") {
    var currentTime = new Date();
    var year = currentTime.getFullYear();
    var month = currentTime.getMonth();
    var day = currentTime.getDate();

    if (date_format == "long") {
      $date.text(months[month] + " " + day + ", " + year);
    }
    else if (date_format == "medium") {
      $date.text(months[month].substring(0, 3) + " " + day + " " + year);
    }
    else if (date_format == "short") {
      $date.text((month + 1) + "/" + day + "/" + year);
    }
    else if (date_format == "european") {
      $date.text(day + "/" + (month + 1) + "/" + year);
    }
  }

  // Time
  if (time_format != "none") {
    if (hours >= 12) {
      ampm = " PM";
    }

    if (minutes <= 9) {
      minutes = "0" + minutes;
    }

    if (seconds <= 9) {
      seconds = "0" + seconds;
    }

    if ((time_format == "12-hour") || (time_format == "12-hour-seconds")) {
      if (hours > 12) {
        hours = hours - 12;
      }

      if (hours === 0) {
        hours = 12;
      }

      if (time_format == "12-hour-seconds") {
        $time.text(hours + ":" + minutes + ":" + seconds + ampm);
      }
      else {
        $time.text(hours + ":" + minutes + ampm);
      }
    }
    else if (time_format == "24-hour-seconds") {
      $time.text(hours + ":" + minutes  + ":" + seconds);
    }
    else {
      $time.text(hours + ":" + minutes);
    }
  }

  // Update clock every second.
  if ((date_format != "none") || (time_format != "none")) {
    setTimeout(function() {
      update(widget_id, time_format, date_format);
    }, 1000);
  }
};