/*
 * More info at: http://phpjs.org
 *
 * This is version: 3.18
 * php.js is copyright 2010 Kevin van Zonneveld.
 *
 * Portions copyright Brett Zamir (http://brett-zamir.me), Kevin van Zonneveld
 * (http://kevin.vanzonneveld.net), Onno Marsman, Theriault, Michael White
 * (http://getsprink.com), Waldo Malqui Silva, Paulo Freitas, Jonas Raoni
 * Soares Silva (http://www.jsfromhell.com), Jack, Philip Peterson, Ates Goral
 * (http://magnetiq.com), Legaev Andrey, Ratheous, Alex, Martijn Wieringa,
 * Nate, lmeyrick (https://sourceforge.net/projects/bcmath-js/), Philippe
 * Baumann, Enrique Gonzalez, Webtoolkit.info (http://www.webtoolkit.info/),
 * Ash Searle (http://hexmen.com/blog/), travc, Jani Hartikainen, Carlos R. L.
 * Rodrigues (http://www.jsfromhell.com), Ole Vrijenhoek, WebDevHobo
 * (http://webdevhobo.blogspot.com/), T.Wild,
 * http://stackoverflow.com/questions/57803/how-to-convert-decimal-to-hex-in-javascript,
 * pilus, GeekFG (http://geekfg.blogspot.com), Rafał Kukawski
 * (http://blog.kukawski.pl), Johnny Mast (http://www.phpvrouwen.nl), Michael
 * Grier, Erkekjetter, d3x, marrtins, Andrea Giammarchi
 * (http://webreflection.blogspot.com), stag019, mdsjack
 * (http://www.mdsjack.bo.it), Chris, Steven Levithan
 * (http://blog.stevenlevithan.com), Arpad Ray (mailto:arpad@php.net), David,
 * Joris, Tim de Koning (http://www.kingsquare.nl), Marc Palau, Michael White,
 * Public Domain (http://www.json.org/json2.js), gettimeofday, felix, Aman
 * Gupta, Pellentesque Malesuada, Thunder.m, Tyler Akins (http://rumkin.com),
 * Karol Kowalski, Felix Geisendoerfer (http://www.debuggable.com/felix),
 * Alfonso Jimenez (http://www.alfonsojimenez.com), Diplom@t
 * (http://difane.com/), majak, Mirek Slugen, Mailfaker
 * (http://www.weedem.fr/), Breaking Par Consulting Inc
 * (http://www.breakingpar.com/bkp/home.nsf/0/87256B280015193F87256CFB006C45F7),
 * Josh Fraser
 * (http://onlineaspect.com/2007/06/08/auto-detect-a-time-zone-with-javascript/),
 * Martin (http://www.erlenwiese.de/), Paul Smith, KELAN, Robin, saulius, AJ,
 * Oleg Eremeev, Steve Hilder, gorthaur, Kankrelune
 * (http://www.webfaktory.info/), Caio Ariede (http://caioariede.com), Lars
 * Fischer, Sakimori, Imgen Tata (http://www.myipdf.com/), uestla, Artur
 * Tchernychev, Wagner B. Soares, Christoph, nord_ua, class_exists, Der Simon
 * (http://innerdom.sourceforge.net/), echo is bad, XoraX
 * (http://www.xorax.info), Ozh, Alan C, Taras Bogach, Brad Touesnard, MeEtc
 * (http://yass.meetcweb.com), Peter-Paul Koch
 * (http://www.quirksmode.org/js/beat.html), T0bsn, Tim Wiel, Bryan Elliott,
 * jpfle, JT, Thomas Beaucourt (http://www.webapp.fr), David Randall, Frank
 * Forte, Eugene Bulkin (http://doubleaw.com/), noname, kenneth, Hyam Singer
 * (http://www.impact-computing.com/), Marco, Raphael (Ao RUDLER), Ole
 * Vrijenhoek (http://www.nervous.nl/), David James, Steve Clay, Jason Wong
 * (http://carrot.org/), T. Wild, Paul, J A R, LH, strcasecmp, strcmp, JB,
 * Daniel Esteban, strftime, madipta, Valentina De Rosa, Marc Jansen,
 * Francesco, Stoyan Kyosev (http://www.svest.org/), metjay, Soren Hansen,
 * 0m3r, Sanjoy Roy, Shingo, sankai, sowberry, hitwork, Rob, Norman "zEh"
 * Fuchs, Subhasis Deb, josh, Yves Sucaet, Ulrich, Scott Baker, ejsanders,
 * Nick Callen, Steven Levithan (stevenlevithan.com), Aidan Lister
 * (http://aidanlister.com/), Philippe Jausions
 * (http://pear.php.net/user/jausions), Zahlii, Denny Wardhana, Oskar Larsson
 * Högfeldt (http://oskar-lh.name/), Brian Tafoya
 * (http://www.premasolutions.com/), johnrembo, Gilbert, duncan, Thiago Mata
 * (http://thiagomata.blog.com), Alexander Ermolaev
 * (http://snippets.dzone.com/user/AlexanderErmolaev), Linuxworld, lmeyrick
 * (https://sourceforge.net/projects/bcmath-js/this.), Jon Hohle, Pyerre,
 * merabi, Saulo Vallory, HKM, ChaosNo1, djmix, Lincoln Ramsay, Adam Wallner
 * (http://web2.bitbaro.hu/), paulo kuong, jmweb, Orlando, kilops, dptr1988,
 * DxGx, Pedro Tainha (http://www.pedrotainha.com), Bayron Guevara, Le Torbi,
 * James, Douglas Crockford (http://javascript.crockford.com), Devan
 * Penner-Woelk, Jay Klehr, Kheang Hok Chin (http://www.distantia.ca/), Luke
 * Smith (http://lucassmith.name), Rival, Amir Habibi
 * (http://www.residence-mixte.com/), Blues (http://tech.bluesmoon.info/), Ben
 * Bryan, booeyOH, Dreamer, Cagri Ekin, Diogo Resende, Howard Yeend, Pul,
 * 3D-GRAF, jakes, Yannoo, Luke Godfrey, daniel airton wermann
 * (http://wermann.com.br), Allan Jensen (http://www.winternet.no), Benjamin
 * Lupton, davook, Atli Þór, Maximusya, Leslie Hoare, Bug?, setcookie, YUI
 * Library: http://developer.yahoo.com/yui/docs/YAHOO.util.DateLocale.html,
 * Blues at http://hacks.bluesmoon.info/strftime/strftime.js, Andreas,
 * Michael, Christian Doebler, Gabriel Paderni, Marco van Oort, Philipp
 * Lenssen, Arnout Kazemier (http://www.3rd-Eden.com), penutbutterjelly, Anton
 * Ongson, DtTvB (http://dt.in.th/2008-09-16.string-length-in-bytes.html),
 * meo, Greenseed, Yen-Wei Liu, mk.keck, William, rem, Jamie Beck
 * (http://www.terabit.ca/), Russell Walker (http://www.nbill.co.uk/),
 * Garagoth, Dino, Andrej Pavlovic, gabriel paderni, FGFEmperor, Scott Cariss,
 * Slawomir Kaniecki, ReverseSyntax, Mateusz "loonquawl" Zalega, Francois,
 * Kirk Strobeck, Billy, vlado houba, Jalal Berrami, date, Itsacon
 * (http://www.itsacon.net/), Martin Pool, Pierre-Luc Paour, ger, john
 * (http://www.jd-tech.net), mktime, Simon Willison
 * (http://simonwillison.net), Nick Kolosov (http://sammy.ru), marc andreu,
 * Arno, Nathan, Kristof Coomans (SCK-CEN Belgian Nucleair Research Centre),
 * Fox, nobbler, stensi, Matteo, Riddler (http://www.frontierwebdev.com/),
 * Tomasz Wesolowski, T.J. Leahy, rezna, Eric Nagel, Alexander M Beedie, baris
 * ozdil, Greg Frazier, Bobby Drake, Ryan W Tenney (http://ryan.10e.us), Tod
 * Gentille, Rafał Kukawski, FremyCompany, Manish, Cord, fearphage
 * (http://http/my.opera.com/fearphage/), Victor, Brant Messenger
 * (http://www.brantmessenger.com/), Matt Bradley, Luis Salazar
 * (http://www.freaky-media.com/), Tim de Koning, taith, Rick Waldron, Mick@el
 *
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL KEVIN VAN ZONNEVELD BE LIABLE FOR ANY CLAIM, DAMAGES
 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
this.strtotime = function(str, now) {
    // http://kevin.vanzonneveld.net
    // +   original by: Caio Ariede (http://caioariede.com)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: David
    // +   improved by: Caio Ariede (http://caioariede.com)
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Wagner B. Soares
    // +   bugfixed by: Artur Tchernychev
    // %        note 1: Examples all have a fixed timestamp to prevent tests to fail because of variable time(zones)
    // *     example 1: strtotime('+1 day', 1129633200);
    // *     returns 1: 1129719600
    // *     example 2: strtotime('+1 week 2 days 4 hours 2 seconds', 1129633200);
    // *     returns 2: 1130425202
    // *     example 3: strtotime('last month', 1129633200);
    // *     returns 3: 1127041200
    // *     example 4: strtotime('2009-05-04 08:30:00');
    // *     returns 4: 1241418600

    var i, match, s, strTmp = '', parse = '';

    strTmp = str;
    strTmp = strTmp.replace(/\s{2,}|^\s|\s$/g, ' '); // unecessary spaces
    strTmp = strTmp.replace(/[    \r\n]/g, ''); // unecessary chars

    if (strTmp == 'now') {
        return (new Date()).getTime()/1000; // Return seconds, not milli-seconds
    } else if (!isNaN(parse = Date.parse(strTmp))) {
        return (parse/1000);
    } else if (now) {
        now = new Date(now*1000); // Accept PHP-style seconds
    } else {
        now = new Date();
    }

    strTmp = strTmp.toLowerCase();

    var __is =
    {
        day:
        {
            'sun': 0,
            'mon': 1,
            'tue': 2,
            'wed': 3,
            'thu': 4,
            'fri': 5,
            'sat': 6
        },
        mon:
        {
            'jan': 0,
            'feb': 1,
            'mar': 2,
            'apr': 3,
            'may': 4,
            'jun': 5,
            'jul': 6,
            'aug': 7,
            'sep': 8,
            'oct': 9,
            'nov': 10,
            'dec': 11
        }
    };

    var process = function (m) {
        var ago = (m[2] && m[2] == 'ago');
        var num = (num = m[0] == 'last' ? -1 : 1) * (ago ? -1 : 1);

        switch (m[0]) {
            case 'last':
            case 'next':
                switch (m[1].substring(0, 3)) {
                    case 'yea':
                        now.setFullYear(now.getFullYear() + num);
                        break;
                    case 'mon':
                        now.setMonth(now.getMonth() + num);
                        break;
                    case 'wee':
                        now.setDate(now.getDate() + (num * 7));
                        break;
                    case 'day':
                        now.setDate(now.getDate() + num);
                        break;
                    case 'hou':
                        now.setHours(now.getHours() + num);
                        break;
                    case 'min':
                        now.setMinutes(now.getMinutes() + num);
                        break;
                    case 'sec':
                        now.setSeconds(now.getSeconds() + num);
                        break;
                    default:
                        var day;
                        if (typeof (day = __is.day[m[1].substring(0, 3)]) != 'undefined') {
                            var diff = day - now.getDay();
                            if (diff == 0) {
                                diff = 7 * num;
                            } else if (diff > 0) {
                                if (m[0] == 'last') {diff -= 7;}
                            } else {
                                if (m[0] == 'next') {diff += 7;}
                            }
                            now.setDate(now.getDate() + diff);
                        }
                }
                break;

            default:
                if (/\d+/.test(m[0])) {
                    num *= parseInt(m[0], 10);

                    switch (m[1].substring(0, 3)) {
                        case 'yea':
                            now.setFullYear(now.getFullYear() + num);
                            break;
                        case 'mon':
                            now.setMonth(now.getMonth() + num);
                            break;
                        case 'wee':
                            now.setDate(now.getDate() + (num * 7));
                            break;
                        case 'day':
                            now.setDate(now.getDate() + num);
                            break;
                        case 'hou':
                            now.setHours(now.getHours() + num);
                            break;
                        case 'min':
                            now.setMinutes(now.getMinutes() + num);
                            break;
                        case 'sec':
                            now.setSeconds(now.getSeconds() + num);
                            break;
                    }
                } else {
                    return false;
                }
                break;
        }
        return true;
    };

    match = strTmp.match(/^(\d{2,4}-\d{2}-\d{2})(?:\s(\d{1,2}:\d{2}(:\d{2})?)?(?:\.(\d+))?)?$/);
    if (match != null) {
        if (!match[2]) {
            match[2] = '00:00:00';
        } else if (!match[3]) {
            match[2] += ':00';
        }

        s = match[1].split(/-/g);

        for (i in __is.mon) {
            if (__is.mon[i] == s[1] - 1) {
                s[1] = i;
            }
        }
        s[0] = parseInt(s[0], 10);

        s[0] = (s[0] >= 0 && s[0] <= 69) ? '20'+(s[0] < 10 ? '0'+s[0] : s[0]+'') : (s[0] >= 70 && s[0] <= 99) ? '19'+s[0] : s[0]+'';
        return parseInt(this.strtotime(s[2] + ' ' + s[1] + ' ' + s[0] + ' ' + match[2])+(match[4] ? match[4]/1000 : ''), 10);
    }

    var regex = '([+-]?\\d+\\s'+
        '(years?|months?|weeks?|days?|hours?|min|minutes?|sec|seconds?'+
        '|sun\\.?|sunday|mon\\.?|monday|tue\\.?|tuesday|wed\\.?|wednesday'+
        '|thu\\.?|thursday|fri\\.?|friday|sat\\.?|saturday)'+
        '|(last|next)\\s'+
        '(years?|months?|weeks?|days?|hours?|min|minutes?|sec|seconds?'+
        '|sun\\.?|sunday|mon\\.?|monday|tue\\.?|tuesday|wed\\.?|wednesday'+
        '|thu\\.?|thursday|fri\\.?|friday|sat\\.?|saturday))'+
        '(\\sago)?';

    match = strTmp.match(new RegExp(regex, 'gi')); // Brett: seems should be case insensitive per docs, so added 'i'
    if (match == null) {
        return false;
    }

    for (i = 0; i < match.length; i++) {
        if (!process(match[i].split(' '))) {
            return false;
        }
    }

    return (now.getTime()/1000);
}