<?php

/**

 * SimplePie

 *

 * A PHP-Based RSS and Atom Feed Framework.

 * Takes the hard work out of managing a complete RSS/Atom solution.

 *

 * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without modification, are

 * permitted provided that the following conditions are met:

 *

 * 	* Redistributions of source code must retain the above copyright notice, this list of

 * 	  conditions and the following disclaimer.

 *

 * 	* Redistributions in binary form must reproduce the above copyright notice, this list

 * 	  of conditions and the following disclaimer in the documentation and/or other materials

 * 	  provided with the distribution.

 *

 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used

 * 	  to endorse or promote products derived from this software without specific prior

 * 	  written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS

 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS

 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 *

 * @package SimplePie

 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue

 * @author Ryan Parman

 * @author Sam Sneddon

 * @author Ryan McCue

 * @link http://simplepie.org/ SimplePie

 * @license http://www.opensource.org/licenses/bsd-license.php BSD License

 */

namespace SimplePie\Parse;

/**

 * Date Parser

 *

 * @package SimplePie

 * @subpackage Parsing

 */

class Date

{

    /**

     * Input data

     *

     * @access protected

     * @var string

     */

    public $date;

    /**

     * List of days, calendar day name => ordinal day number in the week

     *

     * @access protected

     * @var array

     */

    public $day = [

        // English

        'mon' => 1,

        'monday' => 1,

        'tue' => 2,

        'tuesday' => 2,

        'wed' => 3,

        'wednesday' => 3,

        'thu' => 4,

        'thursday' => 4,

        'fri' => 5,

        'friday' => 5,

        'sat' => 6,

        'saturday' => 6,

        'sun' => 7,

        'sunday' => 7,

        // Dutch

        'maandag' => 1,

        'dinsdag' => 2,

        'woensdag' => 3,

        'donderdag' => 4,

        'vrijdag' => 5,

        'zaterdag' => 6,

        'zondag' => 7,

        // French

        'lundi' => 1,

        'mardi' => 2,

        'mercredi' => 3,

        'jeudi' => 4,

        'vendredi' => 5,

        'samedi' => 6,

        'dimanche' => 7,

        // German

        'montag' => 1,

        'mo' => 1,

        'dienstag' => 2,

        'di' => 2,

        'mittwoch' => 3,

        'mi' => 3,

        'donnerstag' => 4,

        'do' => 4,

        'freitag' => 5,

        'fr' => 5,

        'samstag' => 6,

        'sa' => 6,

        'sonnabend' => 6,

        // AFAIK no short form for sonnabend

        'so' => 7,

        'sonntag' => 7,

        // Italian

        'lunedì' => 1,

        'martedì' => 2,

        'mercoledì' => 3,

        'giovedì' => 4,

        'venerdì' => 5,

        'sabato' => 6,

        'domenica' => 7,

        // Spanish

        'lunes' => 1,

        'martes' => 2,

        'miércoles' => 3,

        'jueves' => 4,

        'viernes' => 5,

        'sábado' => 6,

        'domingo' => 7,

        // Finnish

        'maanantai' => 1,

        'tiistai' => 2,

        'keskiviikko' => 3,

        'torstai' => 4,

        'perjantai' => 5,

        'lauantai' => 6,

        'sunnuntai' => 7,

        // Hungarian

        'hétfő' => 1,

        'kedd' => 2,

        'szerda' => 3,

        'csütörtok' => 4,

        'péntek' => 5,

        'szombat' => 6,

        'vasárnap' => 7,

        // Greek

        'Δευ' => 1,

        'Τρι' => 2,

        'Τετ' => 3,

        'Πεμ' => 4,

        'Παρ' => 5,

        'Σαβ' => 6,

        'Κυρ' => 7,

        // Russian

        'Пн.' => 1,

        'Вт.' => 2,

        'Ср.' => 3,

        'Чт.' => 4,

        'Пт.' => 5,

        'Сб.' => 6,

        'Вс.' => 7,

    ];

    /**

     * List of months, calendar month name => calendar month number

     *

     * @access protected

     * @var array

     */

    public $month = [

        // English

        'jan' => 1,

        'january' => 1,

        'feb' => 2,

        'february' => 2,

        'mar' => 3,

        'march' => 3,

        'apr' => 4,

        'april' => 4,

        'may' => 5,

        // No long form of May

        'jun' => 6,

        'june' => 6,

        'jul' => 7,

        'july' => 7,

        'aug' => 8,

        'august' => 8,

        'sep' => 9,

        'september' => 9,

        'oct' => 10,

        'october' => 10,

        'nov' => 11,

        'november' => 11,

        'dec' => 12,

        'december' => 12,

        // Dutch

        'januari' => 1,

        'februari' => 2,

        'maart' => 3,

        'april' => 4,

        'mei' => 5,

        'juni' => 6,

        'juli' => 7,

        'augustus' => 8,

        'september' => 9,

        'oktober' => 10,

        'november' => 11,

        'december' => 12,

        // French

        'janvier' => 1,

        'février' => 2,

        'mars' => 3,

        'avril' => 4,

        'mai' => 5,

        'juin' => 6,

        'juillet' => 7,

        'août' => 8,

        'septembre' => 9,

        'octobre' => 10,

        'novembre' => 11,

        'décembre' => 12,

        // German

        'januar' => 1,

        'jan' => 1,

        'februar' => 2,

        'feb' => 2,

        'märz' => 3,

        'mär' => 3,

        'april' => 4,

        'apr' => 4,

        'mai' => 5, // no short form for may

        'juni' => 6,

        'jun' => 6,

        'juli' => 7,

        'jul' => 7,

        'august' => 8,

        'aug' => 8,

        'september' => 9,

        'sep' => 9,

        'oktober' => 10,

        'okt' => 10,

        'november' => 11,

        'nov' => 11,

        'dezember' => 12,

        'dez' => 12,

        // Italian

        'gennaio' => 1,

        'febbraio' => 2,

        'marzo' => 3,

        'aprile' => 4,

        'maggio' => 5,

        'giugno' => 6,

        'luglio' => 7,

        'agosto' => 8,

        'settembre' => 9,

        'ottobre' => 10,

        'novembre' => 11,

        'dicembre' => 12,

        // Spanish

        'enero' => 1,

        'febrero' => 2,

        'marzo' => 3,

        'abril' => 4,

        'mayo' => 5,

        'junio' => 6,

        'julio' => 7,

        'agosto' => 8,

        'septiembre' => 9,

        'setiembre' => 9,

        'octubre' => 10,

        'noviembre' => 11,

        'diciembre' => 12,

        // Finnish

        'tammikuu' => 1,

        'helmikuu' => 2,

        'maaliskuu' => 3,

        'huhtikuu' => 4,

        'toukokuu' => 5,

        'kesäkuu' => 6,

        'heinäkuu' => 7,

        'elokuu' => 8,

        'suuskuu' => 9,

        'lokakuu' => 10,

        'marras' => 11,

        'joulukuu' => 12,

        // Hungarian

        'január' => 1,

        'február' => 2,

        'március' => 3,

        'április' => 4,

        'május' => 5,

        'június' => 6,

        'július' => 7,

        'augusztus' => 8,

        'szeptember' => 9,

        'október' => 10,

        'november' => 11,

        'december' => 12,

        // Greek

        'Ιαν' => 1,

        'Φεβ' => 2,

        'Μάώ' => 3,

        'Μαώ' => 3,

        'Απρ' => 4,

        'Μάι' => 5,

        'Μαϊ' => 5,

        'Μαι' => 5,

        'Ιούν' => 6,

        'Ιον' => 6,

        'Ιούλ' => 7,

        'Ιολ' => 7,

        'Αύγ' => 8,

        'Αυγ' => 8,

        'Σεπ' => 9,

        'Οκτ' => 10,

        'Νοέ' => 11,

        'Δεκ' => 12,

        // Russian

        'Янв' => 1,

        'января' => 1,

        'Фев' => 2,

        'февраля' => 2,

        'Мар' => 3,

        'марта' => 3,

        'Апр' => 4,

        'апреля' => 4,

        'Май' => 5,

        'мая' => 5,

        'Июн' => 6,

        'июня' => 6,

        'Июл' => 7,

        'июля' => 7,

        'Авг' => 8,

        'августа' => 8,

        'Сен' => 9,

        'сентября' => 9,

        'Окт' => 10,

        'октября' => 10,

        'Ноя' => 11,

        'ноября' => 11,

        'Дек' => 12,

        'декабря' => 12,

    ];

    /**

     * List of timezones, abbreviation => offset from UTC

     *

     * @access protected

     * @var array

     */

    public $timezone = [

        'ACDT' => 37800,

        'ACIT' => 28800,

        'ACST' => 34200,

        'ACT' => -18000,

        'ACWDT' => 35100,

        'ACWST' => 31500,

        'AEDT' => 39600,

        'AEST' => 36000,

        'AFT' => 16200,

        'AKDT' => -28800,

        'AKST' => -32400,

        'AMDT' => 18000,

        'AMT' => -14400,

        'ANAST' => 46800,

        'ANAT' => 43200,

        'ART' => -10800,

        'AZOST' => -3600,

        'AZST' => 18000,

        'AZT' => 14400,

        'BIOT' => 21600,

        'BIT' => -43200,

        'BOT' => -14400,

        'BRST' => -7200,

        'BRT' => -10800,

        'BST' => 3600,

        'BTT' => 21600,

        'CAST' => 18000,

        'CAT' => 7200,

        'CCT' => 23400,

        'CDT' => -18000,

        'CEDT' => 7200,

        'CEST' => 7200,

        'CET' => 3600,

        'CGST' => -7200,

        'CGT' => -10800,

        'CHADT' => 49500,

        'CHAST' => 45900,

        'CIST' => -28800,

        'CKT' => -36000,

        'CLDT' => -10800,

        'CLST' => -14400,

        'COT' => -18000,

        'CST' => -21600,

        'CVT' => -3600,

        'CXT' => 25200,

        'DAVT' => 25200,

        'DTAT' => 36000,

        'EADT' => -18000,

        'EAST' => -21600,

        'EAT' => 10800,

        'ECT' => -18000,

        'EDT' => -14400,

        'EEST' => 10800,

        'EET' => 7200,

        'EGT' => -3600,

        'EKST' => 21600,

        'EST' => -18000,

        'FJT' => 43200,

        'FKDT' => -10800,

        'FKST' => -14400,

        'FNT' => -7200,

        'GALT' => -21600,

        'GEDT' => 14400,

        'GEST' => 10800,

        'GFT' => -10800,

        'GILT' => 43200,

        'GIT' => -32400,

        'GST' => 14400,

        'GST' => -7200,

        'GYT' => -14400,

        'HAA' => -10800,

        'HAC' => -18000,

        'HADT' => -32400,

        'HAE' => -14400,

        'HAP' => -25200,

        'HAR' => -21600,

        'HAST' => -36000,