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/**
 * 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,
        'la