<?php

/**

 * SimplePie

 *

 * A PHP-Based RSS and Atom Feed Framework.

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

 *

 * Copyright (c) 2004-2012, Ryan Parman, Geoffrey 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

 * @version 1.3.1

 * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue

 * @author Ryan Parman

 * @author Geoffrey Sneddon

 * @author Ryan McCue

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

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

 */

/**

 * Date Parser

 *

 * @package SimplePie

 * @subpackage Parsing

 */

class SimplePie_Parse_Date

{

	/**

	 * Input data

	 *

	 * @access protected

	 * @var string

	 */

	var $date;

	/**

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

	 *

	 * @access protected

	 * @var array

	 */

	var $day = array(

		// 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,

		'dienstag' => 2,

		'mittwoch' => 3,

		'donnerstag' => 4,

		'freitag' => 5,

		'samstag' => 6,

		'sonnabend' => 6,

		'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,

	);

	/**

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

	 *

	 * @access protected

	 * @var array

	 */

	var $month = array(

		// 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' => 8,

		'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,

		'februar' => 2,

		'märz' => 3,

		'april' => 4,

		'mai' => 5,

		'juni' => 6,

		'juli' => 7,

		'august' => 8,

		'september' => 9,

		'oktober' => 10,

		'november' => 11,

		'dezember' => 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,

	);

	/**

	 * List of timezones, abbreviation => offset from UTC

	 *

	 * @access protected

	 * @var array

	 */

	var $timezone = array(

		'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,

		'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,

		'HAT' => -9000,

		'HAY' => -28800,

		'HKST' => 28800,

		'HMT' => 18000,

		'HNA' => -14400,

		'HNC' => -21600,

		'HNE' => -18000,

		'HNP' => -28800,

		'HNR' => -25200,

		'HNT' => -12600,

		'HNY' => -32400,

		'IRDT' => 16200,

		'IRKST' => 32400,

		'IRKT' => 28800,

		'IRST' => 12600,

		'JFDT' => -10800,

		'JFST' => -14400,

		'JST' => 32400,

		'KGST' => 21600,

		'KGT' => 18000,

		'KOST' => 39600,

		'KOVST' => 28800,

		'KOVT' => 25200,

		'KRAST' => 28800,

		'KRAT' => 25200,

		'KST' => 32400,

		'LHDT' => 39600,

		'LHST' => 37800,

		'LINT' => 50400,

		'LKT' => 21600,

		'MAGST' => 43200,

		'MAGT' => 39600,

		'MAWT' => 21600,

		'MDT' => -21600,

		'MESZ' => 7200,

		'MEZ' => 3600,

		'MHT' => 43200,

		'MIT' => -34200,

		'MNST' => 32400,

		'MSDT' => 14400,

		'MSST' => 10800,

		'MST' => -25200,

		'MUT' => 14400,

		'MVT' => 18000,

		'MYT' => 28800,

		'NCT' => 39600,

		'NDT' => -9000,

		'NFT' => 41400,

		'NMIT' => 36000,

		'NOVST' => 25200,

		'NOVT' => 21600,