966 lines
25 KiB
PHP
966 lines
25 KiB
PHP
<?php
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// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue
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// SPDX-License-Identifier: BSD-3-Clause
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declare(strict_types=1);
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namespace SimplePie\Parse;
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/**
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* Date Parser
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*/
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class Date
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{
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/**
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* Input data
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*
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* @access protected
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* @var string
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*/
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public $date;
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/**
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* List of days, calendar day name => ordinal day number in the week
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*
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* @access protected
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* @var array<string, int<1,7>>
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*/
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public $day = [
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// English
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'mon' => 1,
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'monday' => 1,
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'tue' => 2,
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'tuesday' => 2,
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'wed' => 3,
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'wednesday' => 3,
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'thu' => 4,
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'thursday' => 4,
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'fri' => 5,
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'friday' => 5,
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'sat' => 6,
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'saturday' => 6,
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'sun' => 7,
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'sunday' => 7,
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// Dutch
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'maandag' => 1,
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'dinsdag' => 2,
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'woensdag' => 3,
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'donderdag' => 4,
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'vrijdag' => 5,
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'zaterdag' => 6,
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'zondag' => 7,
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// French
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'lundi' => 1,
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'mardi' => 2,
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'mercredi' => 3,
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'jeudi' => 4,
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'vendredi' => 5,
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'samedi' => 6,
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'dimanche' => 7,
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// German
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'montag' => 1,
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'mo' => 1,
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'dienstag' => 2,
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'di' => 2,
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'mittwoch' => 3,
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'mi' => 3,
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'donnerstag' => 4,
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'do' => 4,
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'freitag' => 5,
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'fr' => 5,
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'samstag' => 6,
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'sa' => 6,
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'sonnabend' => 6,
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// AFAIK no short form for sonnabend
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'so' => 7,
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'sonntag' => 7,
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// Italian
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'lunedì' => 1,
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'martedì' => 2,
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'mercoledì' => 3,
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'giovedì' => 4,
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'venerdì' => 5,
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'sabato' => 6,
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'domenica' => 7,
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// Spanish
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'lunes' => 1,
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'martes' => 2,
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'miércoles' => 3,
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'jueves' => 4,
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'viernes' => 5,
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'sábado' => 6,
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'domingo' => 7,
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// Finnish
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'maanantai' => 1,
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'tiistai' => 2,
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'keskiviikko' => 3,
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'torstai' => 4,
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'perjantai' => 5,
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'lauantai' => 6,
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'sunnuntai' => 7,
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// Hungarian
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'hétfő' => 1,
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'kedd' => 2,
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'szerda' => 3,
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'csütörtok' => 4,
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'péntek' => 5,
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'szombat' => 6,
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'vasárnap' => 7,
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// Greek
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'Δευ' => 1,
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'Τρι' => 2,
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'Τετ' => 3,
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'Πεμ' => 4,
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'Παρ' => 5,
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'Σαβ' => 6,
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'Κυρ' => 7,
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// Russian
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'Пн.' => 1,
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'Вт.' => 2,
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'Ср.' => 3,
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'Чт.' => 4,
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'Пт.' => 5,
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'Сб.' => 6,
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'Вс.' => 7,
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];
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/**
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* List of months, calendar month name => calendar month number
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*
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* @access protected
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* @var array<string, int<1,12>>
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*/
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public $month = [
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// English
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'jan' => 1,
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'january' => 1,
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'feb' => 2,
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'february' => 2,
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'mar' => 3,
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'march' => 3,
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'apr' => 4,
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'april' => 4,
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'may' => 5,
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// No long form of May
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'jun' => 6,
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'june' => 6,
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'jul' => 7,
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'july' => 7,
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'aug' => 8,
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'august' => 8,
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'sep' => 9,
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'september' => 9,
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'oct' => 10,
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'october' => 10,
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'nov' => 11,
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'november' => 11,
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'dec' => 12,
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'december' => 12,
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// Dutch
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'januari' => 1,
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'februari' => 2,
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'maart' => 3,
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// 'april' => 4,
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'mei' => 5,
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'juni' => 6,
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'juli' => 7,
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'augustus' => 8,
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// 'september' => 9,
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'oktober' => 10,
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// 'november' => 11,
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// 'december' => 12,
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// French
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'janvier' => 1,
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'février' => 2,
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'mars' => 3,
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'avril' => 4,
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'mai' => 5,
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'juin' => 6,
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'juillet' => 7,
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'août' => 8,
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'septembre' => 9,
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'octobre' => 10,
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'novembre' => 11,
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'décembre' => 12,
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// German
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'januar' => 1,
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// 'jan' => 1,
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'februar' => 2,
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// 'feb' => 2,
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'märz' => 3,
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'mär' => 3,
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// 'april' => 4,
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// 'apr' => 4,
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// 'mai' => 5, // no short form for may
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// 'juni' => 6,
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// 'jun' => 6,
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// 'juli' => 7,
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// 'jul' => 7,
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// 'august' => 8,
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// 'aug' => 8,
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// 'september' => 9,
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// 'sep' => 9,
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// 'oktober' => 10,
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'okt' => 10,
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// 'november' => 11,
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// 'nov' => 11,
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'dezember' => 12,
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'dez' => 12,
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// Italian
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'gennaio' => 1,
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'febbraio' => 2,
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'marzo' => 3,
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'aprile' => 4,
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'maggio' => 5,
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'giugno' => 6,
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'luglio' => 7,
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'agosto' => 8,
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'settembre' => 9,
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'ottobre' => 10,
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// 'novembre' => 11,
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'dicembre' => 12,
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// Spanish
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'enero' => 1,
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'febrero' => 2,
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// 'marzo' => 3,
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'abril' => 4,
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'mayo' => 5,
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'junio' => 6,
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'julio' => 7,
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// 'agosto' => 8,
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'septiembre' => 9,
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'setiembre' => 9,
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'octubre' => 10,
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'noviembre' => 11,
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'diciembre' => 12,
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// Finnish
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'tammikuu' => 1,
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'helmikuu' => 2,
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'maaliskuu' => 3,
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'huhtikuu' => 4,
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'toukokuu' => 5,
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'kesäkuu' => 6,
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'heinäkuu' => 7,
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'elokuu' => 8,
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'suuskuu' => 9,
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'lokakuu' => 10,
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'marras' => 11,
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'joulukuu' => 12,
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// Hungarian
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'január' => 1,
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'február' => 2,
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'március' => 3,
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'április' => 4,
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'május' => 5,
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'június' => 6,
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'július' => 7,
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'augusztus' => 8,
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'szeptember' => 9,
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'október' => 10,
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// 'november' => 11,
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// 'december' => 12,
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// Greek
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'Ιαν' => 1,
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'Φεβ' => 2,
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'Μάώ' => 3,
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'Μαώ' => 3,
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'Απρ' => 4,
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'Μάι' => 5,
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'Μαϊ' => 5,
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'Μαι' => 5,
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'Ιούν' => 6,
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'Ιον' => 6,
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'Ιούλ' => 7,
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'Ιολ' => 7,
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'Αύγ' => 8,
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'Αυγ' => 8,
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'Σεπ' => 9,
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'Οκτ' => 10,
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'Νοέ' => 11,
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'Δεκ' => 12,
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// Russian
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'Янв' => 1,
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'января' => 1,
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'Фев' => 2,
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'февраля' => 2,
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'Мар' => 3,
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'марта' => 3,
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'Апр' => 4,
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'апреля' => 4,
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'Май' => 5,
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'мая' => 5,
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'Июн' => 6,
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'июня' => 6,
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'Июл' => 7,
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'июля' => 7,
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'Авг' => 8,
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'августа' => 8,
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'Сен' => 9,
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'сентября' => 9,
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'Окт' => 10,
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'октября' => 10,
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'Ноя' => 11,
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'ноября' => 11,
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'Дек' => 12,
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'декабря' => 12,
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];
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/**
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* List of timezones, abbreviation => offset from UTC
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*
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* @access protected
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* @var array<string, int>
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*/
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public $timezone = [
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'ACDT' => 37800,
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'ACIT' => 28800,
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'ACST' => 34200,
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'ACT' => -18000,
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'ACWDT' => 35100,
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'ACWST' => 31500,
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'AEDT' => 39600,
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'AEST' => 36000,
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'AFT' => 16200,
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'AKDT' => -28800,
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'AKST' => -32400,
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'AMDT' => 18000,
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'AMT' => -14400,
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'ANAST' => 46800,
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'ANAT' => 43200,
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'ART' => -10800,
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'AZOST' => -3600,
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'AZST' => 18000,
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'AZT' => 14400,
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'BIOT' => 21600,
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'BIT' => -43200,
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'BOT' => -14400,
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'BRST' => -7200,
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'BRT' => -10800,
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'BST' => 3600,
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'BTT' => 21600,
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'CAST' => 18000,
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'CAT' => 7200,
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'CCT' => 23400,
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'CDT' => -18000,
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'CEDT' => 7200,
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'CEST' => 7200,
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'CET' => 3600,
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'CGST' => -7200,
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'CGT' => -10800,
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'CHADT' => 49500,
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'CHAST' => 45900,
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'CIST' => -28800,
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'CKT' => -36000,
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'CLDT' => -10800,
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'CLST' => -14400,
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'COT' => -18000,
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'CST' => -21600,
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'CVT' => -3600,
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'CXT' => 25200,
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'DAVT' => 25200,
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'DTAT' => 36000,
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'EADT' => -18000,
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'EAST' => -21600,
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'EAT' => 10800,
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'ECT' => -18000,
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'EDT' => -14400,
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'EEST' => 10800,
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'EET' => 7200,
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'EGT' => -3600,
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'EKST' => 21600,
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'EST' => -18000,
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'FJT' => 43200,
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'FKDT' => -10800,
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'FKST' => -14400,
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'FNT' => -7200,
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'GALT' => -21600,
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'GEDT' => 14400,
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'GEST' => 10800,
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'GFT' => -10800,
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'GILT' => 43200,
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'GIT' => -32400,
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'GST' => 14400,
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// 'GST' => -7200,
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'GYT' => -14400,
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'HAA' => -10800,
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'HAC' => -18000,
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'HADT' => -32400,
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'HAE' => -14400,
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'HAP' => -25200,
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'HAR' => -21600,
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'HAST' => -36000,
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'HAT' => -9000,
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'HAY' => -28800,
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'HKST' => 28800,
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'HMT' => 18000,
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'HNA' => -14400,
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'HNC' => -21600,
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'HNE' => -18000,
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'HNP' => -28800,
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'HNR' => -25200,
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'HNT' => -12600,
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'HNY' => -32400,
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'IRDT' => 16200,
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'IRKST' => 32400,
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'IRKT' => 28800,
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'IRST' => 12600,
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'JFDT' => -10800,
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'JFST' => -14400,
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'JST' => 32400,
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'KGST' => 21600,
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'KGT' => 18000,
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'KOST' => 39600,
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'KOVST' => 28800,
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'KOVT' => 25200,
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'KRAST' => 28800,
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'KRAT' => 25200,
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'KST' => 32400,
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'LHDT' => 39600,
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'LHST' => 37800,
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'LINT' => 50400,
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'LKT' => 21600,
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'MAGST' => 43200,
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'MAGT' => 39600,
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'MAWT' => 21600,
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'MDT' => -21600,
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'MESZ' => 7200,
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'MEZ' => 3600,
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'MHT' => 43200,
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'MIT' => -34200,
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'MNST' => 32400,
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'MSDT' => 14400,
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'MSST' => 10800,
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'MST' => -25200,
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'MUT' => 14400,
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'MVT' => 18000,
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'MYT' => 28800,
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'NCT' => 39600,
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'NDT' => -9000,
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'NFT' => 41400,
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'NMIT' => 36000,
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'NOVST' => 25200,
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'NOVT' => 21600,
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'NPT' => 20700,
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'NRT' => 43200,
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'NST' => -12600,
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'NUT' => -39600,
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'NZDT' => 46800,
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'NZST' => 43200,
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'OMSST' => 25200,
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'OMST' => 21600,
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'PDT' => -25200,
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'PET' => -18000,
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'PETST' => 46800,
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'PETT' => 43200,
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'PGT' => 36000,
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'PHOT' => 46800,
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'PHT' => 28800,
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'PKT' => 18000,
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'PMDT' => -7200,
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'PMST' => -10800,
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'PONT' => 39600,
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'PST' => -28800,
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'PWT' => 32400,
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'PYST' => -10800,
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'PYT' => -14400,
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'RET' => 14400,
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'ROTT' => -10800,
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'SAMST' => 18000,
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'SAMT' => 14400,
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'SAST' => 7200,
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'SBT' => 39600,
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'SCDT' => 46800,
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'SCST' => 43200,
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'SCT' => 14400,
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'SEST' => 3600,
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'SGT' => 28800,
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'SIT' => 28800,
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'SRT' => -10800,
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'SST' => -39600,
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'SYST' => 10800,
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'SYT' => 7200,
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'TFT' => 18000,
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'THAT' => -36000,
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|
'TJT' => 18000,
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'TKT' => -36000,
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'TMT' => 18000,
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|
'TOT' => 46800,
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'TPT' => 32400,
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|
'TRUT' => 36000,
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'TVT' => 43200,
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'TWT' => 28800,
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|
'UYST' => -7200,
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'UYT' => -10800,
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'UZT' => 18000,
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'VET' => -14400,
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'VLAST' => 39600,
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'VLAT' => 36000,
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'VOST' => 21600,
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'VUT' => 39600,
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'WAST' => 7200,
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'WAT' => 3600,
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'WDT' => 32400,
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'WEST' => 3600,
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'WFT' => 43200,
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'WIB' => 25200,
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'WIT' => 32400,
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'WITA' => 28800,
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'WKST' => 18000,
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'WST' => 28800,
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'YAKST' => 36000,
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'YAKT' => 32400,
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'YAPT' => 36000,
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'YEKST' => 21600,
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'YEKT' => 18000,
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];
|
|
|
|
/**
|
|
* Cached PCRE for Date::$day
|
|
*
|
|
* @access protected
|
|
* @var string
|
|
*/
|
|
public $day_pcre;
|
|
|
|
/**
|
|
* Cached PCRE for Date::$month
|
|
*
|
|
* @access protected
|
|
* @var string
|
|
*/
|
|
public $month_pcre;
|
|
|
|
/**
|
|
* Array of user-added callback methods
|
|
*
|
|
* @access private
|
|
* @var array<string>
|
|
*/
|
|
public $built_in = [];
|
|
|
|
/**
|
|
* Array of user-added callback methods
|
|
*
|
|
* @access private
|
|
* @var array<callable(string): (int|false)>
|
|
*/
|
|
public $user = [];
|
|
|
|
/**
|
|
* Create new Date object, and set self::day_pcre,
|
|
* self::month_pcre, and self::built_in
|
|
*
|
|
* @access private
|
|
*/
|
|
public function __construct()
|
|
{
|
|
$this->day_pcre = '(' . implode('|', array_keys($this->day)) . ')';
|
|
$this->month_pcre = '(' . implode('|', array_keys($this->month)) . ')';
|
|
|
|
static $cache;
|
|
if (!isset($cache[get_class($this)])) {
|
|
$all_methods = get_class_methods($this);
|
|
|
|
foreach ($all_methods as $method) {
|
|
if (strtolower(substr($method, 0, 5)) === 'date_') {
|
|
$cache[get_class($this)][] = $method;
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach ($cache[get_class($this)] as $method) {
|
|
$this->built_in[] = $method;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the object
|
|
*
|
|
* @access public
|
|
* @return Date
|
|
*/
|
|
public static function get()
|
|
{
|
|
static $object;
|
|
if (!$object) {
|
|
$object = new Date();
|
|
}
|
|
return $object;
|
|
}
|
|
|
|
/**
|
|
* Parse a date
|
|
*
|
|
* @final
|
|
* @access public
|
|
* @param string $date Date to parse
|
|
* @return int|false Timestamp corresponding to date string, or false on failure
|
|
*/
|
|
public function parse(string $date)
|
|
{
|
|
foreach ($this->user as $method) {
|
|
if (($returned = call_user_func($method, $date)) !== false) {
|
|
return (int) $returned;
|
|
}
|
|
}
|
|
|
|
foreach ($this->built_in as $method) {
|
|
// TODO: we should really check this in constructor but that would require private properties.
|
|
/** @var callable(string): (int|false) */
|
|
$callable = [$this, $method];
|
|
if (($returned = call_user_func($callable, $date)) !== false) {
|
|
return $returned;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Add a callback method to parse a date
|
|
*
|
|
* @final
|
|
* @access public
|
|
* @param callable $callback
|
|
* @return void
|
|
*/
|
|
public function add_callback(callable $callback)
|
|
{
|
|
$this->user[] = $callback;
|
|
}
|
|
|
|
/**
|
|
* Parse a superset of W3C-DTF (allows hyphens and colons to be omitted, as
|
|
* well as allowing any of upper or lower case "T", horizontal tabs, or
|
|
* spaces to be used as the time separator (including more than one))
|
|
*
|
|
* @access protected
|
|
* @param string $date
|
|
* @return int|false Timestamp
|
|
*/
|
|
public function date_w3cdtf(string $date)
|
|
{
|
|
$pcre = <<<'PCRE'
|
|
/
|
|
^
|
|
(?P<year>[0-9]{4})
|
|
(?:
|
|
-?
|
|
(?P<month>[0-9]{2})
|
|
(?:
|
|
-?
|
|
(?P<day>[0-9]{2})
|
|
(?:
|
|
[Tt\x09\x20]+
|
|
(?P<hour>[0-9]{2})
|
|
(?:
|
|
:?
|
|
(?P<minute>[0-9]{2})
|
|
(?:
|
|
:?
|
|
(?P<second>[0-9]{2})
|
|
(?:
|
|
.
|
|
(?P<second_fraction>[0-9]*)
|
|
)?
|
|
)?
|
|
)?
|
|
(?:
|
|
(?P<zulu>Z)
|
|
| (?P<tz_sign>[+\-])
|
|
(?P<tz_hour>[0-9]{1,2})
|
|
:?
|
|
(?P<tz_minute>[0-9]{1,2})
|
|
)
|
|
)?
|
|
)?
|
|
)?
|
|
$
|
|
/x
|
|
PCRE;
|
|
if (preg_match($pcre, $date, $match)) {
|
|
// Fill in empty matches and convert to proper types.
|
|
$year = (int) $match['year'];
|
|
$month = isset($match['month']) ? (int) $match['month'] : 1;
|
|
$day = isset($match['day']) ? (int) $match['day'] : 1;
|
|
$hour = isset($match['hour']) ? (int) $match['hour'] : 0;
|
|
$minute = isset($match['minute']) ? (int) $match['minute'] : 0;
|
|
$second = isset($match['second']) ? (int) $match['second'] : 0;
|
|
$second_fraction = isset($match['second_fraction']) ? ((int) $match['second_fraction']) / (10 ** strlen($match['second_fraction'])) : 0;
|
|
$tz_sign = ($match['tz_sign'] ?? '') === '-' ? -1 : 1;
|
|
$tz_hour = isset($match['tz_hour']) ? (int) $match['tz_hour'] : 0;
|
|
$tz_minute = isset($match['tz_minute']) ? (int) $match['tz_minute'] : 0;
|
|
|
|
// Numeric timezone
|
|
$timezone = $tz_hour * 3600;
|
|
$timezone += $tz_minute * 60;
|
|
$timezone *= $tz_sign;
|
|
|
|
// Convert the number of seconds to an integer, taking decimals into account
|
|
$second = (int) round($second + $second_fraction);
|
|
|
|
return gmmktime($hour, $minute, $second, $month, $day, $year) - $timezone;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Remove RFC822 comments
|
|
*
|
|
* @access protected
|
|
* @param string $string Data to strip comments from
|
|
* @return string Comment stripped string
|
|
*/
|
|
public function remove_rfc2822_comments(string $string)
|
|
{
|
|
$position = 0;
|
|
$length = strlen($string);
|
|
$depth = 0;
|
|
|
|
$output = '';
|
|
|
|
while ($position < $length && ($pos = strpos($string, '(', $position)) !== false) {
|
|
$output .= substr($string, $position, $pos - $position);
|
|
$position = $pos + 1;
|
|
if ($pos === 0 || $string[$pos - 1] !== '\\') {
|
|
$depth++;
|
|
while ($depth && $position < $length) {
|
|
$position += strcspn($string, '()', $position);
|
|
if ($string[$position - 1] === '\\') {
|
|
$position++;
|
|
continue;
|
|
} elseif (isset($string[$position])) {
|
|
switch ($string[$position]) {
|
|
case '(':
|
|
$depth++;
|
|
break;
|
|
|
|
case ')':
|
|
$depth--;
|
|
break;
|
|
}
|
|
$position++;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
$output .= '(';
|
|
}
|
|
}
|
|
$output .= substr($string, $position);
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Parse RFC2822's date format
|
|
*
|
|
* @access protected
|
|
* @param string $date
|
|
* @return int|false Timestamp
|
|
*/
|
|
public function date_rfc2822(string $date)
|
|
{
|
|
static $pcre;
|
|
if (!$pcre) {
|
|
$wsp = '[\x09\x20]';
|
|
$fws = '(?:' . $wsp . '+|' . $wsp . '*(?:\x0D\x0A' . $wsp . '+)+)';
|
|
$optional_fws = $fws . '?';
|
|
$day_name = $this->day_pcre;
|
|
$month = $this->month_pcre;
|
|
$day = '([0-9]{1,2})';
|
|
$hour = $minute = $second = '([0-9]{2})';
|
|
$year = '([0-9]{2,4})';
|
|
$num_zone = '([+\-])([0-9]{2})([0-9]{2})';
|
|
$character_zone = '([A-Z]{1,5})';
|
|
$zone = '(?:' . $num_zone . '|' . $character_zone . ')';
|
|
$pcre = '/(?:' . $optional_fws . $day_name . $optional_fws . ',)?' . $optional_fws . $day . $fws . $month . $fws . $year . $fws . $hour . $optional_fws . ':' . $optional_fws . $minute . '(?:' . $optional_fws . ':' . $optional_fws . $second . ')?' . $fws . $zone . '/i';
|
|
}
|
|
if (preg_match($pcre, $this->remove_rfc2822_comments($date), $match)) {
|
|
/*
|
|
Capturing subpatterns:
|
|
1: Day name
|
|
2: Day
|
|
3: Month
|
|
4: Year
|
|
5: Hour
|
|
6: Minute
|
|
7: Second
|
|
8: Timezone ±
|
|
9: Timezone hours
|
|
10: Timezone minutes
|
|
11: Alphabetic timezone
|
|
*/
|
|
|
|
$day = (int) $match[2];
|
|
// Find the month number
|
|
$month = $this->month[strtolower($match[3])];
|
|
$year = (int) $match[4];
|
|
$hour = (int) $match[5];
|
|
$minute = (int) $match[6];
|
|
// Second is optional, if it is empty set it to zero
|
|
$second = (int) $match[7];
|
|
|
|
$tz_sign = $match[8];
|
|
$tz_hour = (int) $match[9];
|
|
$tz_minute = (int) $match[10];
|
|
$tz_code = isset($match[11]) ? strtoupper($match[11]) : '';
|
|
|
|
// Numeric timezone
|
|
if ($tz_sign !== '') {
|
|
$timezone = $tz_hour * 3600;
|
|
$timezone += $tz_minute * 60;
|
|
if ($tz_sign === '-') {
|
|
$timezone = 0 - $timezone;
|
|
}
|
|
}
|
|
// Character timezone
|
|
elseif (isset($this->timezone[$tz_code])) {
|
|
$timezone = $this->timezone[$tz_code];
|
|
}
|
|
// Assume everything else to be -0000
|
|
else {
|
|
$timezone = 0;
|
|
}
|
|
|
|
// Deal with 2/3 digit years
|
|
if ($year < 50) {
|
|
$year += 2000;
|
|
} elseif ($year < 1000) {
|
|
$year += 1900;
|
|
}
|
|
|
|
return gmmktime($hour, $minute, $second, $month, $day, $year) - $timezone;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Parse RFC850's date format
|
|
*
|
|
* @access protected
|
|
* @param string $date
|
|
* @return int|false Timestamp
|
|
*/
|
|
public function date_rfc850(string $date)
|
|
{
|
|
static $pcre;
|
|
if (!$pcre) {
|
|
$space = '[\x09\x20]+';
|
|
$day_name = $this->day_pcre;
|
|
$month = $this->month_pcre;
|
|
$day = '([0-9]{1,2})';
|
|
$year = $hour = $minute = $second = '([0-9]{2})';
|
|
$zone = '([A-Z]{1,5})';
|
|
$pcre = '/^' . $day_name . ',' . $space . $day . '-' . $month . '-' . $year . $space . $hour . ':' . $minute . ':' . $second . $space . $zone . '$/i';
|
|
}
|
|
if (preg_match($pcre, $date, $match)) {
|
|
/*
|
|
Capturing subpatterns:
|
|
1: Day name
|
|
2: Day
|
|
3: Month
|
|
4: Year
|
|
5: Hour
|
|
6: Minute
|
|
7: Second
|
|
8: Timezone
|
|
*/
|
|
|
|
$day = (int) $match[2];
|
|
// Month
|
|
$month = $this->month[strtolower($match[3])];
|
|
$year = (int) $match[4];
|
|
$hour = (int) $match[5];
|
|
$minute = (int) $match[6];
|
|
// Second is optional, if it is empty set it to zero
|
|
$second = (int) $match[7];
|
|
|
|
$tz_code = strtoupper($match[8]);
|
|
|
|
// Character timezone
|
|
if (isset($this->timezone[$tz_code])) {
|
|
$timezone = $this->timezone[$tz_code];
|
|
}
|
|
// Assume everything else to be -0000
|
|
else {
|
|
$timezone = 0;
|
|
}
|
|
|
|
// Deal with 2 digit year
|
|
if ($year < 50) {
|
|
$year += 2000;
|
|
} else {
|
|
$year += 1900;
|
|
}
|
|
|
|
return gmmktime($hour, $minute, $second, $month, $day, $year) - $timezone;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Parse C99's asctime()'s date format
|
|
*
|
|
* @access protected
|
|
* @param string $date
|
|
* @return int|false Timestamp
|
|
*/
|
|
public function date_asctime(string $date)
|
|
{
|
|
static $pcre;
|
|
if (!$pcre) {
|
|
$space = '[\x09\x20]+';
|
|
$wday_name = $this->day_pcre;
|
|
$mon_name = $this->month_pcre;
|
|
$day = '([0-9]{1,2})';
|
|
$hour = $sec = $min = '([0-9]{2})';
|
|
$year = '([0-9]{4})';
|
|
$terminator = '\x0A?\x00?';
|
|
$pcre = '/^' . $wday_name . $space . $mon_name . $space . $day . $space . $hour . ':' . $min . ':' . $sec . $space . $year . $terminator . '$/i';
|
|
}
|
|
if (preg_match($pcre, $date, $match)) {
|
|
/*
|
|
Capturing subpatterns:
|
|
1: Day name
|
|
2: Month
|
|
3: Day
|
|
4: Hour
|
|
5: Minute
|
|
6: Second
|
|
7: Year
|
|
*/
|
|
|
|
$month = $this->month[strtolower($match[2])];
|
|
return gmmktime((int) $match[4], (int) $match[5], (int) $match[6], $month, (int) $match[3], (int) $match[7]);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Parse dates using strtotime()
|
|
*
|
|
* @access protected
|
|
* @param string $date
|
|
* @return int|false Timestamp
|
|
*/
|
|
public function date_strtotime(string $date)
|
|
{
|
|
$strtotime = strtotime($date);
|
|
if ($strtotime === -1 || $strtotime === false) {
|
|
return false;
|
|
}
|
|
|
|
return $strtotime;
|
|
}
|
|
}
|
|
|
|
class_alias('SimplePie\Parse\Date', 'SimplePie_Parse_Date');
|