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<?php |
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/** |
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* webtrees: online genealogy |
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* Copyright (C) 2017 webtrees development team |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace Fisharebest\Webtrees; |
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use Fisharebest\ExtCalendar\GregorianCalendar; |
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use Fisharebest\Webtrees\Date\CalendarDate; |
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use Fisharebest\Webtrees\Date\FrenchDate; |
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use Fisharebest\Webtrees\Date\GregorianDate; |
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use Fisharebest\Webtrees\Date\HijriDate; |
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use Fisharebest\Webtrees\Date\JalaliDate; |
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use Fisharebest\Webtrees\Date\JewishDate; |
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use Fisharebest\Webtrees\Date\JulianDate; |
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use Fisharebest\Webtrees\Date\RomanDate; |
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/** |
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* A representation of GEDCOM dates and date ranges. |
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* |
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* Since different calendars start their days at different times, (civil |
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* midnight, solar midnight, sunset, sunrise, etc.), we convert on the basis of |
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* midday. |
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* |
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* We assume that years start on the first day of the first month. Where |
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* this is not the case (e.g. England prior to 1752), we need to use modified |
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* years or the OS/NS notation "4 FEB 1750/51". |
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*/ |
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class Date { |
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/** @var string Optional qualifier, such as BEF, FROM, ABT */ |
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public $qual1; |
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/** @var CalendarDate The first (or only) date */ |
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private $date1; |
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/** @var string Optional qualifier, such as TO, AND*/ |
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public $qual2; |
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/** @var CalendarDate Optional second date */ |
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private $date2; |
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/** @var string ptional text, as included with an INTerpreted date */ |
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private $text; |
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/** |
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* Create a date, from GEDCOM data. |
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* |
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* @param string $date A date in GEDCOM format |
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*/ |
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public function __construct($date) { |
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// Extract any explanatory text |
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if (preg_match('/^(.*) ?[(](.*)[)]/', $date, $match)) { |
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$date = $match[1]; |
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$this->text = $match[2]; |
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} |
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if (preg_match('/^(FROM|BET) (.+) (AND|TO) (.+)/', $date, $match)) { |
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$this->qual1 = $match[1]; |
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$this->date1 = $this->parseDate($match[2]); |
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$this->qual2 = $match[3]; |
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$this->date2 = $this->parseDate($match[4]); |
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} elseif (preg_match('/^(TO|FROM|BEF|AFT|CAL|EST|INT|ABT) (.+)/', $date, $match)) { |
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$this->qual1 = $match[1]; |
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$this->date1 = $this->parseDate($match[2]); |
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} else { |
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$this->date1 = $this->parseDate($date); |
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} |
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} |
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/** |
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* When we copy a date object, we need to create copies of |
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* its child objects. |
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*/ |
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public function __clone() { |
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$this->date1 = clone $this->date1; |
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if (is_object($this->date2)) { |
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$this->date2 = clone $this->date2; |
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} |
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} |
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/** |
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* Convert a calendar date, such as "12 JUN 1943" into calendar date object. |
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* |
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* A GEDCOM date range may have two calendar dates. |
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* |
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* @param string $date |
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* |
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* @throws \DomainException |
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* |
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* @return CalendarDate |
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*/ |
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private function parseDate($date) { |
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// Valid calendar escape specified? - use it |
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if (preg_match('/^(@#D(?:GREGORIAN|JULIAN|HEBREW|HIJRI|JALALI|FRENCH R|ROMAN)+@) ?(.*)/', $date, $match)) { |
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$cal = $match[1]; |
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$date = $match[2]; |
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} else { |
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$cal = ''; |
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} |
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// A date with a month: DM, M, MY or DMY |
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if (preg_match('/^(\d?\d?) ?(JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC|TSH|CSH|KSL|TVT|SHV|ADR|ADS|NSN|IYR|SVN|TMZ|AAV|ELL|VEND|BRUM|FRIM|NIVO|PLUV|VENT|GERM|FLOR|PRAI|MESS|THER|FRUC|COMP|MUHAR|SAFAR|RABI[AT]|JUMA[AT]|RAJAB|SHAAB|RAMAD|SHAWW|DHUAQ|DHUAH|FARVA|ORDIB|KHORD|TIR|MORDA|SHAHR|MEHR|ABAN|AZAR|DEY|BAHMA|ESFAN) ?((?:\d{1,4}(?: B\.C\.)?|\d\d\d\d\/\d\d)?)$/', $date, $match)) { |
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$d = $match[1]; |
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$m = $match[2]; |
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$y = $match[3]; |
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} elseif (preg_match('/^(\d{1,4}(?: B\.C\.)?|\d\d\d\d\/\d\d)$/', $date, $match)) { |
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// A date with just a year |
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$d = ''; |
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$m = ''; |
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$y = $match[1]; |
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} else { |
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// An invalid date - do the best we can. |
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$d = ''; |
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$m = ''; |
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$y = ''; |
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// Look for a 3/4 digit year anywhere in the date |
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if (preg_match('/\b(\d{3,4})\b/', $date, $match)) { |
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$y = $match[1]; |
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} |
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// Look for a month anywhere in the date |
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View Code Duplication |
if (preg_match('/(JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC|TSH|CSH|KSL|TVT|SHV|ADR|ADS|NSN|IYR|SVN|TMZ|AAV|ELL|VEND|BRUM|FRIM|NIVO|PLUV|VENT|GERM|FLOR|PRAI|MESS|THER|FRUC|COMP|MUHAR|SAFAR|RABI[AT]|JUMA[AT]|RAJAB|SHAAB|RAMAD|SHAWW|DHUAQ|DHUAH|FARVA|ORDIB|KHORD|TIR|MORDA|SHAHR|MEHR|ABAN|AZAR|DEY|BAHMA|ESFAN)/', $date, $match)) { |
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$m = $match[1]; |
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// Look for a day number anywhere in the date |
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if (preg_match('/\b(\d\d?)\b/', $date, $match)) { |
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$d = $match[1]; |
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} |
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} |
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} |
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// Unambiguous dates - override calendar escape |
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if (preg_match('/^(TSH|CSH|KSL|TVT|SHV|ADR|ADS|NSN|IYR|SVN|TMZ|AAV|ELL)$/', $m)) { |
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$cal = '@#DHEBREW@'; |
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} else { |
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if (preg_match('/^(VEND|BRUM|FRIM|NIVO|PLUV|VENT|GERM|FLOR|PRAI|MESS|THER|FRUC|COMP)$/', $m)) { |
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$cal = '@#DFRENCH R@'; |
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View Code Duplication |
} else { |
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if (preg_match('/^(MUHAR|SAFAR|RABI[AT]|JUMA[AT]|RAJAB|SHAAB|RAMAD|SHAWW|DHUAQ|DHUAH)$/', $m)) { |
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$cal = '@#DHIJRI@'; // This is a WT extension |
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} else { |
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if (preg_match('/^(FARVA|ORDIB|KHORD|TIR|MORDA|SHAHR|MEHR|ABAN|AZAR|DEY|BAHMA|ESFAN)$/', $m)) { |
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$cal = '@#DJALALI@'; // This is a WT extension |
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} elseif (preg_match('/^\d{1,4}( B\.C\.)|\d\d\d\d\/\d\d$/', $y)) { |
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$cal = '@#DJULIAN@'; |
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} |
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} |
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} |
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} |
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// Ambiguous dates - don't override calendar escape |
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View Code Duplication |
if ($cal == '') { |
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if (preg_match('/^(JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)$/', $m)) { |
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$cal = '@#DGREGORIAN@'; |
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} else { |
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if (preg_match('/^[345]\d\d\d$/', $y)) { |
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// Year 3000-5999 |
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$cal = '@#DHEBREW@'; |
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} else { |
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$cal = '@#DGREGORIAN@'; |
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} |
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} |
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} |
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// Now construct an object of the correct type |
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switch ($cal) { |
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case '@#DGREGORIAN@': |
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return new GregorianDate([$y, $m, $d]); |
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case '@#DJULIAN@': |
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return new JulianDate([$y, $m, $d]); |
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case '@#DHEBREW@': |
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return new JewishDate([$y, $m, $d]); |
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case '@#DHIJRI@': |
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return new HijriDate([$y, $m, $d]); |
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case '@#DFRENCH R@': |
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return new FrenchDate([$y, $m, $d]); |
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case '@#DJALALI@': |
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return new JalaliDate([$y, $m, $d]); |
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case '@#DROMAN@': |
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return new RomanDate([$y, $m, $d]); |
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default: |
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throw new \DomainException('Invalid calendar'); |
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} |
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} |
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/** |
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* A list of supported calendars and their names. |
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* |
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* @return string[] |
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*/ |
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public static function calendarNames() { |
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return [ |
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'gregorian' => /* I18N: The gregorian calendar */ I18N::translate('Gregorian'), |
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'julian' => /* I18N: The julian calendar */ I18N::translate('Julian'), |
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'french' => /* I18N: The French calendar */ I18N::translate('French'), |
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'jewish' => /* I18N: The Hebrew/Jewish calendar */ I18N::translate('Jewish'), |
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'hijri' => /* I18N: The Arabic/Hijri calendar */ I18N::translate('Hijri'), |
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'jalali' => /* I18N: The Persian/Jalali calendar */ I18N::translate('Jalali'), |
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]; |
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} |
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/** |
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* Convert a date to the preferred format and calendar(s) display. |
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* |
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* @param bool|null $url Wrap the date in a link to calendar.php |
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* @param string|null $date_format Override the default date format |
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* @param bool|null $convert_calendars Convert the date into other calendars |
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* |
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* @return string |
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*/ |
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public function display($url = false, $date_format = null, $convert_calendars = true) { |
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global $WT_TREE; |
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$CALENDAR_FORMAT = $WT_TREE->getPreference('CALENDAR_FORMAT'); |
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if ($date_format === null) { |
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$date_format = I18N::dateFormat(); |
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} |
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if ($convert_calendars) { |
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$calendar_format = explode('_and_', $CALENDAR_FORMAT); |
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} else { |
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$calendar_format = []; |
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} |
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// Two dates with text before, between and after |
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$q1 = $this->qual1; |
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$d1 = $this->date1->format($date_format, $this->qual1); |
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$q2 = $this->qual2; |
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if (is_null($this->date2)) { |
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$d2 = ''; |
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} else { |
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$d2 = $this->date2->format($date_format, $this->qual2); |
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} |
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// Con vert to other calendars, if requested |
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$conv1 = ''; |
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$conv2 = ''; |
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foreach ($calendar_format as $cal_fmt) { |
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if ($cal_fmt != 'none') { |
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$d1conv = $this->date1->convertToCalendar($cal_fmt); |
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if ($d1conv->inValidRange()) { |
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$d1tmp = $d1conv->format($date_format, $this->qual1); |
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} else { |
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$d1tmp = ''; |
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} |
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if (is_null($this->date2)) { |
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$d2conv = null; |
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$d2tmp = ''; |
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} else { |
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$d2conv = $this->date2->convertToCalendar($cal_fmt); |
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if ($d2conv->inValidRange()) { |
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$d2tmp = $d2conv->format($date_format, $this->qual2); |
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} else { |
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$d2tmp = ''; |
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} |
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} |
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// If the date is different from the unconverted date, add it to the date string. |
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if ($d1 != $d1tmp && $d1tmp !== '') { |
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if ($url) { |
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if ($CALENDAR_FORMAT !== 'none') { |
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$conv1 .= ' <span dir="' . I18N::direction() . '">(<a href="' . $d1conv->calendarUrl($date_format) . '" rel="nofollow">' . $d1tmp . '</a>)</span>'; |
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} else { |
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$conv1 .= ' <span dir="' . I18N::direction() . '"><br><a href="' . $d1conv->calendarUrl($date_format) . '" rel="nofollow">' . $d1tmp . '</a></span>'; |
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} |
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} else { |
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$conv1 .= ' <span dir="' . I18N::direction() . '">(' . $d1tmp . ')</span>'; |
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} |
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} |
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if (!is_null($this->date2) && $d2 != $d2tmp && $d1tmp != '') { |
|
275
|
|
|
if ($url) { |
|
276
|
|
|
$conv2 .= ' <span dir="' . I18N::direction() . '">(<a href="' . $d2conv->calendarUrl($date_format) . '" rel="nofollow">' . $d2tmp . '</a>)</span>'; |
|
277
|
|
|
} else { |
|
278
|
|
|
$conv2 .= ' <span dir="' . I18N::direction() . '">(' . $d2tmp . ')</span>'; |
|
279
|
|
|
} |
|
280
|
|
|
} |
|
281
|
|
|
} |
|
282
|
|
|
} |
|
283
|
|
|
|
|
284
|
|
|
// Add URLs, if requested |
|
285
|
|
|
if ($url) { |
|
286
|
|
|
$d1 = '<a href="' . $this->date1->calendarUrl($date_format) . '" rel="nofollow">' . $d1 . '</a>'; |
|
287
|
|
|
if (!is_null($this->date2)) { |
|
288
|
|
|
$d2 = '<a href="' . $this->date2->calendarUrl($date_format) . '" rel="nofollow">' . $d2 . '</a>'; |
|
289
|
|
|
} |
|
290
|
|
|
} |
|
291
|
|
|
|
|
292
|
|
|
// Localise the date |
|
293
|
|
|
switch ($q1 . $q2) { |
|
294
|
|
|
case '': |
|
295
|
|
|
$tmp = $d1 . $conv1; |
|
296
|
|
|
break; |
|
297
|
|
|
case 'ABT': |
|
298
|
|
|
$tmp = /* I18N: Gedcom ABT dates */ I18N::translate('about %s', $d1 . $conv1); |
|
299
|
|
|
break; |
|
300
|
|
|
case 'CAL': |
|
301
|
|
|
$tmp = /* I18N: Gedcom CAL dates */ I18N::translate('calculated %s', $d1 . $conv1); |
|
302
|
|
|
break; |
|
303
|
|
|
case 'EST': |
|
304
|
|
|
$tmp = /* I18N: Gedcom EST dates */ I18N::translate('estimated %s', $d1 . $conv1); |
|
305
|
|
|
break; |
|
306
|
|
|
case 'INT': |
|
307
|
|
|
$tmp = /* I18N: Gedcom INT dates */ I18N::translate('interpreted %s (%s)', $d1 . $conv1, $this->text); |
|
308
|
|
|
break; |
|
309
|
|
|
case 'BEF': |
|
310
|
|
|
$tmp = /* I18N: Gedcom BEF dates */ I18N::translate('before %s', $d1 . $conv1); |
|
311
|
|
|
break; |
|
312
|
|
|
case 'AFT': |
|
313
|
|
|
$tmp = /* I18N: Gedcom AFT dates */ I18N::translate('after %s', $d1 . $conv1); |
|
314
|
|
|
break; |
|
315
|
|
|
case 'FROM': |
|
316
|
|
|
$tmp = /* I18N: Gedcom FROM dates */ I18N::translate('from %s', $d1 . $conv1); |
|
317
|
|
|
break; |
|
318
|
|
|
case 'TO': |
|
319
|
|
|
$tmp = /* I18N: Gedcom TO dates */ I18N::translate('to %s', $d1 . $conv1); |
|
320
|
|
|
break; |
|
321
|
|
|
case 'BETAND': |
|
322
|
|
|
$tmp = /* I18N: Gedcom BET-AND dates */ I18N::translate('between %s and %s', $d1 . $conv1, $d2 . $conv2); |
|
323
|
|
|
break; |
|
324
|
|
|
case 'FROMTO': |
|
325
|
|
|
$tmp = /* I18N: Gedcom FROM-TO dates */ I18N::translate('from %s to %s', $d1 . $conv1, $d2 . $conv2); |
|
326
|
|
|
break; |
|
327
|
|
|
default: |
|
328
|
|
|
$tmp = I18N::translate('Invalid date'); |
|
329
|
|
|
break; // e.g. BET without AND |
|
330
|
|
|
} |
|
331
|
|
|
if ($this->text && !$q1) { |
|
332
|
|
|
$tmp = I18N::translate('%1$s (%2$s)', $tmp, $this->text); |
|
333
|
|
|
} |
|
334
|
|
|
|
|
335
|
|
|
if (strip_tags($tmp) === '') { |
|
336
|
|
|
return ''; |
|
337
|
|
|
} else { |
|
338
|
|
|
return '<span class="date">' . $tmp . '</span>'; |
|
339
|
|
|
} |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
/** |
|
343
|
|
|
* Get the earliest calendar date from this GEDCOM date. |
|
344
|
|
|
* |
|
345
|
|
|
* In the date “FROM 1900 TO 1910”, this would be 1900. |
|
346
|
|
|
* |
|
347
|
|
|
* @return CalendarDate |
|
348
|
|
|
*/ |
|
349
|
|
|
public function minimumDate() { |
|
350
|
|
|
return $this->date1; |
|
351
|
|
|
} |
|
352
|
|
|
|
|
353
|
|
|
/** |
|
354
|
|
|
* Get the latest calendar date from this GEDCOM date. |
|
355
|
|
|
* |
|
356
|
|
|
* In the date “FROM 1900 TO 1910”, this would be 1910. |
|
357
|
|
|
* |
|
358
|
|
|
* @return CalendarDate |
|
359
|
|
|
*/ |
|
360
|
|
|
public function maximumDate() { |
|
361
|
|
|
if (is_null($this->date2)) { |
|
362
|
|
|
return $this->date1; |
|
363
|
|
|
} else { |
|
364
|
|
|
return $this->date2; |
|
365
|
|
|
} |
|
366
|
|
|
} |
|
367
|
|
|
|
|
368
|
|
|
/** |
|
369
|
|
|
* Get the earliest Julian day number from this GEDCOM date. |
|
370
|
|
|
* |
|
371
|
|
|
* @return int |
|
372
|
|
|
*/ |
|
373
|
|
|
public function minimumJulianDay() { |
|
374
|
|
|
return $this->minimumDate()->minJD; |
|
375
|
|
|
} |
|
376
|
|
|
|
|
377
|
|
|
/** |
|
378
|
|
|
* Get the latest Julian day number from this GEDCOM date. |
|
379
|
|
|
* |
|
380
|
|
|
* @return int |
|
381
|
|
|
*/ |
|
382
|
|
|
public function maximumJulianDay() { |
|
383
|
|
|
return $this->maximumDate()->maxJD; |
|
384
|
|
|
} |
|
385
|
|
|
|
|
386
|
|
|
/** |
|
387
|
|
|
* Get the middle Julian day number from the GEDCOM date. |
|
388
|
|
|
* |
|
389
|
|
|
* For a month-only date, this would be somewhere around the 16th day. |
|
390
|
|
|
* For a year-only date, this would be somewhere around 1st July. |
|
391
|
|
|
* |
|
392
|
|
|
* @return int |
|
393
|
|
|
*/ |
|
394
|
|
|
public function julianDay() { |
|
395
|
|
|
return (int) (($this->minimumJulianDay() + $this->maximumJulianDay()) / 2); |
|
396
|
|
|
} |
|
397
|
|
|
|
|
398
|
|
|
/** |
|
399
|
|
|
* Offset this date by N years, and round to the whole year. |
|
400
|
|
|
* |
|
401
|
|
|
* This is typically used to create an estimated death date, |
|
402
|
|
|
* which is before a certain number of years after the birth date. |
|
403
|
|
|
* |
|
404
|
|
|
* @param int $years a number of years, positive or negative |
|
405
|
|
|
* @param string $qualifier typically “BEF” or “AFT” |
|
406
|
|
|
* |
|
407
|
|
|
* @return Date |
|
408
|
|
|
*/ |
|
409
|
|
|
public function addYears(int $years, string $qualifier = '') { |
|
410
|
|
|
$tmp = clone $this; |
|
411
|
|
|
$tmp->date1->y += $years; |
|
412
|
|
|
$tmp->date1->m = 0; |
|
413
|
|
|
$tmp->date1->d = 0; |
|
414
|
|
|
$tmp->date1->setJdFromYmd(); |
|
415
|
|
|
$tmp->qual1 = $qualifier; |
|
416
|
|
|
$tmp->qual2 = ''; |
|
417
|
|
|
$tmp->date2 = null; |
|
418
|
|
|
|
|
419
|
|
|
return $tmp; |
|
420
|
|
|
} |
|
421
|
|
|
|
|
422
|
|
|
/** |
|
423
|
|
|
* Calculate the the age of a person, on a date. |
|
424
|
|
|
* |
|
425
|
|
|
* @param Date $d1 |
|
426
|
|
|
* @param Date $d2 |
|
427
|
|
|
* @param int $format |
|
428
|
|
|
* |
|
429
|
|
|
* @throws \InvalidArgumentException |
|
430
|
|
|
* |
|
431
|
|
|
* @return int|string |
|
432
|
|
|
*/ |
|
433
|
|
|
public static function getAge(Date $d1, Date $d2 = null, $format = 0) { |
|
434
|
|
|
if ($d2) { |
|
435
|
|
|
if ($d2->maximumJulianDay() >= $d1->minimumJulianDay() && $d2->minimumJulianDay() <= $d1->minimumJulianDay()) { |
|
436
|
|
|
// Overlapping dates |
|
437
|
|
|
$jd = $d1->minimumJulianDay(); |
|
438
|
|
|
} else { |
|
439
|
|
|
// Non-overlapping dates |
|
440
|
|
|
$jd = $d2->minimumJulianDay(); |
|
441
|
|
|
} |
|
442
|
|
|
} else { |
|
443
|
|
|
// If second date not specified, use today’s date |
|
444
|
|
|
$jd = WT_CLIENT_JD; |
|
445
|
|
|
} |
|
446
|
|
|
|
|
447
|
|
|
switch ($format) { |
|
448
|
|
|
case 0: |
|
449
|
|
|
// Years - integer only (for statistics, rather than for display) |
|
450
|
|
|
if ($jd && $d1->minimumJulianDay() && $d1->minimumJulianDay() <= $jd) { |
|
451
|
|
|
return $d1->minimumDate()->getAge(false, $jd, false); |
|
452
|
|
|
} else { |
|
453
|
|
|
return -1; |
|
454
|
|
|
} |
|
455
|
|
|
case 1: |
|
456
|
|
|
// Days - integer only (for sorting, rather than for display) |
|
457
|
|
|
if ($jd && $d1->minimumJulianDay()) { |
|
458
|
|
|
return $jd - $d1->minimumJulianDay(); |
|
459
|
|
|
} else { |
|
460
|
|
|
return -1; |
|
461
|
|
|
} |
|
462
|
|
|
case 2: |
|
463
|
|
|
// Just years, in local digits, with warning for negative/ |
|
464
|
|
|
if ($jd && $d1->minimumJulianDay()) { |
|
465
|
|
|
if ($d1->minimumJulianDay() > $jd) { |
|
466
|
|
|
return '<i class="icon-warning"></i>'; |
|
467
|
|
|
} else { |
|
468
|
|
|
return I18N::number($d1->minimumDate()->getAge(false, $jd)); |
|
|
|
|
|
|
469
|
|
|
} |
|
470
|
|
|
} else { |
|
471
|
|
|
return ''; |
|
472
|
|
|
} |
|
473
|
|
|
default: |
|
474
|
|
|
throw new \InvalidArgumentException('format: ' . $format); |
|
475
|
|
|
} |
|
476
|
|
|
} |
|
477
|
|
|
|
|
478
|
|
|
/** |
|
479
|
|
|
* Calculate the years/months/days between two events |
|
480
|
|
|
* Return a gedcom style age string: "1y 2m 3d" (for fact details) |
|
481
|
|
|
* |
|
482
|
|
|
* @param Date $d1 |
|
483
|
|
|
* @param Date|null $d2 |
|
484
|
|
|
* |
|
485
|
|
|
* @return string |
|
486
|
|
|
*/ |
|
487
|
|
|
public static function getAgeGedcom(Date $d1, Date $d2 = null) { |
|
488
|
|
|
if (is_null($d2)) { |
|
489
|
|
|
return $d1->date1->getAge(true, WT_CLIENT_JD, true); |
|
490
|
|
|
} else { |
|
491
|
|
|
// If dates overlap, then can’t calculate age. |
|
492
|
|
|
if (self::compare($d1, $d2)) { |
|
493
|
|
|
return $d1->date1->getAge(true, $d2->minimumJulianDay(), true); |
|
494
|
|
|
} elseif (self::compare($d1, $d2) == 0 && $d1->minimumJulianDay() == $d2->minimumJulianDay()) { |
|
495
|
|
|
return '0d'; |
|
496
|
|
|
} else { |
|
497
|
|
|
return ''; |
|
498
|
|
|
} |
|
499
|
|
|
} |
|
500
|
|
|
} |
|
501
|
|
|
|
|
502
|
|
|
/** |
|
503
|
|
|
* Compare two dates, so they can be sorted. |
|
504
|
|
|
* |
|
505
|
|
|
* return <0 if $a<$b |
|
506
|
|
|
* return >0 if $b>$a |
|
507
|
|
|
* return 0 if dates same/overlap |
|
508
|
|
|
* BEF/AFT sort as the day before/after |
|
509
|
|
|
* |
|
510
|
|
|
* @param Date $a |
|
511
|
|
|
* @param Date $b |
|
512
|
|
|
* |
|
513
|
|
|
* @return int |
|
514
|
|
|
*/ |
|
515
|
|
|
public static function compare(Date $a, Date $b) { |
|
516
|
|
|
// Get min/max JD for each date. |
|
517
|
|
View Code Duplication |
switch ($a->qual1) { |
|
518
|
|
|
case 'BEF': |
|
519
|
|
|
$amin = $a->minimumJulianDay() - 1; |
|
520
|
|
|
$amax = $amin; |
|
521
|
|
|
break; |
|
522
|
|
|
case 'AFT': |
|
523
|
|
|
$amax = $a->maximumJulianDay() + 1; |
|
524
|
|
|
$amin = $amax; |
|
525
|
|
|
break; |
|
526
|
|
|
default: |
|
527
|
|
|
$amin = $a->minimumJulianDay(); |
|
528
|
|
|
$amax = $a->maximumJulianDay(); |
|
529
|
|
|
break; |
|
530
|
|
|
} |
|
531
|
|
View Code Duplication |
switch ($b->qual1) { |
|
532
|
|
|
case 'BEF': |
|
533
|
|
|
$bmin = $b->minimumJulianDay() - 1; |
|
534
|
|
|
$bmax = $bmin; |
|
535
|
|
|
break; |
|
536
|
|
|
case 'AFT': |
|
537
|
|
|
$bmax = $b->maximumJulianDay() + 1; |
|
538
|
|
|
$bmin = $bmax; |
|
539
|
|
|
break; |
|
540
|
|
|
default: |
|
541
|
|
|
$bmin = $b->minimumJulianDay(); |
|
542
|
|
|
$bmax = $b->maximumJulianDay(); |
|
543
|
|
|
break; |
|
544
|
|
|
} |
|
545
|
|
|
if ($amax < $bmin) { |
|
546
|
|
|
return -1; |
|
547
|
|
|
} elseif ($amin > $bmax && $bmax > 0) { |
|
548
|
|
|
return 1; |
|
549
|
|
|
} elseif ($amin < $bmin && $amax <= $bmax) { |
|
550
|
|
|
return -1; |
|
551
|
|
|
} elseif ($amin > $bmin && $amax >= $bmax && $bmax > 0) { |
|
552
|
|
|
return 1; |
|
553
|
|
|
} else { |
|
554
|
|
|
return 0; |
|
555
|
|
|
} |
|
556
|
|
|
} |
|
557
|
|
|
|
|
558
|
|
|
/** |
|
559
|
|
|
* Check whether a gedcom date contains usable calendar date(s). |
|
560
|
|
|
* |
|
561
|
|
|
* An incomplete date such as "12 AUG" would be invalid, as |
|
562
|
|
|
* we cannot sort it. |
|
563
|
|
|
* |
|
564
|
|
|
* @return bool |
|
565
|
|
|
*/ |
|
566
|
|
|
public function isOK() { |
|
567
|
|
|
return $this->minimumJulianDay() && $this->maximumJulianDay(); |
|
568
|
|
|
} |
|
569
|
|
|
|
|
570
|
|
|
/** |
|
571
|
|
|
* Calculate the gregorian year for a date. This should NOT be used internally |
|
572
|
|
|
* within WT - we should keep the code "calendar neutral" to allow support for |
|
573
|
|
|
* jewish/arabic users. This is only for interfacing with external entities, |
|
574
|
|
|
* such as the ancestry.com search interface or the dated fact icons. |
|
575
|
|
|
* |
|
576
|
|
|
* @return int |
|
577
|
|
|
*/ |
|
578
|
|
|
public function gregorianYear() { |
|
579
|
|
|
if ($this->isOK()) { |
|
580
|
|
|
$gregorian_calendar = new GregorianCalendar; |
|
581
|
|
|
list($year) = $gregorian_calendar->jdToYmd($this->julianDay()); |
|
582
|
|
|
|
|
583
|
|
|
return $year; |
|
584
|
|
|
} else { |
|
585
|
|
|
return 0; |
|
586
|
|
|
} |
|
587
|
|
|
} |
|
588
|
|
|
} |
|
589
|
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fisharebest /
webtrees
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