mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-23 08:23:12 +01:00
106 lines
3.0 KiB
PHP
Executable File
106 lines
3.0 KiB
PHP
Executable File
<?php
|
|
/**************************************************************************\
|
|
* phpGroupWare - holidaycalc_JP *
|
|
* http://www.phpgroupware.org *
|
|
* Based on Yoshihiro Kamimura <your@itheart.com> *
|
|
* http://www.itheart.com *
|
|
* -------------------------------------------- *
|
|
* This program is free software; you can redistribute it and/or modify it *
|
|
* under the terms of the GNU General Public License as published by the *
|
|
* Free Software Foundation; either version 2 of the License, or (at your *
|
|
* option) any later version. *
|
|
\**************************************************************************/
|
|
|
|
/* $Id$ */
|
|
|
|
class holidaycalc {
|
|
|
|
function calculate_date($holiday, &$holidays, $year, $datetime, &$i)
|
|
{
|
|
|
|
if($holiday['day'] == 0 && $holiday['dow'] != 0 && $holiday['occurence'] != 0)
|
|
{
|
|
// for Coming of Age Day and Health and Sports Day
|
|
// Happy monday law.
|
|
if ($year >= 2000)
|
|
{
|
|
$dow = $datetime->day_of_week($year, $holiday['month'], 1);
|
|
$dayshift = (($holiday['dow'] + 7) - $dow) % 7;
|
|
$day = ($holiday['occurence'] - 1) * 7 + $dayshift + 1;
|
|
}
|
|
else
|
|
{
|
|
// non Happy monday law.
|
|
if ($holiday['month'] == 1)
|
|
{
|
|
$day = 15;
|
|
}
|
|
elseif ($holiday['month'] == 10)
|
|
{
|
|
$day = 10;
|
|
}
|
|
}
|
|
}
|
|
elseif ($holiday['day'] == 0 && $holiday['dow'] == 0 && $holiday['occurence'] == 0)
|
|
{
|
|
// For the next generation.
|
|
// over 2151, please set $factor...
|
|
if ($holiday['month'] == 3)
|
|
{
|
|
// for Vernal Equinox
|
|
if ($year >= 1980 && $year <= 2099)
|
|
{
|
|
$factor = 20.8431;
|
|
}
|
|
elseif ($year >= 2100 && $year <= 2150)
|
|
{
|
|
$factor = 21.851;
|
|
}
|
|
}
|
|
elseif ($holiday['month'] == 9)
|
|
{
|
|
// for Autumnal Equinox
|
|
if ($year >= 1980 && $year <= 2099)
|
|
{
|
|
$factor = 23.2488;
|
|
}
|
|
elseif ($year >= 2100 && $year <= 2150)
|
|
{
|
|
$factor = 24.2488;
|
|
}
|
|
}
|
|
|
|
$day = (int)($factor + 0.242194 * ($year - 1980)
|
|
- (int)(($year - 1980) / 4));
|
|
}
|
|
else
|
|
{
|
|
// normal holiday
|
|
$day = $holiday['day'];
|
|
}
|
|
|
|
if($holiday['observance_rule'] == True)
|
|
{
|
|
$dow = $datetime->day_of_week($year,$holiday['month'],$day);
|
|
// This now calulates Observed holidays and creates a new entry for them.
|
|
if($dow == 0)
|
|
{
|
|
$i++;
|
|
$holidays[$i]['locale'] = $holiday['locale'].' (Observed)';
|
|
$holidays[$i]['name'] = lang('overlap holiday');
|
|
$holidays[$i]['day'] = $holiday['day'] + 1;
|
|
$holidays[$i]['month'] = $holiday['month'];
|
|
$holidays[$i]['occurence'] = $holiday['occurence'];
|
|
$holidays[$i]['dow'] = $holiday['dow'];
|
|
$holidays[$i]['date'] = mktime(0,0,0,$holiday['month'],$day+1,$year);
|
|
$holidays[$i]['obervance_rule'] = 0;
|
|
}
|
|
}
|
|
|
|
$date = mktime(0,0,0,$holiday['month'],$day,$year);
|
|
|
|
return $date;
|
|
}
|
|
}
|
|
?>
|