mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-16 04:53:18 +01:00
106 lines
3.7 KiB
PHP
Executable File
106 lines
3.7 KiB
PHP
Executable File
<?php
|
|
/**************************************************************************\
|
|
* eGroupWare - holidaycalc_US *
|
|
* http://www.egroupware.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 add($holiday,&$holidays,$year,$day_offset=0)
|
|
{
|
|
if ($day_offset)
|
|
{
|
|
$holiday['name'] .= ' (Observed)';
|
|
}
|
|
$holiday['date'] = mktime(0,0,0,$holiday['month'],$holiday['day']+$day_offset,$year);
|
|
foreach(array('day'=>'d','month'=>'m','occurence'=>'Y') as $key => $frmt)
|
|
{
|
|
$holiday[$key] = date($frmt,$holiday['date']);
|
|
}
|
|
$holiday['obervance_rule'] = 0;
|
|
|
|
$holidays[]= $holiday;
|
|
|
|
//echo "<p>holidaycalc::add(,,$year,,$day_offset)=".print_r($holiday,True)."</p>";
|
|
}
|
|
|
|
function calculate_date($holiday, &$holidays, $year)
|
|
{
|
|
//echo "<p>holidaycalc::calculate_date(".print_r($holiday,True).",,$year,)</p>";
|
|
|
|
if($holiday['day'] == 0 && $holiday['occurence'] != 0)
|
|
{
|
|
if($holiday['occurence'] != 99)
|
|
{
|
|
$dow = $GLOBALS['phpgw']->datetime->day_of_week($year,$holiday['month'],1);
|
|
$day = (((7 * $holiday['occurence']) - 6) + ((($holiday['dow'] + 7) - $dow) % 7));
|
|
$day += ($day < 1 ? 7 : 0);
|
|
|
|
// Sometimes the 5th occurance of a weekday (ie the 5th monday)
|
|
// can spill over to the next month. This prevents that.
|
|
$ld = $GLOBALS['phpgw']->datetime->days_in_month($holiday['month'],$year);
|
|
if ($day > $ld)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$ld = $GLOBALS['phpgw']->datetime->days_in_month($holiday['month'],$year);
|
|
$dow = $GLOBALS['phpgw']->datetime->day_of_week($year,$holiday['month'],$ld);
|
|
$day = $ld - (($dow + 7) - $holiday['dow']) % 7 ;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$day = $holiday['day'];
|
|
if($holiday['observance_rule'] == True)
|
|
{
|
|
$dow = $GLOBALS['phpgw']->datetime->day_of_week($year,$holiday['month'],$day);
|
|
// This now calulates Observed holidays and creates a new entry for them.
|
|
|
|
// 0 = sundays are observed on monday (+1), 6 = saturdays are observed on fridays (-1)
|
|
if($dow == 0 || $dow == 6)
|
|
{
|
|
$this->add($holiday,$holidays,$year,$dow == 0 ? 1 : -1);
|
|
}
|
|
if ($holiday['month'] == 1 && $day == 1)
|
|
{
|
|
$dow = $GLOBALS['phpgw']->datetime->day_of_week($year+1,$holiday['month'],$day);
|
|
// checking if next year's newyear might be observed in this year
|
|
if ($dow == 6)
|
|
{
|
|
$this->add($holiday,$holidays,$year+1,-1);
|
|
}
|
|
// add the next years newyear, to show it in a week- or month-view
|
|
$this->add($holiday,$holidays,$year+1);
|
|
}
|
|
// checking if last year's new year's eve might be observed in this year
|
|
if ($holiday['month'] == 12 && $day == 31)
|
|
{
|
|
$dow = $GLOBALS['phpgw']->datetime->day_of_week($year-1,$holiday['month'],$day);
|
|
if ($dow == 0)
|
|
{
|
|
$this->add($holiday,$holidays,$year-1,1);
|
|
}
|
|
// add the last years new year's eve, to show it in a week- or month-view
|
|
$this->add($holiday,$holidays,$year-1);
|
|
}
|
|
}
|
|
}
|
|
$date = mktime(0,0,0,$holiday['month'],$day,$year);
|
|
|
|
return $date;
|
|
}
|
|
}
|
|
?>
|