forked from extern/egroupware
86 lines
3.1 KiB
PHP
Executable File
86 lines
3.1 KiB
PHP
Executable File
<?php
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/**************************************************************************\
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* phpGroupWare - holidaycalc_US *
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* http://www.phpgroupware.org *
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* Based on Yoshihiro Kamimura <your@itheart.com> *
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* http://www.itheart.com *
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* -------------------------------------------- *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License, or (at your *
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* option) any later version. *
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\**************************************************************************/
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/* $Id$ */
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class holidaycalc {
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function calculate_date($holiday, &$holidays, $year, $datetime, &$i)
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{
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// if($holiday['day'] == 0 && $holiday['dow'] != 0 && $holiday['occurence'] != 0)
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if($holiday['day'] == 0 && $holiday['occurence'] != 0)
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{
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if($holiday['occurence'] != 99)
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{
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$dow = $datetime->day_of_week($year,$holiday['month'],1);
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$day = (((7 * $holiday['occurence']) - 6) + ((($holiday['dow'] + 7) - $dow) % 7));
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$day += ($day < 1 ? 7 : 0);
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// What is the point of this?
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// Add 7 when the holiday falls on a Monday???
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//$day += ($holiday['dow']==1 ? 7 : 0);
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// Sometimes the 5th occurance of a weekday (ie the 5th monday)
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// can spill over to the next month. This prevents that.
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$ld = $datetime->days_in_month($holiday['month'],$year);
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if ($day > $ld)
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{
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return;
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}
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}
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else
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{
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$ld = $datetime->days_in_month($holiday['month'],$year);
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$dow = $datetime->day_of_week($year,$holiday['month'],$ld);
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$day = $ld - (($dow + 7) - $holiday['dow']) % 7 ;
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}
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}
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else
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{
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$day = $holiday['day'];
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if($holiday['observance_rule'] == True)
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{
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$dow = $datetime->day_of_week($year,$holiday['month'],$day);
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// This now calulates Observed holidays and creates a new entry for them.
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if($dow == 0)
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{
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$i++;
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$holidays[$i]['locale'] = $holiday['locale'];
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$holidays[$i]['name'] = $holiday['name'].' (Observed)';
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$holidays[$i]['day'] = $holiday['day'] + 1;
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$holidays[$i]['month'] = $holiday['month'];
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$holidays[$i]['occurence'] = $holiday['occurence'];
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$holidays[$i]['dow'] = $holiday['dow'];
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$holidays[$i]['date'] = mktime(0,0,0,$holiday['month'],$day+1,$year);
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$holidays[$i]['obervance_rule'] = 0;
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}
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elseif($dow == 6)
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{
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$i++;
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$holidays[$i]['locale'] = $holiday['locale'];
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$holidays[$i]['name'] = $holiday['name'].' (Observed)';
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$holidays[$i]['day'] = $holiday['day'] - 1;
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$holidays[$i]['month'] = $holiday['month'];
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$holidays[$i]['occurence'] = $holiday['occurence'];
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$holidays[$i]['dow'] = $holiday['dow'];
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$holidays[$i]['date'] = mktime(0,0,0,$holiday['month'],$day-1,$year);
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$holidays[$i]['obervance_rule'] = 0;
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}
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}
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}
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$date = mktime(0,0,0,$holiday['month'],$day,$year);
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return $date;
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}
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}
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?>
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