function calculate_date($holiday, &$holidays, $year, &$i)
{
// if($holiday['day'] == 0 && $holiday['dow'] != 0 && $holiday['occurence'] != 0)
if ($holiday['day'] == 0 && $holiday['occurence'] != 0) {
if ($holiday['occurence'] != 99) {
$dow = phpgw_datetime::day_of_week($year, $holiday['month'], 1);
$day = 7 * $holiday['occurence'] - 6 + ($holiday['dow'] + 7 - $dow) % 7;
$day += $day < 1 ? 7 : 0;
// What is the point of this?
// Add 7 when the holiday falls on a Monday???
//$day += ($holiday['dow']==1 ? 7 : 0);
// Sometimes the 5th occurance of a weekday (ie the 5th monday)
// can spill over to the next month. This prevents that.
$ld = phpgw_datetime::days_in_month($holiday['month'], $year);
if ($day > $ld) {
return;
}
} else {
$ld = phpgw_datetime::days_in_month($holiday['month'], $year);
$dow = phpgw_datetime::day_of_week($year, $holiday['month'], $ld);
$day = $ld - ($dow + 7 - $holiday['dow']) % 7;
}
} else {
$day = $holiday['day'];
if ($holiday['observance_rule'] == True) {
$dow = phpgw_datetime::day_of_week($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'];
$holidays[$i]['name'] = $holiday['name'] . ' (Observed)';
$holidays[$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;
} else {
if ($dow == 6) {
++$i;
$holidays[$i]['locale'] = $holiday['locale'];
$holidays[$i]['name'] = $holiday['name'] . ' (Observed)';
$holidays[$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;
}
