public function updateDateRange($date, $use_year = true)
{
$date = new LsDate($date);
if ($use_year) {
$date->setDay('00');
$date->setMonth('00');
}
if ($date->getYear() == '0000') {
return false;
}
//start date and end date both null, make start date the date
if (!$this->end_date && !$this->start_date) {
$this->start_date = (string) $date;
$this->end_date = (string) $date;
return true;
}
$end_date = new LsDate($this->end_date);
$start_date = new LsDate($this->start_date);
$start_date_comp = LsDate::compare($date, $start_date);
$end_date_comp = LsDate::compare($date, $end_date);
//if date is the same as either start date or end date, make no changes
if ($start_date_comp == LsDate::COMPARE_SAME || $end_date_comp === LsDate::COMPARE_SAME) {
return false;
} else {
if ($start_date_comp == LsDate::COMPARE_BEFORE) {
$this->start_date = (string) $date;
return true;
} else {
if ($end_date_comp == LsDate::COMPARE_AFTER) {
$this->end_date = (string) $date;
return true;
}
}
}
//no changes have been made
return false;
}
