function search_indis_year_range($startyear, $endyear)
{
// TODO: We should use Julian-days, rather than gregorian years,
// to allow
// the lifespan chart, etc., to use other calendars.
$startjd = GregorianDate::YMDtoJD($startyear, 1, 1);
$endjd = GregorianDate::YMDtoJD($endyear + 1, 1, 1) - 1;
return search_indis_daterange($startjd, $endjd, '');
}
function gregorianYear()
{
if ($this->isOK()) {
list($y) = GregorianDate::JDtoYMD($this->JD());
return $y;
} else {
return 0;
}
}
function getEstimatedBirthDate()
{
if (is_null($this->_getEstimatedBirthDate)) {
foreach ($this->getAllBirthDates() as $date) {
if ($date->isOK()) {
$this->_getEstimatedBirthDate = $date;
break;
}
}
if (is_null($this->_getEstimatedBirthDate)) {
$min = array();
$max = array();
$tmp = $this->getDeathDate();
if ($tmp->MinJD()) {
global $MAX_ALIVE_AGE;
$min[] = $tmp->MinJD() - $MAX_ALIVE_AGE * 365;
$max[] = $tmp->MaxJD();
}
foreach ($this->getChildFamilies() as $family) {
foreach ($family->getChildren() as $child) {
$tmp = $child->getBirthDate();
if ($tmp->MinJD()) {
$min[] = $tmp->MaxJD() - 365 * ($this->getSex() == 'F' ? 45 : 65);
$max[] = $tmp->MinJD() - 365 * 15;
}
}
}
foreach ($this->getSpouseFamilies() as $family) {
$tmp = $family->getMarriageDate();
if (is_object($tmp) && $tmp->MinJD()) {
$min[] = $tmp->MaxJD() - 365 * 45;
$max[] = $tmp->MinJD() - 365 * 15;
}
if ($spouse = $family->getSpouse($this)) {
$tmp = $spouse->getBirthDate();
if (is_object($tmp) && $tmp->MinJD()) {
$min[] = $tmp->MaxJD() - 365 * 25;
$max[] = $tmp->MinJD() + 365 * 25;
}
}
}
if ($min && $max) {
list($y) = GregorianDate::JDtoYMD(floor((max($min) + min($max)) / 2));
$this->_getEstimatedBirthDate = new GedcomDate("EST {$y}");
} else {
$this->_getEstimatedBirthDate = new GedcomDate('');
// always return a date object
}
}
}
return $this->_getEstimatedBirthDate;
}