/** * Generate an estimate for the date of birth, based on dates of parents/children/spouses * * @return Date */ public 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->isOK()) { $min[] = $tmp->minimumJulianDay() - $this->tree->getPreference('MAX_ALIVE_AGE') * 365; $max[] = $tmp->maximumJulianDay(); } foreach ($this->getChildFamilies() as $family) { $tmp = $family->getMarriageDate(); if ($tmp->isOK()) { $min[] = $tmp->maximumJulianDay() - 365 * 1; $max[] = $tmp->minimumJulianDay() + 365 * 30; } if ($parent = $family->getHusband()) { $tmp = $parent->getBirthDate(); if ($tmp->isOK()) { $min[] = $tmp->maximumJulianDay() + 365 * 15; $max[] = $tmp->minimumJulianDay() + 365 * 65; } } if ($parent = $family->getWife()) { $tmp = $parent->getBirthDate(); if ($tmp->isOK()) { $min[] = $tmp->maximumJulianDay() + 365 * 15; $max[] = $tmp->minimumJulianDay() + 365 * 45; } } foreach ($family->getChildren() as $child) { $tmp = $child->getBirthDate(); if ($tmp->isOK()) { $min[] = $tmp->maximumJulianDay() - 365 * 30; $max[] = $tmp->minimumJulianDay() + 365 * 30; } } } foreach ($this->getSpouseFamilies() as $family) { $tmp = $family->getMarriageDate(); if ($tmp->isOK()) { $min[] = $tmp->maximumJulianDay() - 365 * 45; $max[] = $tmp->minimumJulianDay() - 365 * 15; } $spouse = $family->getSpouse($this); if ($spouse) { $tmp = $spouse->getBirthDate(); if ($tmp->isOK()) { $min[] = $tmp->maximumJulianDay() - 365 * 25; $max[] = $tmp->minimumJulianDay() + 365 * 25; } } foreach ($family->getChildren() as $child) { $tmp = $child->getBirthDate(); if ($tmp->isOK()) { $min[] = $tmp->maximumJulianDay() - 365 * ($this->getSex() == 'F' ? 45 : 65); $max[] = $tmp->minimumJulianDay() - 365 * 15; } } } if ($min && $max) { $gregorian_calendar = new GregorianCalendar(); list($year) = $gregorian_calendar->jdToYmd((int) ((max($min) + min($max)) / 2)); $this->_getEstimatedBirthDate = new Date('EST ' . $year); } else { $this->_getEstimatedBirthDate = new Date(''); // always return a date object } } } return $this->_getEstimatedBirthDate; }
/** * Calculate the gregorian year for a date. This should NOT be used internally * within WT - we should keep the code "calendar neutral" to allow support for * jewish/arabic users. This is only for interfacing with external entities, * such as the ancestry.com search interface or the dated fact icons. * * @return int */ public function gregorianYear() { if ($this->isOK()) { $gregorian_calendar = new GregorianCalendar(); list($year) = $gregorian_calendar->jdToYmd($this->julianDay()); return $year; } else { return 0; } }