. */ declare(strict_types=1); namespace Fisharebest\Webtrees\Elements; use function strtolower; use function strtoupper; /** * AGE_AT_EVENT := {Size=1:12} * [ < | > | ] * [ YYy MMm DDDd | YYy | MMm | DDDd | * YYy MMm | YYy DDDd | MMm DDDd | * CHILD | INFANT | STILLBORN ] * ] * Where: * > = greater than indicated age * < = less than indicated age * y = a label indicating years * m = a label indicating months * d = a label indicating days * YY = number of full years * MM = number of months * DDD = number of days * CHILD = age < 8 years * INFANT = age <1year * STILLBORN = died just prior, at, or near birth, 0 years */ class AgeAtEvent extends AbstractElement { protected const MAXIMUM_LENGTH = 12; public function canonical(string $value): string { $value = parent::canonical($value); $upper = strtoupper($value); if ($upper === 'CHILD' || $upper === 'INFANT' || $upper === 'STILLBORN') { return $upper; } return strtolower($value); } }