*/ namespace Yasumi\Provider; /** * This factory keep references to already instantiated DateTimeZone to save CPU time resources. * * @author Pierrick VIGNAND */ final class DateTimeZoneFactory { /** @var array */ private static array $dateTimeZones = []; public static function getDateTimeZone(string $timezone): \DateTimeZone { if (! isset(self::$dateTimeZones[$timezone])) { self::$dateTimeZones[$timezone] = new \DateTimeZone($timezone); } return self::$dateTimeZones[$timezone]; } }