* @license http://opensource.org/licenses/MIT MIT */ declare (strict_types=1); namespace Dudlewebs\WPMCS\Ramsey\Uuid\Rfc4122; /** * Provides common functionality for handling the version, as defined by RFC 4122 * * @psalm-immutable */ trait VersionTrait { /** * Returns the version */ abstract public function getVersion(): ?int; /** * Returns true if these fields represent a nil UUID */ abstract public function isNil(): bool; /** * Returns true if the version matches one of those defined by RFC 4122 * * @return bool True if the UUID version is valid, false otherwise */ private function isCorrectVersion(): bool { if ($this->isNil()) { return \true; } switch ($this->getVersion()) { case 1: case 2: case 3: case 4: case 5: case 6: return \true; } return \false; } }