* @license http://opensource.org/licenses/MIT MIT */ declare (strict_types=1); namespace DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Uuid\Rfc4122; use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Uuid\Uuid; use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Uuid\Validator\ValidatorInterface; use function preg_match; use function str_replace; /** * Rfc4122\Validator validates strings as UUIDs of the RFC 4122 variant * * @psalm-immutable */ final class Validator implements ValidatorInterface { private const VALID_PATTERN = '\\A[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-' . '[1-5]{1}[0-9A-Fa-f]{3}-[ABab89]{1}[0-9A-Fa-f]{3}-[0-9A-Fa-f]{12}\\z'; /** * @psalm-return non-empty-string * @psalm-suppress MoreSpecificReturnType we know that the retrieved `string` is never empty * @psalm-suppress LessSpecificReturnStatement we know that the retrieved `string` is never empty */ public function getPattern() : string { return self::VALID_PATTERN; } public function validate(string $uuid) : bool { $uuid = str_replace(['urn:', 'uuid:', 'URN:', 'UUID:', '{', '}'], '', $uuid); return $uuid === Uuid::NIL || preg_match('/' . self::VALID_PATTERN . '/Dms', $uuid); } }