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<?php /** * This file is part of the ramsey/uuid library * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. * * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com> * @license http://opensource.org/licenses/MIT MIT */ declare(strict_types=1); namespace Ramsey\Uuid; use JsonSerializable; use Ramsey\Uuid\Fields\FieldsInterface; use Ramsey\Uuid\Type\Hexadecimal; use Ramsey\Uuid\Type\Integer as IntegerObject; use Serializable; /** * A UUID is a universally unique identifier adhering to an agreed-upon * representation format and standard for generation * * @psalm-immutable */ interface UuidInterface extends DeprecatedUuidInterface, JsonSerializable, Serializable { /** * Returns -1, 0, or 1 if the UUID is less than, equal to, or greater than * the other UUID * * The first of two UUIDs is greater than the second if the most * significant field in which the UUIDs differ is greater for the first * UUID. * * * Q. What's the value of being able to sort UUIDs? * * A. Use them as keys in a B-Tree or similar mapping. * * @param UuidInterface $other The UUID to compare * * @return int -1, 0, or 1 if the UUID is less than, equal to, or greater than $other */ public function compareTo(UuidInterface $other): int; /** * Returns true if the UUID is equal to the provided object * * The result is true if and only if the argument is not null, is a UUID * object, has the same variant, and contains the same value, bit for bit, * as the UUID. * * @param object|null $other An object to test for equality with this UUID * * @return bool True if the other object is equal to this UUID */ public function equals(?object $other): bool; /** * Returns the binary string representation of the UUID * * @psalm-return non-empty-string */ public function getBytes(): string; /** * Returns the fields that comprise this UUID */ public function getFields(): FieldsInterface; /** * Returns the hexadecimal representation of the UUID */ public function getHex(): Hexadecimal; /** * Returns the integer representation of the UUID */ public function getInteger(): IntegerObject; /** * Returns the string standard representation of the UUID as a URN * * @link http://en.wikipedia.org/wiki/Uniform_Resource_Name Uniform Resource Name * @link https://tools.ietf.org/html/rfc4122#section-3 RFC 4122, ยง 3: Namespace Registration Template */ public function getUrn(): string; /** * Returns the string standard representation of the UUID * * @psalm-return non-empty-string */ public function toString(): string; /** * Casts the UUID to the string standard representation * * @psalm-return non-empty-string */ public function __toString(): string; }