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.. _reference.types:
=====
Types
=====
.. php:namespace:: Ramsey\Uuid\Type
.. php:class:: TypeInterface
Implements `JsonSerializable <https://www.php.net/jsonserializable>`_ and
`Serializable <https://www.php.net/serializable>`_.
TypeInterface ensures consistency in typed values returned by ramsey/uuid.
.. php:method:: toString()
:returntype: ``string``
.. php:method:: __toString()
:returntype: ``string``
.. php:class:: NumberInterface
Implements :php:interface:`Ramsey\\Uuid\\Type\\TypeInterface`.
NumberInterface ensures consistency in numeric values returned by ramsey/uuid.
.. php:method:: isNegative()
:returns: True if this number is less than zero, false otherwise.
:returntype: ``bool``
.. php:class:: Decimal
Implements :php:interface:`Ramsey\\Uuid\\Type\\NumberInterface`.
A value object representing a decimal, for type-safety purposes, to ensure
that decimals returned from ramsey/uuid methods as strings are truly
decimals and not some other kind of string.
To support values as true decimals and not as floats or doubles, we store
the decimals as strings.
.. php:class:: Hexadecimal
Implements :php:interface:`Ramsey\\Uuid\\Type\\TypeInterface`.
A value object representing a hexadecimal number, for type-safety purposes,
to ensure that hexadecimal numbers returned from ramsey/uuid methods as
strings are truly hexadecimal and not some other kind of string.
.. php:class:: Integer
Implements :php:interface:`Ramsey\\Uuid\\Type\\NumberInterface`.
A value object representing an integer, for type-safety purposes, to ensure
that integers returned from ramsey/uuid methods as strings are truly
integers and not some other kind of string.
To support large integers beyond ``PHP_INT_MAX`` and ``PHP_INT_MIN`` on both
64-bit and 32-bit systems, we store the integers as strings.
.. php:class:: Time
Implements :php:interface:`Ramsey\\Uuid\\Type\\TypeInterface`.
A value object representing a timestamp, for type-safety purposes, to ensure
that timestamps used by ramsey/uuid are truly timestamp integers and not
some other kind of string or integer.
.. php:method:: getSeconds()
:returntype: :php:class:`Ramsey\\Uuid\\Type\\Integer`
.. php:method:: getMicroseconds()
:returntype: :php:class:`Ramsey\\Uuid\\Type\\Integer`
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