void
ion\Timestamp::__construct(ion\Timestamp\Precision|int
$precision, [ion\Timestamp\Format|string
|null
$format = NULL
, [?string
$datetime = NULL
, [DateTimeZone
|string
|null
$timezone = NULL
]]])Create a new ION timestamp.
int
$precision#string
|null
$format# = NULL
string
$datetime# = NULL
DateTimeZone
|string
|null
$timezone# = NULL