/**
* Constructs Timezone
*
* @internal
*
* @param mixed $value The timezone value
*
* @throws DomainException When the value is not a valid timezone
*/
private function __construct($value)
{
if (!Test::isTimezone($value)) {
$message = sprintf('Invalid timezone: %s', VarPrinter::toString($value));
throw DomainException::create($message);
}
if ($value instanceof DateTimeZone) {
$value = $value->getName();
}
$this->value = (string) $value;
}
/**
* Creates instance from a timestamp and timezone
*
* @param int $timestamp The timestamp
* @param int $micro The microsecond
* @param string|null $timezone The timezone string or null for default
*
* @return DateTime
*/
public static function fromTimestamp($timestamp, $micro = 0, $timezone = null)
{
$timezone = $timezone === null ? date_default_timezone_get() : (string) $timezone;
assert(Test::isTimezone($timezone), sprintf('Invalid timezone: %s', $timezone));
$time = sprintf('%d.%06d', (int) $timestamp, (int) $micro);
$dateTime = DateTimeImmutable::createFromFormat('U.u', $time, new DateTimeZone('UTC'));
$dateTime = $dateTime->setTimezone(new DateTimeZone($timezone));
$year = (int) $dateTime->format('Y');
$month = (int) $dateTime->format('n');
$day = (int) $dateTime->format('j');
$hour = (int) $dateTime->format('G');
$minute = (int) $dateTime->format('i');
$second = (int) $dateTime->format('s');
$micro = (int) $dateTime->format('u');
return new self(Date::create($year, $month, $day), Time::create($hour, $minute, $second, $micro), Timezone::create($timezone));
}
/**
* Creates instance from a timestamp and timezone
*
* @param int $timestamp The timestamp
* @param string|null $timezone The timezone string or null for default
*
* @return Date
*/
public static function fromTimestamp($timestamp, $timezone = null)
{
$timezone = $timezone === null ? date_default_timezone_get() : (string) $timezone;
assert(Test::isTimezone($timezone), sprintf('Invalid timezone: %s', $timezone));
$time = sprintf('%d', (int) $timestamp);
$dateTime = DateTimeImmutable::createFromFormat('U', $time, new DateTimeZone('UTC'));
$dateTime = $dateTime->setTimezone(new DateTimeZone($timezone));
$year = (int) $dateTime->format('Y');
$month = (int) $dateTime->format('n');
$day = (int) $dateTime->format('j');
return new self($year, $month, $day);
}
