public function testFormat()
{
$dtf = new DateHandler();
$iso8601DateIntervalString = $dtf->format(new \DateInterval('PT45M'));
$this->assertEquals($iso8601DateIntervalString, 'PT45M');
$iso8601DateIntervalString = $dtf->format(new \DateInterval('P2YT45M'));
$this->assertEquals($iso8601DateIntervalString, 'P2YT45M');
$iso8601DateIntervalString = $dtf->format(new \DateInterval('P2Y4DT6H8M16S'));
$this->assertEquals($iso8601DateIntervalString, 'P2Y4DT6H8M16S');
}
/**
* {@inheritdoc}
*/
public function deserializeDateTimeFromJson(JsonDeserializationVisitor $visitor, $data, array $type)
{
// Handle empty or invalid date / datetime values.
if ('' === $data || null === $data || strpos($data, '0000-00-00') !== false) {
return null;
}
// We want to always show the response in the UTC timezone.
$dateTime = parent::deserializeDateTimeFromJson($visitor, $data, $type);
if ($dateTime instanceof \DateTime) {
$dateTime->setTimezone(new \DateTimeZone('UTC'));
}
return $dateTime;
}
/**
* @param string $defaultFormat
* @param string $defaultTimezone
*/
public function __construct($defaultFormat = DateTime::ISO8601, $defaultTimezone = 'UTC')
{
$this->format = $defaultFormat;
$this->timezone = new DateTimeZone($defaultTimezone);
parent::__construct($defaultFormat, $defaultTimezone);
}
public static function getSubscribingMethods()
{
$methods = parent::getSubscribingMethods();
$methods[] = array('type' => 'DateTime', 'direction' => GraphNavigator::DIRECTION_DESERIALIZATION, 'format' => 'array');
return $methods;
}
