132      * @param mixed $data
134     private function isDataXmlNull($data): bool  argument
136         $attributes = $data->attributes('xsi', true);
141      * @param mixed $data
144 …public function deserializeDateTimeFromXml(XmlDeserializationVisitor $visitor, $data, array $type)…  argument
146         if ($this->isDataXmlNull($data)) {
150         return $this->parseDateTime($data, $type);
154      * @param mixed $data
157 …public function deserializeDateTimeImmutableFromXml(XmlDeserializationVisitor $visitor, $data, arr…  argument
159         if ($this->isDataXmlNull($data)) {
163         return $this->parseDateTime($data, $type, true);
167      * @param mixed $data
170 …public function deserializeDateIntervalFromXml(XmlDeserializationVisitor $visitor, $data, array $t…  argument
172         if ($this->isDataXmlNull($data)) {
176         return $this->parseDateInterval((string) $data);
180      * @param mixed $data
183 …public function deserializeDateTimeFromJson(JsonDeserializationVisitor $visitor, $data, array $typ…  argument
185         if (null === $data) {
189         return $this->parseDateTime($data, $type);
193      * @param mixed $data
196 …public function deserializeDateTimeImmutableFromJson(JsonDeserializationVisitor $visitor, $data, a…  argument
198         if (null === $data) {
202         return $this->parseDateTime($data, $type, true);
206      * @param mixed $data
209 …public function deserializeDateIntervalFromJson(JsonDeserializationVisitor $visitor, $data, array …  argument
211         if (null === $data) {
215         return $this->parseDateInterval($data);
219      * @param mixed $data
222     private function parseDateTime($data, array $type, bool $immutable = false): \DateTimeInterface  argument
228             $datetime = \DateTimeImmutable::createFromFormat($format, (string) $data, $timezone);
230             $datetime = \DateTime::createFromFormat($format, (string) $data, $timezone);
234 … throw new RuntimeException(sprintf('Invalid datetime "%s", expected format %s.', $data, $format));
244     private function parseDateInterval(string $data): \DateInterval  argument
248             $dateInterval = new \DateInterval($data);
250 … RuntimeException(sprintf('Invalid dateinterval "%s", expected ISO 8601 format', $data), null, $e);