formatDate example

  protected function buildDate(DrupalDateTime $date) {
    $this->setTimeZone($date);

    $build = [
      '#markup' => $this->formatDate($date),
      '#cache' => [
        'contexts' => [
          'timezone',
        ],
      ],
    ];

    return $build;
  }

  /** * Creates a render array from a date object with ISO date attribute. * * @param \Drupal\Core\Datetime\DrupalDateTime $date * A date object. * * @return array * A render array. */

return $form;
  }

  /** * {@inheritdoc} */
  public function settingsSummary() {
    $summary = parent::settingsSummary();

    $date = new DrupalDateTime();
    $summary[] = $this->t('Format: @display', ['@display' => $this->formatDate($date)]);

    return $summary;
  }

}

if ($nestedAggregation) {
                $nested = $this->hydrateAggregation($nestedAggregation, $bucket[$nestedAggregation->getName()], $context);
            }

            $key = $bucket['key'][$aggregation->getName() . '.key'];

            $date = new \DateTime($key);

            if ($dateFormat = $aggregation->getFormat()) {
                $value = $date->format($dateFormat);
            } else {
                $value = EntityAggregator::formatDate($aggregation->getInterval(), $date);
            }

            $buckets[] = new Bucket($value, $bucket['doc_count'], $nested);
        }

        return new DateHistogramResult($aggregation->getName(), $buckets);
    }

    private function hydrateTermsAggregation(TermsAggregation $aggregation, array $result, Context $context): ?TermsResult
    {
        if ($aggregation->getSorting()) {
            

/** * @return array */
    private function buildData(AnalyzedCustomer $customer)
    {
        $data = [
            'id' => $customer->getId(),
            'email' => $customer->getEmail(),
            'active' => $customer->getActive(),
            'accountmode' => $customer->getAccountMode(),
            'firstlogin' => $this->formatDate($customer->getFirstLogin()),
            'newsletter' => $customer->isNewsletter(),
            'shop_id' => $customer->getShopId(),
            'default_billing_address_id' => $customer->getDefaultBillingAddressId(),
            'title' => $customer->getTitle(),
            'salutation' => $customer->getSalutation(),
            'firstname' => $customer->getFirstname(),
            'lastname' => $customer->getLastname(),
            'birthday' => $this->formatDate($customer->getBirthday()),
            'customernumber' => $customer->getNumber(),
            'customer_group_id' => $customer->getCustomerGroup() ? $customer->getCustomerGroup()->getId() : null,
            'customer_group_name' => $customer->getCustomerGroup() ? $customer->getCustomerGroup()->getName() : '',
            

/** * {@inheritdoc} */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];

    foreach ($items as $delta => $item) {
      $date = $item->date;
      $output = [];
      if (!empty($item->date)) {
        $output = $this->formatDate($date);
      }
      $elements[$delta] = $output;
    }

    return $elements;
  }

  /** * Formats a date/time as a time interval. * * @param \Drupal\Core\Datetime\DrupalDateTime|object $date * A date/time object. * * @return array * The formatted date/time string using the past or future format setting. */

$product->setCategoryIds($categories[$id]);
            }
            if (isset($properties[$id])) {
                $product->setProperties($properties[$id]);
            }

            if (isset($manualPositions[$id])) {
                $product->setManualSorting($manualPositions[$id]);
            }

            $product->setFormattedCreatedAt(
                $this->formatDate($product->getCreatedAt())
            );
            $product->setFormattedUpdatedAt(
                $this->formatDate($product->getUpdatedAt())
            );
            $product->setFormattedReleaseDate(
                $this->formatDate($product->getReleaseDate())
            );
            $product->addAttributes(
                $this->parseAttributes($product->getAttributes())
            );

            

$nested = null;

            if ($aggregation->getAggregation()) {
                $nested = $this->hydrateResult($aggregation->getAggregation(), $definition, $group['buckets'], $context);
            }

            $date = new \DateTime($value);

            if ($aggregation->getFormat()) {
                $value = $date->format($aggregation->getFormat());
            } else {
                $value = self::formatDate($aggregation->getInterval(), $date);
            }

            $buckets[] = new Bucket($value, $count, $nested);
        }

        return new DateHistogramResult($aggregation->getName(), $buckets);
    }

    /** * @param array<array<string, mixed>> $rows */