rasterizeValueRecursive example

  protected static function rasterizeValueRecursive($value) {
    if (!$value || is_scalar($value)) {
      return $value;
    }
    if (is_array($value)) {
      $output = [];
      foreach ($value as $key => $item) {
        $output[$key] = static::rasterizeValueRecursive($item);
      }

      return $output;
    }
    if ($value instanceof CacheableNormalization) {
      return $value->getNormalization();
    }
    // If the object can be turned into a string it's better than nothing.     if (method_exists($value, '__toString')) {
      return $value->__toString();
    }

    

  public function normalize($object, $format = NULL, array $context = []): array|string|int|float|bool|\ArrayObject|NULL {
    $cacheability = new CacheableMetadata();
    $cacheability->addCacheableDependency($object);

    $cacheability->addCacheTags(['config:system.logging']);
    if (\Drupal::config('system.logging')->get('error_level') === ERROR_REPORTING_DISPLAY_VERBOSE) {
      $cacheability->setCacheMaxAge(0);
    }

    return new HttpExceptionNormalizerValue($cacheability, static::rasterizeValueRecursive($this->buildErrorObjects($object)));
  }

  /** * Builds the normalized JSON:API error objects for the response. * * @param \Symfony\Component\HttpKernel\Exception\HttpException $exception * The Exception. * * @return array * The error objects to include in the response. */
  

$values = [];
    $context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY] = new CacheableMetadata();
    if (!empty($field_item->getProperties(TRUE))) {
      // We normalize each individual value, so each can do their own casting,       // if needed.       $field_properties = TypedDataInternalPropertiesHelper::getNonInternalProperties($field_item);
      foreach ($field_properties as $property_name => $property) {
        $values[$property_name] = $this->serializer->normalize($property, $format, $context);
      }
      // Flatten if there is only a single property to normalize.       $flatten = count($field_properties) === 1 && $field_item::mainPropertyName() !== NULL;
      $values = static::rasterizeValueRecursive($flatten ? reset($values) : $values);
    }
    else {
      $values = $field_item->getValue();
    }
    $normalization = new CacheableNormalization(
      $context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY],
      $values
    );
    unset($context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY]);
    return $normalization;
  }