public function FieldsHelper::retrieveNestedProperty in Search API 8

Retrieves a nested property from a list of properties.

Parameters

\Drupal\Core\TypedData\DataDefinitionInterface[] $properties: The base properties, keyed by property name.

string $propertyPath: The property path of the property to retrieve.

Return value

\Drupal\Core\TypedData\DataDefinitionInterface|null The requested property, or NULL if it couldn't be found.

Overrides FieldsHelperInterface::retrieveNestedProperty

File

src/Utility/FieldsHelper.php, line 354

Class

FieldsHelper

Provides helper methods for dealing with Search API fields and properties.

Namespace

Drupal\search_api\Utility

Code

public function retrieveNestedProperty(array $properties, $propertyPath) {
  list($key, $nestedPath) = Utility::splitPropertyPath($propertyPath, FALSE);
  if (!isset($properties[$key])) {
    return NULL;
  }
  $property = $this
    ->getInnerProperty($properties[$key]);
  if ($nestedPath === NULL) {
    return $property;
  }
  if (!$property instanceof ComplexDataDefinitionInterface) {
    return NULL;
  }
  return $this
    ->retrieveNestedProperty($this
    ->getNestedProperties($property), $nestedPath);
}