File permission check -- File exists. File core/includes/install.inc, line 39 API functions for installing modules and themes. Code const FILE_EXIST = 1;

protected SqlContentEntityStorageSchema::getFieldIndexName(FieldStorageDefinitionInterface $storage_definition, $index) Generates an index name for a field data table. Parameters \Drupal\Core\Field\FieldStorageDefinitionInterface $storage_definition: The field storage definition. string $index: The name of the index. Return value string A string containing a generated index name for a field data table that is unique among all other fields. File core/lib/Drupal/Core/Entity/Sql/SqlContentEntity

protected SqlContentEntityStorageSchema::getEntityIndexName(ContentEntityTypeInterface $entity_type, $index) Gets the name to be used for the given entity index. Parameters \Drupal\Core\Entity\ContentEntityTypeInterface $entity_type: The entity type. string $index: The index column name. Return value string The index name. File core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php, line 1895 Class SqlContentEntityStorageSchema Defines a schema handler that supports revisionab

public TermStorageInterface::updateTermHierarchy(EntityInterface $term) Updates terms hierarchy information with the hierarchy trail of it. Parameters \Drupal\Core\Entity\EntityInterface $term: Term entity that needs to be added to term hierarchy information. File core/modules/taxonomy/src/TermStorageInterface.php, line 27 Class TermStorageInterface Defines an interface for taxonomy_term entity storage classes. Namespace Drupal\taxonomy Code public function updateTermHierarchy(EntityI

The aggregator fetcher manager. Type: \Drupal\aggregator\Plugin\AggregatorPluginManager File core/modules/aggregator/src/ItemsImporter.php, line 20 Class ItemsImporter Defines an importer of aggregator items. Namespace Drupal\aggregator Code protected $fetcherManager;

public NegotiationUrlForm::buildForm(array $form, FormStateInterface $form_state) Form constructor. Parameters array $form: An associative array containing the structure of the form. \Drupal\Core\Form\FormStateInterface $form_state: The current state of the form. Return value array The form structure. Overrides ConfigFormBase::buildForm File core/modules/language/src/Form/NegotiationUrlForm.php, line 65 Class NegotiationUrlForm Configure the URL language negotiation method for this site.

The access manager. Type: \Drupal\Core\Access\AccessManagerInterface File core/lib/Drupal/Core/Menu/LocalActionManager.php, line 83 Class LocalActionManager Provides the default local action manager using YML as primary definition. Namespace Drupal\Core\Menu Code protected $accessManager;

public DataDefinition::getConstraint($constraint_name) Returns a validation constraint. See \Drupal\Core\TypedData\DataDefinitionInterface::getConstraints() for details. Parameters string $constraint_name: The name of the constraint, i.e. its plugin id. Return value array A validation constraint definition which can be used for instantiating a \Symfony\Component\Validator\Constraint object. Overrides DataDefinitionInterface::getConstraint See also \Symfony\Component\Validator\Constraint File

public ContentEntityBase::getFields($include_computed = TRUE) Gets an array of all field item lists. Parameters bool $include_computed: If set to TRUE, computed fields are included. Defaults to TRUE. Return value \Drupal\Core\Field\FieldItemListInterface[] An array of field item lists implementing, keyed by field name. Overrides FieldableEntityInterface::getFields File core/lib/Drupal/Core/Entity/ContentEntityBase.php, line 519 Class ContentEntityBase Implements Entity Field API specific

Provides an interface for url path validators. Hierarchy interface \Drupal\Core\Path\PathValidatorInterface File core/lib/Drupal/Core/Path/PathValidatorInterface.php, line 8 Namespace Drupal\Core\Path Members Name Modifiers Type Description PathValidatorInterface::getUrlIfValid public function Returns a URL object, if the path is valid and accessible. PathValidatorInterface::getUrlIfValidWithoutAccessCheck public function Returns a URL object, if the path is vali