public function FieldInfo::getBundleExtraFields

Retrieves the "extra fields" for a bundle.

Parameters

$entity_type: The entity type.

$bundle: The bundle name.

Return value

The array of extra fields.

File

drupal/core/modules/field/lib/Drupal/field/FieldInfo.php, line 494

Contains \Drupal\field\FieldInfo.

Class

FieldInfo

Provides field and instance definitions for the current runtime environment.

Namespace

Code

public function getBundleExtraFields($entity_type, $bundle) {

  // Read from the "static" cache.
  if (isset($this->bundleExtraFields[$entity_type][$bundle])) {
    return $this->bundleExtraFields[$entity_type][$bundle];
  }

  // Read from the persistent cache.
  if ($cached = $this->cacheBackend
    ->get("field_info:bundle_extra:{$entity_type}:{$bundle}")) {
    $this->bundleExtraFields[$entity_type][$bundle] = $cached->data;
    return $this->bundleExtraFields[$entity_type][$bundle];
  }

  // Cache miss: read from hook_field_extra_fields(). Note: given the current
  // shape of the hook, we have no other way than collecting extra fields on
  // all bundles.
  $info = array();
  $extra = $this->moduleHandler
    ->invokeAll('field_extra_fields');
  drupal_alter('field_extra_fields', $extra);

  // Merge in saved settings.
  if (isset($extra[$entity_type][$bundle])) {
    $info = $this
      ->prepareExtraFields($extra[$entity_type][$bundle], $entity_type, $bundle);
  }

  // Store in the 'static' and persistent caches.
  $this->bundleExtraFields[$entity_type][$bundle] = $info;
  $this->cacheBackend
    ->set("field_info:bundle_extra:{$entity_type}:{$bundle}", $info, CacheBackendInterface::CACHE_PERMANENT, array(
    'field_info' => TRUE,
  ));
  return $this->bundleExtraFields[$entity_type][$bundle];
}