function _token_field_label in Token 8

Returns the label of a certain field.

Therefore it looks up in all bundles to find the most used instance.

Based on views_entity_field_label().

@todo Resync this method with views_entity_field_label().

1 call to _token_field_label()

field_token_info_alter in ./token.tokens.inc

Implements hook_token_info_alter() on behalf of field.module.

File

./token.tokens.inc, line 1653

Token callbacks for the token module.

Code

function _token_field_label($entity_type, $field_name) {
  $labels = [];

  // Count the amount of instances per label per field.
  foreach (array_keys(\Drupal::service('entity_type.bundle.info')
    ->getBundleInfo($entity_type)) as $bundle) {
    $bundle_instances = \Drupal::service('entity_field.manager')
      ->getFieldDefinitions($entity_type, $bundle);
    if (isset($bundle_instances[$field_name])) {
      $instance = $bundle_instances[$field_name];
      $label = (string) $instance
        ->getLabel();
      $labels[$label] = isset($labels[$label]) ? ++$labels[$label] : 1;
    }
  }
  if (empty($labels)) {
    return [
      $field_name,
    ];
  }

  // Sort the field labels by it most used label and return the labels.
  arsort($labels);
  return array_keys($labels);
}