function hook_field_display_ENTITY_TYPE_alter

Alters the display settings of a field on a given entity type before it gets displayed.

Modules can implement hook_field_display_ENTITY_TYPE_alter() to alter display settings for fields on a specific entity type, rather than implementing hook_field_display_alter().

This hook is called once per field per displayed entity. If the result of the hook involves reading from the database, it is highly recommended to statically cache the information.

Parameters

$display: The display settings that will be used to display the field values, as found in the 'display' key of $instance definitions.

$context: An associative array containing:

  • entity_type: The entity type; e.g., 'node' or 'user'.
  • field: The field being rendered.
  • instance: The instance being rendered.
  • entity: The entity being rendered.
  • view_mode: The view mode, e.g. 'full', 'teaser'...

See also

hook_field_display_alter()

Related topics

Field Types API
Define field types.
Hooks
Allow modules to interact with the Drupal core.
1 function implements hook_field_display_ENTITY_TYPE_alter()

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

node_field_display_node_alter in drupal/modules/node/node.module
Implements hook_field_display_ENTITY_TYPE_alter().

File

drupal/modules/field/field.api.php, line 2401
Hooks provided by the Field module.

Code

function hook_field_display_ENTITY_TYPE_alter(&$display, $context) {

  // Leave field labels out of the search index.
  if ($context['view_mode'] == 'search_index') {
    $display['label'] = 'hidden';
  }
}