1 field.api.php hook_field_attach_view_alter(&$output, $context)

Perform alterations on field_attach_view() or field_view_field().

This hook is invoked after the field module has performed the operation.

Parameters

$output: The structured content array tree for all of the entity's fields.

$context: An associative array containing:

  • entity_type: The type of $entity; for example, 'node' or 'user'.
  • entity: The entity with fields to render.
  • view_mode: Display mode; for example, 'full' or 'teaser'.
  • display: Either a display mode string or an array of display settings. If this hook is being invoked from field_attach_view(), the 'display' element is set to the display mode string. If this hook is being invoked from field_view_field(), this element is set to the $display argument and the view_mode element is set to '_custom'. See field_view_field() for more information on what its $display argument contains.
  • language: The language code used for rendering.

Related topics

Field Attach API Operate on Field API data attached to Backdrop entities. Hooks Allow modules to interact with the Backdrop core.

File

core/modules/field/field.api.php, line 1559
Hooks provided by the Field module.

Code

function hook_field_attach_view_alter(&$output, $context) {
  foreach (element_children($output) as $field_name) {
    $element = &$output[$field_name];
    if ($element['#field_type'] == 'taxonomy_term_reference' && $element['#formatter'] == 'taxonomy_term_reference_link') {
      foreach ($element['#items'] as $delta => $item) {
        $term = $item['taxonomy_term'];
        $element[$delta]['#options']['attributes']['title'] = t($term->name);
      }
    }
  }
}