function field_default_view in Drupal 7

Builds a renderable array for one field on one entity instance.

Parameters

$entity_type: The type of $entity; e.g. 'node' or 'user'.

$entity: A single object of type $entity_type.

$field: The field structure for the operation.

$instance: An array containing each field on $entity's bundle.

$langcode: The language associated to $items.

$items: Array of field values already loaded for the entities, keyed by entity id.

$display: Can be either:

• the name of a view mode;
• or an array of custom display settings, as found in the 'display' entry of $instance definitions.

2 invocations of field_default_view()

field_attach_view in modules/field/field.attach.inc

Returns a renderable array for the fields on an entity.

field_view_field in modules/field/field.module

Returns a renderable array for the value of a single field in an entity.

File

modules/field/field.default.inc, line 191

Default 'implementations' of hook_field_*(): common field housekeeping.

Code

function field_default_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
  list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
  $addition = array();

  // Prepare incoming display specifications.
  if (is_string($display)) {
    $view_mode = $display;
    $display = field_get_display($instance, $view_mode, $entity);
  }
  else {
    $view_mode = '_custom_display';
  }
  if ($display['type'] !== 'hidden') {

    // Calling the formatter function through module_invoke() can have a
    // performance impact on pages with many fields and values.
    $function = $display['module'] . '_field_formatter_view';
    if (function_exists($function)) {
      $elements = $function($entity_type, $entity, $field, $instance, $langcode, $items, $display);
      if ($elements) {
        $info = array(
          '#theme' => 'field',
          '#weight' => $display['weight'],
          '#title' => $instance['label'],
          '#access' => field_access('view', $field, $entity_type, $entity),
          '#label_display' => $display['label'],
          '#view_mode' => $view_mode,
          '#language' => $langcode,
          '#field_name' => $field['field_name'],
          '#field_type' => $field['type'],
          '#field_translatable' => $field['translatable'],
          '#entity_type' => $entity_type,
          '#bundle' => $bundle,
          '#object' => $entity,
          '#items' => $items,
          '#formatter' => $display['type'],
        );
        $addition[$field['field_name']] = array_merge($info, $elements);
      }
    }
  }
  return $addition;
}