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field_view_value

7 field.module field_view_value($entity_type, $entity, $field_name, $item, $display = array(), $langcode = NULL)

Returns a renderable array for a single field value.

Parameters

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

$entity: The entity containing the field to display. Must at least contain the id key and the field data to display.

$field_name: The name of the field to display.

$item: The field value to display, as found in $entity->field_name[$langcode][$delta].

$display: Can be either the name of a view mode, or an array of display settings. See field_view_field() for more information.

$langcode: (Optional) The language of the value in $item. If not provided, the current language will be assumed.

Return value

A renderable array for the field value.

Related topics

1 call to field_view_value()

File

drupal/modules/field/field.module, line 794
Attach custom data fields to Drupal entities.

Code

function field_view_value($entity_type, $entity, $field_name, $item, $display = array(), $langcode = NULL) {
  $output = array();

  if ($field = field_info_field($field_name)) {
    // Determine the langcode that will be used by language fallback.
    $langcode = field_language($entity_type, $entity, $field_name, $langcode);

    // Push the item as the single value for the field, and defer to
    // field_view_field() to build the render array for the whole field.
    $clone = clone $entity;
    $clone->{$field_name}[$langcode] = array($item);
    $elements = field_view_field($entity_type, $clone, $field_name, $display, $langcode);

    // Extract the part of the render array we need.
    $output = isset($elements[0]) ? $elements[0] : array();
    if (isset($elements['#access'])) {
      $output['#access'] = $elements['#access'];
    }
  }

  return $output;
}