1.20.x field.api.php hook_field_language_alter(&$display_language, $context)

Perform alterations on field_language() values.

This hook is invoked to alter the array of display languages for the given entity.

Parameters

$display_language: A reference to an array of language codes keyed by field name.

$context: An associative array containing:

  • entity_type: The type of the entity to be displayed.
  • entity: The entity with fields to render.
  • langcode: The language code $entity has to be displayed in.

Related topics

Field Attach API Operate on Field API data attached to Backdrop entities. Field Language API Handling of multilingual fields. Hooks Allow modules to interact with the Backdrop core.

File

modules/field/field.api.php, line 1579
Hooks provided by the Field module.

Code

function hook_field_language_alter(&$display_language, $context) {
  // Do not apply core language fallback rules if they are disabled or if Locale
  // is not registered as a translation handler.
  if (config_get('locale.settings', 'field_language_fallback') && field_has_translation_handler($context['entity_type'], 'locale')) {
    locale_field_language_fallback($display_language, $context['entity'], $context['language']);
  }
}