function field_reference_field_validate in Field reference 7

Implements hook_field_validate().

File

./field_reference.module, line 265

Defines a field type for referencing a field from another.

Code

function field_reference_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
  foreach ($items as $delta => $item) {
    if (is_array($item) && !empty($item['value'])) {

      // Get the allowed values for this field.
      $options = array(
        'prevent_label' => TRUE,
      );
      $refs = field_reference_potential_references($field, $instance, $options);

      // Check if $item['value'] is a key in that list.
      if (!isset($refs[$item['value']])) {
        $errors[$field['field_name']][$langcode][$delta][] = array(
          'error' => 'invalid_value',
          'message' => t("%name: invalid input.", array(
            '%name' => $instance['label'],
          )),
        );
      }
    }
  }
}