function relation_add_get_relation in Relation add 7

Entity property info getter callback for the relations.

1 string reference to 'relation_add_get_relation'

relation_add_entity_property_info_alter in ./relation_add.module

Implements hook_entity_property_info_alter().

File

./relation_add.module, line 1319

Relation Add module file.

Code

function relation_add_get_relation($entity, array $options, $property_name, $entity_type, $info) {
  $field = field_info_field($property_name);
  $langcode = field_language($entity_type, $entity, $property_name, isset($options['language']) ? $options['language']->language : NULL);
  $values = array();
  if (isset($entity->{$property_name}[$langcode])) {
    foreach ($entity->{$property_name}[$langcode] as $delta => $data) {

      // Wrappers do not support multiple entity references being revisions or
      // not yet saved entities. In the case of a single reference we can return
      // the entity object though.
      if ($field['cardinality'] == 1) {
        $values[$delta] = relation_load($data);
      }
      elseif (isset($data['rid'])) {
        $values[$delta] = $data['rid'];
      }
    }
  }

  // For an empty single-valued field, we have to return NULL.
  return $field['cardinality'] == 1 ? $values ? reset($values) : NULL : $values;
}