function _link_process

Prepares the item attributes and URL for storage.

File

core/modules/link/link.module, line 386

Defines simple link field types.

Code

function _link_process(&$item, $delta, $field, $entity) {
  // Trim whitespace from URL.
  if (!empty($item['url'])) {
    $item['url'] = trim($item['url']);
  }

  // If no attributes are set then make sure $item['attributes'] is an empty
  // array, so $field['attributes'] can override it.
  if (empty($item['attributes'])) {
    $item['attributes'] = array();
  }

  // Serialize the attributes array.
  if (!is_string($item['attributes'])) {
    $item['attributes'] = serialize($item['attributes']);
  }

  // Don't save an invalid default value (e.g. 'http://').
  if ((isset($field['widget']['default_value'][$delta]['url']) && $item['url'] == $field['widget']['default_value'][$delta]['url']) && is_object($entity)) {
    if (!link_validate_url($item['url'])) {
      unset($item['url']);
    }
  }
}