/**
* Get the nested associative array that is used for post
* @param array $field_names. Array of string, the field names we wish to query. Defaults to null in which we case we get all fields
* @param boolean $skip_invalid. Defaults to true in which case we skip invalid values
* @param boolean $include_id defaults to true
* @return array
*/
public function getPost($field_names = null, $skip_invalid = true, $include_id = true)
{
$post = parent::getPost($field_names, $skip_invalid, $include_id);
if (!$this->parentIsSet()) {
$post['fields']['parent'] = $this->getParent();
}
return $post;
}
