protected function entries_rel($entry_id, $field, $field_data)
{
if (is_null($this->entries_rel_data))
{
$query = ee()->db->select('rel_child_id, rel_id')
->where('rel_parent_id', $entry_id)
->get('relationships');
$this->entries_rel_data = array();
foreach ($query->result() as $row)
{
$this->entries_rel_data[$row->rel_id] = (int) $row->rel_child_id;
}
$query->free_result();
}
if ( ! isset($this->entries_rel_data[$field_data]))
{
return NULL;
}
return $this->entries_rel_data[$field_data];
}