/**
* Returns an array containing, for each field, the arary key used for that
* field in self::$_fields.
*
* @return array
*/
static function &fieldKeys()
{
if (!self::$_fieldKeys) {
self::$_fieldKeys = array('id' => 'id', 'name' => 'name', 'label' => 'label', 'description' => 'description', 'image_URL' => 'image_URL', 'parent_id' => 'parent_id', 'is_active' => 'is_active', 'is_reserved' => 'is_reserved');
}
return self::$_fieldKeys;
}
