/**
* Returns an array containing, for each field, the arary key used for that
* field in self::$_fields.
*
* @access public
* @return array
*/
static function &fieldKeys()
{
if (!self::$_fieldKeys) {
self::$_fieldKeys = array('id' => 'id', 'set_id' => 'set_id', 'label' => 'label', 'price' => 'price', 'max_size' => 'max_size', 'unit_id' => 'unit_id', 'weight' => 'weight', 'is_active' => 'is_active', 'is_deleted' => 'is_deleted');
}
return self::$_fieldKeys;
}
