/** * 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::$_fieldKeys = array('id' => 'id', 'name' => 'name', 'title' => 'title', 'extends' => 'extends', 'extends_entity_column_id' => 'extends_entity_column_id', 'extends_entity_column_value' => 'extends_entity_column_value', 'style' => 'style', 'collapse_display' => 'collapse_display', 'help_pre' => 'help_pre', 'help_post' => 'help_post', 'weight' => 'weight', 'is_active' => 'is_active', 'table_name' => 'table_name', 'is_multiple' => 'is_multiple', 'min_multiple' => 'min_multiple', 'max_multiple' => 'max_multiple', 'collapse_adv_display' => 'collapse_adv_display', 'created_id' => 'created_id', 'created_date' => 'created_date', 'is_reserved' => 'is_reserved'); } return self::$_fieldKeys; }