->orWhere(function($query){

                    $parentInfo = Input::get("parent-info");

                    if ( $parentInfo == "parent-phone" ) {
                        $query->where('parents.parent_phone');
                    }

                    if ( $parentInfo == "parent-email" ) {
                        $query->where('parents.parent_email');
                    }

                    if ( $parentInfo == "parent-address" ) {
                        $query->where('parents.parent_address');
                    }

                    if ( $parentInfo == "parent-office-address" ) {
                        $query->where('parents.parent_office_address');
                    }
}