search_filter=array(and,
                                array(or,
                                        array('event/title','like',$formated_search),
                                        array('event/description','like',$formated_search),
                                        array('event/text','like',$formated_search)),
                                array('event/private','!=',1),
                                array(and,
                                        array('event/from_time','<=',$time_end),
                                        array('event/to_time','>=',$time_start))
                                )