레코드 중복 그룹출력

$result = array();
$result_item = array();
$yangdo_step = 0;
$total = count($yangdos);
$cnt = 0;
foreach ($yangdos as $key)
{
    $cnt++;
   
    if($key->yp_yangdo_id != $yangdo_step)
    {
       
        if($yangdo_step)
        {
            $result[] = $result_item;
        }
       
        $yangdo_step = $key-> yp_yangdo_id;
       
        $result_item = array();
        $result_item[ "yangdo_id"] = $key-> yangdo_id;
        $result_item[ "performanc_type"][] = $key-> performance_type;
        $result_item[ "performance"][] = $key-> performance;
        $result_item[ "year3"][] = $key-> year3;
        $result_item[ "year2"][] = $key-> year2;
        $result_item[ "year1"][] = $key-> year1;
        $result_item[ "year3_total"][] = $key-> year3_total;
        $result_item[ "incorporation"] = $key-> incorporation;
        $result_item[ "capital"] = $key-> capital;
        $result_item[ "biz_address"] = $key-> biz_address;
        $result_item[ "hope_transferable"] = $key->hope_transferable ;
    }
    else
    {
        $result_item[ "performanc_type"][] = $key-> performance_type;
        $result_item[ "performance"][] = $key-> performance;
        $result_item[ "year3"][] = $key-> year3;
        $result_item[ "year2"][] = $key-> year2;
        $result_item[ "year1"][] = $key-> year1;
        $result_item[ "year3_total"][] = $key-> year3_total;
    }
   
   
    if($cnt == $total)
    {
        $result [] = $result_item;
    }
}