Undefined variable -- kacırdığım bir yer mi var

$sonhasilat=$hasilat + $gecicihasilat;
-$sonadet= $geciciadet + $adet;

function rapor ($db){
    $sorgu="select * from rapor where YEARWEEK(tarih)= YEARWEEK(CURRENT_DATE)";
    $son=$this->benimsorgum($db,$sorgu);
    echo'    <table class="table text-center table-light table-striped col-md-8">
                      <thead>
            <tr class="table-warning">
                    <th > bugün</th>
                    <th > Dün</th>
                    <th > bu hafta</th>
                     <th > bu ay</th>
                      <th > bu zamanlar</th>
                       <th > input </th>
                    <th > buton</th>
            </tr>
            </thead>
            <tbody>
                <tr>
                    <td colspan="4">
                    <table class="table text-center table-bordered col-md-12"
                    
                    
              <thead>
                   <tr >
                    <th colspan="4"> Masa Adet ve HASILAT</th>
                    
                </tr>
            </thead>
            <thead>
                   <tr >
                    <th > AD</th>
                    <th > ADET</th>
                    <th > HASILAT</th>
                    
                </tr>
            </thead>
    
                   <tbody>';
                
                  while($sonveri=$son->fetch(PDO::FETCH_ASSOC)):
                   $masaid=$sonveri["masaid"];
                            $sorgu2="select * from masalar where id=$masaid";
                            $son2=$this->benimsorgum($db,$sorgu2);
                            $sonmasalar=$son2->fetch(PDO::FETCH_ASSOC);
                            $masaad=$sonmasalar["ad"];
                                    $sorgu3="select * from  gecicimasa where masaid=$masaid";
                                       $son3=$this->benimsorgum($db,$sorgu3);
                                    $gecicimasa=$son3->fetch(PDO::FETCH_ASSOC);
                                    if($son3->rowCount()==0):
                                    $urunfiyat=$sonveri["urunfiyat"];
                                    $adet=$sonveri["adet"];
                                    $hasilat=$urunfiyat * $adet;
                                        $son4=$db->prepare("insert into  gecicimasa (masaid,masaad,hasilat,adet) VALUES (?,?,?,?)");
                                        $son4->bindParam(1,$masaid,PDO::PARAM_INT);
                                        $son4->bindParam(2,$masaad,PDO::PARAM_STR);
                                        $son4->bindParam(3,$hasilat,PDO::PARAM_INT);
                                        $son4->bindParam(4,$adet,PDO::PARAM_INT);
                                        $son4->execute();
                                        
                                        
                                    else:
                                    $gecicihasilat=$gecicimasa["hasilat"];
                                    $geciciadet=$gecicimasa["adet"];
                                    $sonhasilat=$hasilat + $gecicihasilat;
                                    $sonadet= $geciciadet + $adet;
                                    
                                    $sorgu4="update  gecicimasa set hasilat=$sonhasilat ,adet=$sonadet where masaid=$masaid";                                                            $son5=$this->benimsorgum($db,$sorgu4);
                                    endif;
                  endwhile;
                  
                               $sorgu6="select * from gecicimasa";
                            $son6=$this->benimsorgum($db,$sorgu6);
                            
                            $bosadet=0;
                            $bosfiyat=0;
                     
                            while($sonveri6=$son6->fetch(PDO::FETCH_ASSOC)):
                            echo'<tr >
                                <td > '.$sonveri6["masaad"].'</td>
                                <td > '.$sonveri6["adet"].'</td>
                                <td > '.$sonveri6["hasilat"].'</td>
                                
                                </tr>';
                                $bosadet=$bosadet + $sonveri6["adet"];
                                    $bosfiyat=$bosfiyat + $sonveri6["hasilat"];
                            endwhile;
                            echo'<tr >
                                <td class="bg-danger"> Toplam</td>
                                <td > '.$bosadet.'</td>
                                <td > '.$bosfiyat.'</td>
                                
                                
                                </tr>';
                
               ' </tbody>
                </table>';
    
    
    }