loop through records in excel and update specific rows in mysql database with values from the excel file in php

Question

Hello am trying to update rows in my savings table but getting values from an excel file using a primary key as account_id which both the file and the table.My code does not execute like expected

   if(isset($_POST['import'])){
       $filename = explode(".", $_FILES["file"]["name"]);
       if ($filename[1]=="csv") {
           $file = $_FILES['file']['tmp_name'];
           $openFile = fopen($file,'r');

           while ($dataFile = fgetcsv($openFile,3000,",")) {
               $acc = $dataFile[0];
               $amount_deposited = $dataFile[2];
               $recovered_amount = $dataFile[3];

               /*update balances */
               $insert = "UPDATE savings SET balance = balance+'$amount_deposited' WHERE account_id ='$acc'";
               $run_insert = mysql_query($insert);

               $insert = "INSERT INTO transactions values('','$acc','Saving','$recovered_amount','',now(),'')";
               $run_insert = mysql_query($insert);
          }
          echo "<div id='alert'>Successfully ADDED</div>";
       } else {
          echo "You must choose a CSV file to import";
       }
    }

Answer 1

This worked,Thanks guys

              while ($dataFile = fgetcsv($openFile,3000,",")) {
               $acc = $dataFile[0];
                $amount_deposited = $dataFile[1];

               /*update balances */

               $insert = "UPDATE savings SET balance = balance+".intval($amount_deposited)." WHERE account_id ='$acc'";
               $run_insert = mysql_query($insert);

              $insert2 = "INSERT INTO trans values('','$amount_deposited',now(),'$acc')";
               $run_insert = mysql_query($insert2);
               }
              echo "<div id='alert'>Successfully ADDED</div>";
            }
            else{
              echo "You must choose a CSV file to import";
            }
          }