<?php
 include('include/include.php');
   
    
                  if($_POST['type']==1)
                  {
                     $select_study = executework("select invoice from student_fee order by id desc limit 1 ");
         
          
               
                $srow = mysqli_fetch_array($select_study);

                $invoice = $srow['invoice'];
                $value = (int) $invoice + 1; 
                $val = sprintf('%06d', $value);
                $invoice_value = $_POST['Branch'].'-'.$val;
                echo  $invoice_value;
           
                  }
                ?>