Enrollment Number Name Present "; $data_excel = array(); $idx=0; while($row = mysqli_fetch_array($result,MYSQLI_ASSOC)) { echo ""; echo "" . $row['enroll_num'] . ""; //Query to fetch Student's Name from Main STUDENT_RECORD DATABASE $query_name="SELECT stud_first_name FROM `student_record` WHERE enrollment_no=".$row['enroll_num'].""; $result_name=mysqli_query($conn_name,$query_name); $final_name = mysqli_fetch_array($result_name,MYSQLI_ASSOC); if(isset($final_name['stud_first_name'])) echo "" . $final_name['stud_first_name'] . ""; else echo ""; echo""; if($row['is_present']==1) echo "" . $row['is_present'] . ""; else echo "" . $row['is_present'] . ""; $data_excel[$idx]=array(); $data_excel[$idx]['enrollment_number']=$row['enroll_num']; if(isset($final_name['stud_first_name'])) $data_excel[$idx]['Student Name']=$final_name['stud_first_name']; if(!isset($final_name['stud_first_name'])) $data_excel[$idx]['Student Name']=" "; if($row['is_present']==1) $data_excel[$idx]['Present']="Present"; if($row['is_present']==0) $data_excel[$idx]['Present']="Absent"; $idx=$idx+1; echo ""; } $xlsx = Shuchkin\SimpleXLSXGen::fromArray( $data_excel); echo""; if(isset($_POST['butt'])) $xlsx->downloadAs('books.xlsx'); ?>