JezK

Edit File: excel_download.php

<?php
session_start();
include('connect.php');
$total_marks=array();
$names="select c.class_name,s.section_name from ced_t_class c join ced_t_sections s on c.class_id=s.class_id where c.class_id=".$_REQUEST['classname']." and s.section_id=".$_REQUEST['sectionname'];
$getname=mysql_query($names);
$resnames=mysql_fetch_array($getname);

$exm="select exam_name from ced_t_exam_names where exam_id=".$_REQUEST['examname'];
$exmname=mysql_query($exm);
$exname=mysql_fetch_array($exmname);

$sql="select s.subject_name,et.total_marks from `ced_t_exam_timetable` et inner join `ced_t_subjects` s on et.subject_id=s.subject_id where exam_id=".$_REQUEST['examname']." and class_id=".$_REQUEST['classname']." and section_id=".$_REQUEST['sectionname']." order by timetable_id";
$exe=mysql_query($sql);
$nosub=mysql_num_rows($exe);

//echo $sql_income."<br>";
function xlsBOF() {
echo pack("ssssss", 0x809, 0x8, 0x0, 0x10, 0x0, 0x0);
return;
}
function xlsEOF() {
echo pack("ss", 0x0A, 0x00);
return;
}
function xlsWriteNumber($Row, $Col, $Value) {
echo pack("sssss", 0x204, 14, $Row, $Col, 0x0);
echo pack("d", $Value);
return;
}
function xlsWriteLabel($Row, $Col, $Value ) {
$L = strlen($Value);
echo pack("ssssss", 0x204, 8 + $L, $Row, $Col, 0x0, $L);
echo $Value;
return;
}

// Unique file name with datetime
$file_name = "student_marks";
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Content-Type: application/force-download");
header("Content-Type: application/octet-stream");
header("Content-Type: application/download");
header("Content-Disposition: attachment;filename=$file_name.xls ");
header("Content-Transfer-Encoding: binary ");
xlsBOF();
// Top of the excel sheet to write header first line
xlsWriteLabel(0,0,"Class");
xlsWriteLabel(0,1,$resnames['class_name']);
xlsWriteLabel(0,2,"Section");
xlsWriteLabel(0,3,$resnames['section_name']);
xlsWriteLabel(0,4,"Exam Name");
xlsWriteLabel(0,5,$exname['exam_name']);

// headers second line

xlsWriteLabel(1,0,"");
xlsWriteLabel(1,1,"");
if($nosub)
{
	$i=0;
	$j=3;
	while($res=mysql_fetch_array($exe))
	{		
		xlsWriteLabel(1,$j,$res['subject_name']);
		xlsWriteLabel(1,$j+1,"");
		xlsWriteLabel(1,$j+2,"");	
		$total_marks[$i]=$res['total_marks'];		
		$j=$j+3;
		$i++;		
	}
	xlsWriteLabel(1,$j-1,"Grades/Rank");
}

// headers third line

xlsWriteLabel(2,0,"Roll Number");
xlsWriteLabel(2,1,"Student Name");
for($i=1,$j=2;$i<=$nosub;$i++)
{	
	xlsWriteLabel(2,$j,"Total Marks");
	xlsWriteLabel(2,$j+1,"Secured Marks*");
	xlsWriteLabel(2,$j+2,"Status*");
	$j=$j+3;
}

$qry="select student_rollno,student_firstname,student_lastname from ced_t_students where class_id=".$_REQUEST['classname']." and section_id=".$_REQUEST['sectionname'];
$execute=mysql_query($qry);
if(mysql_num_rows($execute))
{
	$row=3;
	$subs=2;
	while($rec=mysql_fetch_array($execute))
	{
		$stdname=$rec['student_firstname'].' '.$rec['student_lastname'];
		xlsWriteLabel($row,0,$rec['student_rollno']);
		xlsWriteLabel($row,1,$stdname);
		for($i=0;$i<$nosub;$i++)
		{
			xlsWriteLabel($row,$subs,$total_marks[$i]);
			xlsWriteLabel($row,$subs+1,"");
			xlsWriteLabel($row,$subs+2,"");
			$subs=$subs+3;		
		}
		$row++;
		$subs=2;	
	}
}
xlsEOF();
exit();