bnmbertsurhetertertertertertertertpdf'tdfg

hjkhghopjkertteerterterterertertrtoirh bnmbertsurhetertertertertertertertpdf'tdfg

<?php

include '../connection.php';

ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

$sql = "SELECT 
			cbu.id as 'id', 
			cbu.name as 'name', 
			cbu.email as 'email', 
			cbu.phone as 'phone', 
			cbu.gender  as 'gender', 
			cbu.date_of_birth  as 'date_of_birth', 
			cbu.profession  as 'profession', 
			cbb.course_id  as 'course_id', 
			cbb.paid_amount  as 'paid_amount', 
			cbc.course_name as 'course_name', 
			cbc.price as 'price', 
			cbcc.total_videos as 'total_videos', 
			cbbcc.viewed_lecture as 'viewed_lecture', 
			CASE WHEN cbbcc.viewed_lecture = cbcc.total_videos THEN 'Yes' ELSE 'No' END as 'completed_course' 
		FROM `users` as cbu
		LEFT JOIN booking as cbb on cbb.email = cbu.email
		LEFT JOIN courses as cbc on cbc.id = cbb.course_id
		LEFT JOIN (SELECT cbcc1.course_id as id, COUNT(cbcc1.course_id) as 'total_videos' FROM course_content as cbcc1 GROUP BY cbcc1.course_id) as cbcc on cbcc.id = cbb.course_id
		LEFT JOIN (SELECT cbbcc1.email as 'email', cbbcc1.course_id as 'course_id', COUNT(cbbcc1.view) as 'viewed_lecture' FROM booked_course_content as cbbcc1 GROUP by cbbcc1.email, cbbcc1.course_id) as cbbcc on cbbcc.email = cbu.email AND cbbcc.course_id = cbb.course_id
		GROUP BY cbu.email, cbb.course_id";

$query = mysqli_query($conn,$sql) OR die(mysqli_error($conn));
 
if($query->num_rows > 0){ 
    $delimiter = ","; 
    $filename = "student_data_" . date('Y-m-d-hms') . ".csv";

$f = fopen('php://memory', 'w');

$fields = array('USER ID', 'NAME', 'EMAIL', 'PHONE', 'GENDER', 'DATE OF BIRTH', 'PROFESSION', 'COURSE ID', 'COURSE NAME', 'COURSE PRICE', 'PRICE PAID', 'TOTAL VIDEOS', 'VIEWED VIDEOS', 'COMPLETED COURSE');

fputcsv($f, $fields, $delimiter); 
     
    while($row = $query->fetch_assoc()){

$lineData = array($row['id'], $row['name'], $row['email'], $row['phone'], $row['gender'], $row['date_of_birth'], $row['profession'], $row['course_id'], $row['course_name'], $row['price'], $row['paid_amount'], $row['total_videos'], $row['viewed_lecture'], $row['completed_course']); 
        fputcsv($f, $lineData, $delimiter); 
    } 
     
    fseek($f, 0); 
     
    header('Content-Type: text/csv'); 
    header('Content-Disposition: attachment; filename="' . $filename . '";');

fpassthru($f); 
}

exit;