GIF89a
<?php ob_start(); ini_set('error_reporting', E_STRICT); include("connect.php"); $output = ''; $sql = "SELECT * from `user_details`"; $result = mysqli_query($conn, $sql) or die (mysqli_error()); if(mysqli_num_rows($result)>0) { $output .= ' <table class="table" bordered="1"> <tr> <td><strong>Sr</strong></td> </tr> '; while($row=mysqli_fetch_array($result)) { $output .=' <tr> <td>'.$row['sr'].'</td> </tr> '; } $output .='</table>'; header("Content-Type: application/xls"); header("Content-Disposition: attachment; filename=download.xls"); echo $output; } ?>