<?php
require_once 'config.php';

// Initialize the session
session_start();


// If session variable is not set it will redirect to login page
if(!isset($_SESSION['act'])){
  header("location: login.php");
  exit;
}
?>

//Some HTML is here

<?php

$coupons = mysqli_query($link, "SELECT * FROM coupons");


while ($row = mysqli_fetch_array($coupons)) {
            // delete task
            if (isset($_GET['del_task'])) {
                $id = $_GET['del_task'];

            $imgArray[] = $row['id'];
            $_SESSION['act'] = $imgArray;

            unset($imgArray['id']);
        }
        ?>

    <tr>
        <td class="task">
        <?php
        echo '<img src="data:image/jpeg;base64,'.base64_encode( $row['image'] ).'"/>';
        ?>
        </td>
        <td class="delete">
            <a href="welcome.php?del_task=<?php echo $row['id'] ?>">x</a>
        </td>
    </tr>

    <?php
    }
?>