Untitled

<?php include_once "mysql_connect.php" ?>

<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>

<?php
    $sql = "SELECT * FROM MySQLtable ORDER BY category_number";
    $result = mysqli_query($connect, $sql);
    $result_check = mysqli_num_rows($result);

    $category = null;
    $img = null;

    if ($result_check > 0)
    {
        while ($row = mysqli_fetch_assoc($result))
        {
            $item = $row["item_name"];
            $img = $row[item_img];

            if ($category != $row["item_category"])
            {
                $category = $row["item_category"];
                echo"
                <table>
                    <tr>
                        <th>$category</th>
                    </tr>";
            }
            echo"
            <tr>
                <td>$item</td>
                <td><img src='item_image_folder/img'></td>
            </tr>";
        }
        echo"</table>";
    }
?>
</body>
</html>

Category 1

item_name  image
item_name  image

Category 2

item   image
item   image

Category 3

long_item_name   image