Array e tabella associati a PHP MySQL

Puoi provare a cambiare

         <th>
            <?php
            foreach($columns as $column)
            { ?>
                <td><?php echo $column; ?> </td>
            <?php 
            }   
            ?>
        </th>

a

        <tr>
            <?php
            foreach($columns as $column)
            { ?>
                <th><?php echo $column; ?> </th>
            <?php 
            }   
            ?>
        </tr>