<table>

    <tbody>

        <tr>
            <td>Machine ID</td>
            <td>
                <input type="text" name="machineId" class="form-control" value="<?php echo $machineId;?>">
            </td>
        </tr>
        <tr>
            <td>
                <button type="submit" class="btn btn-primary">
                    Save
                </button>
            </td>
        </tr>
    </tbody>
</table>