layer-8/app/db_utilities.php

<?php

$toolbar = <<<TOOLBAR
<form class='db_utilities' method='POST'>
    <label>
      order by:
      <select name='sel_order'>
        <option value='new'>newest</option>
        <option value='old'>oldest</option>
        <option value='az'>A - Z</option>
        <option value='za'>Z -A</option>
      </select>
    </label>
    <label>
      search:
      <input type='search' name='inp_search'></input>
    </label>
    <label for='submit'> 
      <input type='submit' name='submit'  value='&nbsp;filter&nbsp;'></input>
    </label>
  </form>
TOOLBAR;

function showToolbar() {
  global $toolbar;
  echo $toolbar;
}