<?
if (isset($_POST['test'])):
echo "The value selected in the drop down box was ". $_POST['test'];
echo "<br/><br/>";
endif;
?>
<form action="<?=$_SERVER['PHP_SELF']?>" method="post">
<select name="test">
<option value="one">Test One</option>
<option value="two">Test Two</option>
<option value="three">Test Three</option>
<option value="four">Test Four</option>
</select>
<br/>
<input type="submit" name="submit" value="submit" />
</form>
[code]