eliphas

<form action="<?php print $_SERVER['PHP_SELF']; ?>" method="post" name="test" id="test">
<select name="colour">
<option value="blue">Blue</option>
<option value="red">Red</option>
<option value="green">Green</option>
</select>
<input type="submit" name="submit" value="submit" />
</form>

<?php
error_reporting(E_STRICT);
$_SESSION['table'][] = $_POST['colour'];
print_r($_SESSION['table']);
?>