// Page containing a form:
<form action="myaction.php" method="post">
<select name="fruit">
<option value="Apple">Apple</option>
<option value="Banana">Banana</option>
</select>
<input type="submit" value="Submit">
</form>
// myaction.php
Hello <?php echo htmlspecialchars($_POST['fruit']); ?>
$selectOption = $_POST['taskOption'];