http://php.flashwebhost.com/annie/health_tips.php
Code:
<?php
if (isset($_GET['email'] )) {
echo 'Subscribe to our free email updates!';
} 
else {
echo '

<h1> Helpful Tips.</h1>

<p>Please enter your email address below and get Daily Health Tips </p>

<form method="GET" action="health_tips.php">

Enter Your Email Address: <input name= "email" type="text">
<button type="submit"> Subscribe</botton>
</form>
';
}