FormIt outputting code for values, e.g. . Caching issue?

[[FormIt?
   &hooks=`email,redirect`
   &emailTpl=`sent_email_template`
   &emailTo=`[email protected]`
   &emailSubject=`Enquiry via website`
   &redirectTo=`25`   
   &validate=`name:required,
	      email:email,
	      text:required`
    ]]

    [[+fi.error.error_message:notempty=`<p class="error">[[+fi.error.error_message]]</p>`]] 

    <form action="[[~[[*id]]]]" method="post" id="contact-form">

        <label for="name" >Name<span class="error">[[+fi.error.name]]</span></label>
        <input type="text" name="name" maxlength="60"  value="[[+fi.name]]" />

        <label for="email" >Email<span class="error">[[+fi.error.email]]</span></label>
        <input type="text" name="email" size="40" maxlength="40"  value="[[+fi.email]]" />

        <input type="hidden" name="phone" value="" /> 

        <label for="text">Message<span class="error">[[+fi.error.text]]</span></label>
        <textarea cols="40" rows="7" name="text" value="[[+fi.text]]">[[+fi.text]]</textarea>

        <input type="image" name="submit" class="submit" alt="Send" src="assets/images/global/send.png" />

    </form>

<div style="font-family: Arial; font-size: 12px;" />
    <p>The following message was sent via the website.</p>
    <p><strong>[[+name]]</strong> at <strong>[[+email]]</strong> wrote:</p>
    <p>[[+text]]</p>
    <p>You can reply to <strong>[[+name]]</strong> at <strong>[[+email]]</strong></p>
</div>

[[!Test? &string=`Testing`]]

<?php
$output = '<p>In the Test Snippet</p>' ;
$output .= '<p>Parameter: ' . $string . '</p>';
$output .= '<p>Site name:  [[++site_name]]</p>';
return $output;