PHP Form data retention - Page 4

<?php
$mailto = 'info@regibase.us' ;
$subject = "Contact form message - RBF-US" ;
$formurl = "http://www.regibase.us/contact-error.php" ;
$errorurl = "http://www.regibase.us/contact-error.php" ;
$thankyouurl = "http://www.regibase.us/contact-thanks.php" ;

 
// -------------------- END OF CONFIGURABLE SECTION ---------------
 
$name = $_POST['name'] ;
$email = $_POST['email'] ;
$subject = $_POST['subject'] ;
$comments = $_POST['comments'] ;
$spam=$_POST['spam'] ;
$http_referrer = getenv( "HTTP_REFERER" );
 
if (!isset($_POST['email'])) {
    header( "Location: $formurl" );
    exit ;
}
if (empty($name) || empty($email) || empty($subject) || empty($comments) || $spam!="78260") {
   header( "Location: $errorurl" );
   exit ;
}

$name = strtok( $name, "\r\n" );
$email = strtok( $email, "\r\n" );
$subject = strtok( $subject, "\r\n" );
if (get_magic_quotes_gpc()) {
$comments = stripslashes( $comments );
}
 
$messageproper ="---------- Sent VIA Contact Page (TFPS) ----------\n\n" . "\nSent by : " . $name . "\nEmail : " . $email . "\nSubject : " . $subject . "\n\n\nMessage : " . $comments;
 
mail($mailto, $subject, $messageproper, "From: \"$name\" <$email>\r\nReply-To: \"$name\" <$email>\r\nX-Mailer: chfeedback.php 2.04" );
header( "Location: $thankyouurl" );
exit ;
?>

<form action="contact_thanks.php" method="POST">
  
  <fieldset>
    
  <legend>Your contact information</legend>
    
  <p style="margin-left:70px">
    
  <label><strong>Name:</strong></label>
  <span class="asterisk"><font color="#FF0000">*</font></span><br />
    
  <input name="name" type="text" class="sub_bg3" value="<?php echo $_POST['name'];?>"  />

</p>
    
  <p style="margin-left:70px">
    
  <label><strong>Email:</strong></label>
  <span class="asterisk"><font color="#FF0000">*</font></span><br />
    
  <input name="email" type="text" class="sub_bg3" value="<?php echo $_POST['email'];?>" />
    
  </p>
    
  <p style="margin-left:70px">
    
  <label><strong>Subject:</strong></label>
  <span class="asterisk"><font color="#FF0000">*</font></span><br />
    
  <input name="subject" type="text" class="sub_bg3" value="<?php echo $_POST['subject'];?>" />
    
  </p>
  <p class="asterisk" style="margin-left:70px; color: #F00;">* <span class="ital">required entries</span></p>
  <br />
    
  </fieldset>
                                                                                    
  <fieldset>
    
  <legend>Your message</legend>
    
  <p style="margin-left:70px">
    
  <label><strong>Message:</strong></label>
  <br />
    
  <textarea name="comments" cols="50" rows="7" class="sub_bg3" value="<?php echo $_POST['comments'];?>"></textarea>
    
  </p>
    
  <p style="margin-left:70px"><img src="images/LockIcon.png" width="15" height="20" /> Security pass-code = <strong style="color: #0000FF">78260</strong><br />
    <strong>Please enter the <strong style="color: #0000ff">blue</strong> pass-code  provided above:</strong><br />
    
  <input name="spam" type="text" class="sub_bg3" value="" />
    
  </p>
    
  <p style="margin-left:70px">
    
  <input class="button" name="submit" type="submit" value="Send" />

</p>
    
  </fieldset>
                                                                                    
</form>