Wie formatieren Sie die Ausgabe von php-Formular, um html-E-Mails

Erstens: ich bin kein Programmierer - so versuche ich anzupassen, die Dinge, was, die ich brauche. Ich arbeite seit einigen Wochen auf einem html-Formular erzeugt einen eindeutigen code und E-Mails die Daten, die mich und die form Besitzerin.

Habe ich es geschafft, alle diese zu arbeiten, und bauen Sie es in meine Webseite.

Aber die Letzte Spur ist, die ich will-format der E-Mail in html und ich habe gesucht und gelesen und versucht, viele verschiedene Stücke von code für diese - einige sogar von hier aus, ohne Erfolg. Ich äther erhalten code, nichts oder alle Informationen, die in einem ununterbrochenen Satz.

Hier ist mein php. In der Nähe der Unterseite ist die info, die ich brauche in der mail an $email_message

Formular-code:

<div style="position:absolute;left:0px;top:546px;width:350px;height:84px;">
<style type="text/css">
.formtxt{color:white;}
</style>
<?php
$tokens = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';

$serial = '';

for ($i = 0; $i < 3; $i++) {
for ($j = 0; $j < 4; $j++) {
    $serial .= $tokens[rand(0, 35)];
}

if ($i < 2) {
    $serial .= '-';
}
}
?>
<form name="contactform" method="post" action="bridalcontact.php">
<table width="350px" align="center">
<tr>
<td valign="top">
<label for="first_name"> <span class="formtxt">First Name*</span></label>
</td>
<td valign="top">
<input type="text" name="first_name" maxlength="50" size="20">
</td>
</tr>
<tr>
<td valign="top"">
<label for="last_name"> <span class="formtxt">Last Name*</span></label>
</td>
<td valign="top">
<input type="text" name="last_name" maxlength="50" size="20">
</td>
</tr>
<tr>
<td valign="top">
<label for="email"> <span class="formtxt">Email*</span></label>
</td>
<td valign="top">
<input type="text" name="email" maxlength="80" size="20">
</td>
</tr>
<tr>
<td valign="top">
<label for="security"> <span class="formtxt">What colour is the sky *</span></label>
</td>
<td valign="middle">
<input type="text" name="security" maxlength="80" size="20">
</td>
</tr>
<tr>
<td valign="top">
<label for="telephone">Code</label>
</td>
<td valign="top">
<input type="disabled" name="code" size="20" value='<?php echo "$serial"?>'readonly>
</td>
</tr>
<tr>
<td colspan="2" style="text-align:center">
<input type="submit" value="Submit">
</td>
</tr>
</table>
</form>
</div>

Php-code:

<?php

if(isset($_POST['email'])) {
  //EDIT THE 2 LINES BELOW AS REQUIRED
  $email_to = "my email address here";
  $email_subject = "Your AODJ voucher";
  function died($error) {
    //your error code can go here
    echo "We are very sorry, but there were error(s) found with the form you submitted.    ";
    echo "These errors appear below.<br /><br />";
    echo $error."<br /><br />";
    echo "Please go back and fix these errors.<br /><br />";
    die();
  }
  //validation expected data exists
  if(!isset($_POST['first_name']) ||
    !isset($_POST['last_name']) ||
    !isset($_POST['email']) ||
    !isset($_POST['security'])) {
      died('We are sorry, but there appears to be a problem with the form you submitted.');
    }
  $first_name = $_POST['first_name']; //required
  $last_name = $_POST['last_name']; //required
  $email_from = $_POST['email']; //required
  $security = $_POST['security']; //required
  $code = $_POST['code']; //not required
  $error_message = "";
  $email_exp = '/^[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/';
  if(!preg_match($email_exp,$email_from)) {
    $error_message .= 'The Email Address you entered does not appear to be valid.<br />';
  }
  $security_exp = "/blue/";
  if(!preg_match($security_exp,$security)) {
    $error_message .= 'Wrong solar system - sorry.<br />';
  }
  //$string_exp = "/^[A-Za-z .'-]+$/";
  //if(!preg_match($security_exp,$security)) {
  //$error_message .= 'Wrong solar system - sorry.<br />';
  //}
  $string_exp = "/^[A-Za-z .'-]+$/";
  if(!preg_match($string_exp,$first_name)) {
    $error_message .= 'The First Name you entered does not appear to be valid.<br />';
  }
  if(!preg_match($string_exp,$last_name)) {
    $error_message .= 'The Last Name you entered does not appear to be valid.<br />';
  }
  if(strlen($error_message) > 0) {
    died($error_message);
  }
  $email_message = "Form details below.\n\n";
  function clean_string($string) {
    $bad = array("content-type","bcc:","to:","cc:","href");
    return str_replace($bad,"",$string);
  }
  $email_message .= "First Name: ".clean_string($first_name)."\n";
  $email_message .= "Last Name: ".clean_string($last_name)."\n";
  $email_message .= "Email: ".clean_string($email_from)."\n";
  $email_message .= "code: ".clean_string($code)."\n";
  //create email headers
  $headers = 'From: '.$email_from."\r\n".
    'Reply-To: '.$email_from."\r\n" .
    'X-Mailer: PHP/' . phpversion();
  @mail($email_to, $email_subject, $email_message, $headers);
  @mail($email_from, $email_subject, $email_message, $headers);
?>
<?php
  if( !empty( $_POST ) ) {
    header( "Location: bridaloptionsthanks.html" ) ; exit ;
  }
}
?>