MIME and hidden variables

[capbiker]

I am planning to write up my own newsletter script for a couple of my websites of which I run.

But I am wondering if anybody know where I can go and read a artcile on coding up a mime email newsletter of which includes hidden php variables, of which I can access if the user replys to the email that a php script can access the MIME to find out what needs to happen to it.

(A kind of like yahoo groups)

[RoadKingHD]

I did just this type of thing a while back. I read an article on this site, sorry I don't recall the title.

My problem was also with using PHP var's in the email's. I don't know how other people do it, but I created by basic form and where I needed to use PHP vars I created tags:

[USERNAME]

[MESSAGE1]

and like that. Then I use eregi() to repalce the marker tags with the value of the vars! It works slick for me anyway.

Here is a bit of code I use...maybe it will give you some ideas.

$fp = fopen("$GLOBALS[DOCUMENT_ROOT]/newuser/welcome.inc.html", "r");
if ($fp) {

   while (!feof($fp)) 
   {
      $send_body .= fgets($fp, 100);	
   }

   fclose($fp);

} else {
  //build some error here if file open fails...
     Print ("File open failed very badly!");
     exit;
}

$send_body = eregi_replace("[s_user]", $s_user, $send_body);
$send_body = eregi_replace("[firstname]", $firstName, $send_body);
$send_body = eregi_replace("[lastname]", $lastName, $send_body);	
$send_body = eregi_replace("[password]", $password, $send_body);
$send_body = eregi_replace("[answer]", $secret_a, $send_body);
$send_body = eregi_replace("[question]", $secret_q, $send_body);
$send_body = eregi_replace("[city]", $city, $send_body);
$send_body = eregi_replace("[state]", $state, $send_body);
$send_body = eregi_replace("[zip]", $zip, $send_body);

$sentMail = mail($email, $subject, $send_body, $headers);

}