modules/mailalias/mailalias.module

<?php

function mailalias_user($type, $edit, &$user) {
  switch ($type) {
    case "view_private":
      // when user looks at his own data
      $output = form_item(t("Email aliases"), $user->mailalias);      
      return $output;
    case "edit_form":
      // when user tries to edit his own data $output =
      $output = form_textfield(t("Email aliases"), "mailalias", $user->mailalias, 70, 255, t("Add any additional email addresses, separated by commas. We use these to identify the author of email submissions. These email addresses are private and are not shared with other users."));
      return $output;
    case "edit_validate":
      // validate user data editing. TODO
      $mailalias = strtr($edit["mailalias"], array (" " => "")); // strip spaces
      $mailsarr = explode(",", $mailalias);
      foreach ($mailsarr as $mail) {
        if ($error = user_validate_mail($mail)) {
          return $error;
        }
      }
      return array ("mailalias" => $mailalias);
  }
}

function mailalias_system($field) {
  $system["description"] = t("A user may associate additional email addresses with his account.");
  return $system[$field];
}

?>
1	<?php
2
3	function mailalias_user($type, $edit, &$user) {
4	switch ($type) {
5	case "view_private":
6	// when user looks at his own data
7	$output = form_item(t("Email aliases"), $user->mailalias);
8	return $output;
9	case "edit_form":
10	// when user tries to edit his own data $output =
11	$output = form_textfield(t("Email aliases"), "mailalias", $user->mailalias, 70, 255, t("Add any additional email addresses, separated by commas. We use these to identify the author of email submissions. These email addresses are private and are not shared with other users."));
12	return $output;
13	case "edit_validate":
14	// validate user data editing. TODO
15	$mailalias = strtr($edit["mailalias"], array (" " => "")); // strip spaces
16	$mailsarr = explode(",", $mailalias);
17	foreach ($mailsarr as $mail) {
18	if ($error = user_validate_mail($mail)) {
19	return $error;
20	}
21	}
22	return array ("mailalias" => $mailalias);
23	}
24	}
25
26	function mailalias_system($field) {
27	$system["description"] = t("A user may associate additional email addresses with his account.");
28	return $system[$field];
29	}
30
31	?>