imap_setacl()

(PHP 4 >= 4.0.7, PHP 5, PHP 7)

Sets the ACL for a given mailbox

说明

imap_setacl(resource $imap_stream,string $mailbox,string $id,string $rights): bool

Sets the ACL for a giving mailbox.

参数

$imap_stream: 由imap_open()返回的 IMAP 流。
$mailbox: The mailbox name, see imap_open() for more information
Warning
Passing untrusted data to this parameter isinsecure, unlessimap.enable_insecure_rsh is disabled.
$id: The user to give the rights to.
$rights: The rights to give to the user. Passing an empty string will delete acl.

返回值

成功时返回TRUE，或者在失败时返回FALSE。

注释

This function is currently only available to users of the c-client2000 or greater library.

参见

imap_getacl()Gets the ACL for a given mailbox

After getting the ACL's from imap_getacl you want to set them for a user on any mailbox folder like this:
foreach ( $Folders as $key => $Maildir ) {
imap_setacl($domains , "user/john.doe/".$Maildir , $userid, "lrswipkxte");
}
You can use a form that translates the ACLs like the following (thanks to cyradm manual):
 switch ($right) {
   case "read" : $aclstring = "lrs";
     break;
   case "post" : $aclstring = "lrsp";
     break;
   case "append" : $aclstring = "lrsip";
     break;
   case "write" : $aclstring = "lrswipkxte";
     break;
   case "delete" : $aclstring = "lrxte";
     break;
   case "all" : $aclstring = "lrswipkxte";
     break;
   case "admin" : $aclstring = "lrswipkxtea";
     break;
   case "none" : $aclstring = "";
     break;
 }

I noticed that using: 
imap_setacl ($conn, $mbox, $userid, "")
will act like:
"deleteaclmailbox $mbox $userid" (remove the ACL on mailbox for userid).