Returns an array with integer values limit and usage for the given mailbox. The value of limit represents the total amount of space allowed for this mailbox. The usage value represents the mailboxes current level of capacity. Will return FALSE in the case of failure.
This function is currently only available to users of the c-client2000 library.
imap_stream should be the value returned from an imap_status() call. This stream is required to be opened as the mail admin user for the quota function to work. quota_root should normally be in the form of user.name where name is the mailbox you wish to retrieve information about.
Example 1. imap_get_quota() example