Nmsgs; $i++) { imap_delete($imap_stream, $i); } $mailboxes = imap_getmailboxes($imap_stream, IMAP_SERVER, '*'); if (!is_array($mailbox_suffix)) { $mailbox_suffixes = [$mailbox_suffix]; } else { $mailbox_suffixes = $mailbox_suffix; } foreach ($mailbox_suffixes as $mailbox_suffix) { foreach($mailboxes as $value) { // Only delete mailbox with our prefix (+ optional test suffix) if (preg_match('/\{.*?\}INBOX\.' . IMAP_MAILBOX_PHPT_PREFIX . $mailbox_suffix .'$/', $value->name, $match) == 1) { imap_deletemailbox($imap_stream, $value->name); } } } imap_close($imap_stream, CL_EXPUNGE);