/**
* @param int $uid Message UID
* @param string $mbox_name Mailbox name
* @return int Message (sequence) ID
* @access private
*/
private function _uid2id($uid, $mbox_name = NULL)
{
if (!strlen($mbox_name)) {
$mbox_name = $this->mailbox;
}
if (!isset($this->uid_id_map[$mbox_name][$uid])) {
if (!($id = $this->get_cache_uid2id($mbox_name . '.msg', $uid))) {
$id = $this->conn->UID2ID($mbox_name, $uid);
}
$this->uid_id_map[$mbox_name][$uid] = $id;
}
return $this->uid_id_map[$mbox_name][$uid];
}
/**
* Finds message sequence ID for specified UID
*
* @param int $uid Message UID
* @param string $mailbox Mailbox name
* @param bool $force True to skip cache
*
* @return int Message (sequence) ID
*/
function uid2id($uid, $mailbox = null, $force = false)
{
if (!strlen($mailbox)) {
$mailbox = $this->mailbox;
}
if (!empty($this->uid_id_map[$mailbox][$uid])) {
return $this->uid_id_map[$mailbox][$uid];
}
if (!$force && ($mcache = $this->get_mcache_engine())) {
$id = $mcache->uid2id($mailbox, $uid);
}
if (empty($id)) {
$id = $this->conn->UID2ID($mailbox, $uid);
}
$this->uid_id_map[$mailbox][$uid] = $id;
return $id;
}
