IMP_Indices_Mailbox::__construct PHP Method

    public function __construct()
    {
        $args = func_get_args();
        switch (func_num_args()) {
            case 1:
                if ($args[0] instanceof Horde_Variables) {
                    if (isset($args[0]->mailbox) && strlen($args[0]->mailbox)) {
                        $this->mailbox = IMP_Mailbox::formFrom($args[0]->mailbox);
                        if (isset($args[0]->buid)) {
                            /* BUIDs are always integers. Do conversion here since
                             * POP3 won't work otherwise. */
                            $tmp = new Horde_Imap_Client_Ids($args[0]->buid);
                            $this->buids = new IMP_Indices($this->mailbox, $tmp->ids);
                            parent::__construct($this->mailbox->fromBuids($this->buids));
                        } elseif (isset($args[0]->uid)) {
                            parent::__construct($this->mailbox, $args[0]->uid);
                        }
                    }
                    if (isset($args[0]->muid)) {
                        parent::__construct($args[0]->muid);
                    }
                }
                break;
            case 2:
                if ($args[0] instanceof IMP_Mailbox && $args[1] instanceof IMP_Indices) {
                    $this->mailbox = $args[0];
                    $this->buids = $args[0]->toBuids($args[1]);
                    parent::__construct($args[1]);
                }
                break;
        }
        if (!isset($this->buids)) {
            $this->buids = new IMP_Indices($this->_indices);
        }
        if (!isset($this->mailbox)) {
            $this->mailbox = IMP_Mailbox::get('INBOX');
        }
    }