IMP_Indices::_fromSequenceString PHP Method

    protected function _fromSequenceString($str)
    {
        $str = trim($str);
        if (!strlen($str)) {
            return array();
        }
        if ($str[0] != '{') {
            return $GLOBALS['injector']->getInstance('IMP_Factory_Imap')->create()->getIdsOb($str)->ids;
        }
        $i = strpos($str, '}');
        $count = intval(substr($str, 1, $i - 1));
        $mbox = substr($str, $i + 1, $count);
        $i += $count + 1;
        $end = strpos($str, '{', $i);
        if ($end === false) {
            $ids = array();
            $uidstr = substr($str, $i);
        } else {
            $ids = $this->_fromSequenceString(substr($str, $end));
            $uidstr = substr($str, $i, $end - $i);
        }
        $ids[$mbox] = $this->_fromSequenceString($uidstr);
        return $ids;
    }