Query::add_short_filter PHP Метод

    function add_short_filter($field, $expression)
    {
        if (empry($expression)) {
            return;
        }
        preg_match('/^(o|c|\\!|\\*)?(.*)$/', $expression, $matches);
        $parms = $matches[0];
        $operator = empty($parms[0]) ? "=" : $parms[0];
        $values = empty($parms[1]) ? "" : $parms[1];
        $this->add_filter($field, $operator, $values);
    }