eZ\Publish\Core\Search\Elasticsearch\Content\CriterionVisitor::getQueryRange PHP Метод

    protected function getQueryRange($operator, $start, $end)
    {
        $start = $this->prepareValue($start);
        $end = $this->prepareValue($end);
        $startBrace = '[';
        $startValue = '*';
        $endValue = '*';
        $endBrace = ']';
        switch ($operator) {
            case Operator::GT:
                $startBrace = '{';
                $endBrace = '}';
                // Intentionally omitted break
            // Intentionally omitted break
            case Operator::GTE:
                $startValue = $start;
                break;
            case Operator::LT:
                $startBrace = '{';
                $endBrace = '}';
                // Intentionally omitted break
            // Intentionally omitted break
            case Operator::LTE:
                $endValue = $end;
                break;
            case Operator::BETWEEN:
                $startValue = $start;
                $endValue = $end;
                break;
            default:
                throw new \RuntimeException("Unknown operator: {$operator}");
        }
        return "{$startBrace}{$startValue} TO {$endValue}{$endBrace}";
    }