numberfield.php

См. документацию.

<?php
namespace Bitrix\Sender\Connector\Filter;
 
use Bitrix\Main\UI\Filter\NumberType as FilterNumberType;

class NumberField extends AbstractField
{
    public function applyFilter(array &$filter = array())
    {
        $filterKey = $this->getFilterKey();
        $data = $this->calcNumbers();
 
        switch ($data['op'])
        {
            case FilterNumberType::SINGLE:
                if (is_numeric($data['from']))
                {
                    $filter["=$filterKey"] = $data['from'];
                }
                return;
 
            case FilterNumberType::MORE:
            case FilterNumberType::LESS:
                $opMore = '>';
                $opLess = '<';
                break;
 
            default:
                $opMore = '>=';
                $opLess = '<=';
                break;
 
        }
 
        if (is_numeric($data['from']))
        {
            $filter["{$opMore}$filterKey"] = $data['from'];
        }
        if (is_numeric($data['to']))
        {
            $filter["{$opLess}$filterKey"] = $data['to'];
        }
    }
 
    private function calcNumbers()
    {
        $result = array(
            'op' => FilterNumberType::SINGLE,
            'from' => null,
            'to' => null,
        );
        $value = $this->getValue();
        if (!is_array($value) || count($value) === 0)
        {
            return $result;
        }
 
        $id = $this->getId();
        if (isset($value["{$id}_numsel"]) && in_array($value["{$id}_numsel"], FilterNumberType::getList()))
        {
            $result['op'] = $value["{$id}_numsel"];
        }
 
        if (isset($value["{$id}_from"]))
        {
            $result['from'] = $value["{$id}_from"];
        }
 
        if (isset($value["{$id}_to"]))
        {
            $result['to'] = $value["{$id}_to"];
        }
 
        return $result;
    }
}