renderer.php

См. документацию.

<?php
 
namespace Bitrix\Main\UserField;

class Renderer
{
    protected
        $userField = [],
        $additionalParameters = [],
        $defaultAdditionalParameters = [
        'bVarsFromForm' => false
    ],
        $mode;

    public function __construct(array $userField, ?array $additionalParameters = [])
    {
        $this->setUserField($userField);
        $this->setAdditionalParameters($additionalParameters);
 
        if($this->getAdditionalParameter('mode'))
        {
            $this->setMode($this->getAdditionalParameter('mode'));
        }
    }

    public function render(): ?string
    {
        global $USER_FIELD_MANAGER;
 
        return $USER_FIELD_MANAGER->renderField(
            $this->getUserField(),
            $this->getAdditionalParameters()
        );
    }

    public function getMode()
    {
        return $this->mode;
    }

    public function setMode($mode): Renderer
    {
        $this->mode = $mode;
        return $this;
    }

    public function getUserField(): array
    {
        return $this->userField;
    }

    public function setAdditionalParameter(string $param, $value, ?bool $storeAsDefault = false): Renderer
    {
        $this->additionalParameters[$param] = $value;
        if($storeAsDefault)
        {
            $this->defaultAdditionalParameters[$param] = $value;
        }
        return $this;
    }

    public function getAdditionalParameter(string $param)
    {
        return ($this->additionalParameters[$param] ?: null);
    }

    protected function getAdditionalParameters(): array
    {
        return $this->additionalParameters;
    }

    public function setUserField(array $userField): Renderer
    {
        $this->userField = $userField;
        return $this;
    }

    public function setAdditionalParameters(?array $additionalParameters): Renderer
    {
        $this->additionalParameters = $additionalParameters;
        return $this;
    }
}