settings.php

<?php
 
namespace Bitrix\Bizproc\Activity;
 
use Bitrix\Main\Text\Emoji;
 
class Settings
{
    private string $category;
 
    public function __construct(string $category)
    {
        $this->category = $category;
    }
 
    public function get()
    {
        $settings = \CUserOptions::GetOption($this->category, 'activity_settings');
        if (is_array($settings) || is_string($settings))
        {
            static::decodeSettings($settings);
        }
        else
        {
            $settings = null;
        }
 
        return $settings;
    }
 
    public function save($settings): void
    {
        static::encodeSettings($settings);
        \CUserOptions::SetOption($this->category, 'activity_settings', $settings);
    }
 
    public static function decodeSettings(&$settings): void
    {
        if (is_array($settings))
        {
            array_walk_recursive(
                $settings,
                function (&$value) {
                    if (is_string($value))
                    {
                        $value = Emoji::decode($value);
                    }
                }
            );
        }
        elseif (is_string($settings))
        {
            Emoji::decode($settings);
        }
    }
 
    public static function encodeSettings(&$settings): void
    {
        if (is_array($settings))
        {
            array_walk_recursive(
                $settings,
                function (&$value) {
                    if (is_string($value))
                    {
                        $value = Emoji::encode($value);
                    }
                }
            );
        }
        elseif (is_string($settings))
        {
            $settings = Emoji::encode($settings);
        }
    }
}