uploadedfilesregistry.php

См. документацию.

<?php
 
namespace Bitrix\Main\UserField\File;
 
use Bitrix\Main\Application;
 
class UploadedFilesRegistry
{
    private const SESSION_CODE_PREFIX = 'UploadedFilesRegistry_';
    private static ?self $instance = null;
 
    public static function getInstance(): self
    {
        self::$instance ??= new self();
 
        return self::$instance;
    }
 
    public function registerFile(int $fileId, string $controlId, string $cid, string $tempFileToken): void
    {
        $session = Application::getInstance()->getSession();
        if (!isset($session[self::SESSION_CODE_PREFIX . $controlId]))
        {
            $session[self::SESSION_CODE_PREFIX . $controlId] = [];
        }
 
        $session[self::SESSION_CODE_PREFIX . $controlId][$fileId] = [
            'cid' => $cid,
            'token' => $tempFileToken,
        ];
    }
 
    public function getTokenByFileId(string $controlId, int $fileId): ?string
    {
        $session = Application::getInstance()->getSession();
 
        return $session[self::SESSION_CODE_PREFIX . $controlId][$fileId]['token'] ?? null;
    }
 
    public function getCidByFileId(string $controlId, int $fileId): ?string
    {
        $session = Application::getInstance()->getSession();
 
        return $session[self::SESSION_CODE_PREFIX . $controlId][$fileId]['cid'] ?? null;
    }
 
    public function unregisterFile(string $controlId, int $fileId): void
    {
        $session = Application::getInstance()->getSession();
        if (isset($session[self::SESSION_CODE_PREFIX . $controlId][$fileId]))
        {
            unset($session[self::SESSION_CODE_PREFIX . $controlId][$fileId]);
        }
        if (empty($session[self::SESSION_CODE_PREFIX . $controlId]))
        {
            unset($session[self::SESSION_CODE_PREFIX . $controlId]);
        }
    }
}