``` --- ### Блок 3: Полный код для `admin.php` ```php
Warning: session_start(): Session cannot be started after headers have already been sent in /www/wwwroot/rybinsk-mir.ru/index.php on line 130

Warning: Cannot modify header information - headers already sent by (output started at /www/wwwroot/rybinsk-mir.ru/index.php:41) in /www/wwwroot/rybinsk-mir.ru/index.php on line 132