Warning: Undefined variable $dsn in /var/www/html/config.php on line 15

Warning: Undefined variable $options in /var/www/html/config.php on line 15

Deprecated: PDO::__construct(): Passing null to parameter #1 ($dsn) of type string is deprecated in /var/www/html/config.php on line 15
Ошибка подключения к базе: PDO::__construct(): Argument #1 ($dsn) must be a valid data source name