Codeigniter session was not stored in database when using database driver - codeigniter

Question

Codeigniter session was not stored in database when using database driver on live server. But it's working fine local enviroment.
Codeigniter Version : 3.1.9
PHP Version : 7.2.11
Below my codeigniter configuration,
$config['sess_driver'] = 'database';
$config['sess_cookie_name'] = 'ci_session';
$config['sess_expiration'] = 600;
$config['sess_save_path'] = 'ci_sessions';
$config['sess_match_ip'] = FALSE;
$config['sess_time_to_update'] = 180;
$config['sess_regenerate_destroy'] = FALSE;
Anyone have idea, please advise.

Answer 1

First of all you got to change the configs to use database like this:
$config['sess_driver'] = 'database';
$config['sess_cookie_name'] = 'ci_sessions';
$config['sess_expiration'] = 7200;
$config['sess_save_path'] = 'ci_sessions';
$config['sess_match_ip'] = FALSE;
$config['sess_time_to_update'] = 300;
$config['sess_regenerate_destroy'] = FALSE;
Then you have to create a table for your sessions and i've create a migration file for this:
class Migration_Create_ci_sessions extends CI_Migration
{
private $table;
public function __construct()
{
parent::__construct();
$this->load->dbforge();
$this->table = 'ci_sessions';
}
public function up()
{
$this->dbforge->drop_table($this->table, TRUE);
$ci_sessions = '`id` VARCHAR(128) NOT NULL,
`ip_address` VARCHAR(45) NOT NULL,
`timestamp` int(10) UNSIGNED DEFAULT 0 NOT NULL,
`data` BLOB NOT NULL,
KEY `ci_sessions_timestamp` (`timestamp`)';
$this->dbforge->add_field($ci_sessions);
unset($ci_sessions);
$this->dbforge->create_table($this->table, TRUE);
}
public function down()
{
$this->dbforge->drop_table($this->table, TRUE);
}
}
or if you prefer you can use sql directly:
CREATE TABLE IF NOT EXISTS `ci_sessions` (
`id` varchar(128) NOT NULL,
`ip_address` varchar(45) NOT NULL,
`timestamp` int(10) unsigned DEFAULT 0 NOT NULL,
`data` blob NOT NULL,
KEY `ci_sessions_timestamp` (`timestamp`)
);
and of course you have to load or autoload your database:
$autoload['libraries'] = array('database', 'session');
and set the configs for database correctly:
'username' => 'username',
'password' => 'password',
'database' => 'database',