CodeIgniter how to connect multi database using database.php for first connection and Model for second connection

[eluser]dev.bashar[/eluser]

Code:

<?php
class user_model extends CI_Model {
    
        public function test()
        {
        $specific['hostname'] = "localhost";
        $specific['username'] = "myusername";
        $specific['password'] = "mypassword";
        $specific['database'] = "mydatabase";
        $specific['dbdriver'] = "mysql";
        $specific['dbprefix'] = "";
        $specific['pconnect'] = FALSE;
        $specific['db_debug'] = TRUE;
        $specific['cache_on'] = FALSE;
        $specific['cachedir'] = "";
        $specific['char_set'] = "utf8";
        $specific['dbcollat'] = "utf8_general_ci";
        
        $this->load->database($specific);
        
        //get data
        $o = new db_user();
        $array = array();
        $o->where($array)->get();
        echo $num_rows = $o->result_count();
        }
}
?>

this is my test code

when i call function from controller

Code:

public function calldatabase()
{  
     $user_id = $this->user_model->test();
}

it's still connect with main database
and it's didn't print wrong database connections ...


can you help me please