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Editorial Team
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Asked: 2026-05-13T18:01:06+00:00

I’m using codeigniter and the project i’m working on has to be in two

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I’m using codeigniter and the project i’m working on has to be in two languages.

The only thing i can’t figure out is how to select a different database in codeigniter when a session variable is set to a certain value.

example:

if the session variable ‘language’ is set to ‘EN’ i want it to select the DB:
“databasename_EN”

in all other cases select DB:
“databasename_EN”

The only thing i found was that you can do $this->db->load(‘bla’); but this means you have to add a DB-load in every model and you have to disable autoload ‘database’.

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1 Answer

  1. Editorial Team

    For the best result I would create a pre_system hook that checks whether a $_SESSION[‘lang’] variable exists and if it does set a constant:

    define('LANG', isset($_SESSION['lang']) ? $_SESSION['lang'] : 'EN');

    Then in your database config file do this:

    $db['default']['hostname'] = "localhost";
$db['default']['username'] = "root";
$db['default']['password'] = "";
$db['default']['database'] = "database_".LANG;
$db['default']['dbdriver'] = "mysql";
$db['default']['dbprefix'] = "";
$db['default']['pconnect'] = TRUE;
$db['default']['db_debug'] = FALSE;
$db['default']['cache_on'] = FALSE;
$db['default']['cachedir'] = "";
$db['default']['char_set'] = "utf8";
$db['default']['dbcollat'] = "utf8_general_ci";

    Should do the trick with minimum fuss.

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