The language is set based on the user language settings.

2 uses of LOCALE_LANGUAGE_NEGOTIATION_USER
locale_language_negotiation_info in modules/locale/locale.module
Implements hook_language_negotiation_info().
locale_update_7001 in modules/locale/locale.install
Upgrade language negotiation settings.

File

includes/locale.inc, line 33
Administration functions for locale.module.

Code

define('LOCALE_LANGUAGE_NEGOTIATION_USER', 'locale-user')