function locale_language_from_session in Drupal 7

Identify language from a request/session parameter.

Parameters

$languages: An array of valid language objects.

Return value

A valid language code on success, FALSE otherwise.

Related topics

1 string reference to 'locale_language_from_session'

locale_language_negotiation_info in modules/locale/locale.module

Implements hook_language_negotiation_info().

File

includes/locale.inc, line 234

Administration functions for locale.module.

Code

function locale_language_from_session($languages) {
  $param = variable_get('locale_language_negotiation_session_param', 'language');

  // Request parameter: we need to update the session parameter only if we have
  // an authenticated user.
  if (isset($_GET[$param]) && isset($languages[$langcode = $_GET[$param]])) {
    global $user;
    if ($user->uid) {
      $_SESSION[$param] = $langcode;
    }
    return $langcode;
  }

  // Session parameter.
  if (isset($_SESSION[$param])) {
    return $_SESSION[$param];
  }
  return FALSE;
}