function language_url_rewrite_session

Rewrite URLs for the Session language negotiation method.

2 string references to 'language_url_rewrite_session'
language_language_negotiation_info in drupal/core/modules/language/language.module
Implements hook_language_negotiation_info().
locale_update_8007 in drupal/core/modules/locale/locale.install
Convert language_negotiation_* variables to use the new callbacks.

File

drupal/core/modules/language/language.negotiation.inc, line 556
Language negotiation functions.

Code

function language_url_rewrite_session(&$path, &$options) {
  static $query_rewrite, $query_param, $query_value;

  // The following values are not supposed to change during a single page
  // request processing.
  if (!isset($query_rewrite)) {
    global $user;
    if (!$user->uid) {
      $languages = language_list();
      $query_param = check_plain(config('language.negotiation')
        ->get('session.parameter'));
      $query_value = isset($_GET[$query_param]) ? check_plain($_GET[$query_param]) : NULL;
      $query_rewrite = isset($languages[$query_value]) && language_negotiation_method_enabled(LANGUAGE_NEGOTIATION_SESSION);
    }
    else {
      $query_rewrite = FALSE;
    }
  }

  // If the user is anonymous, the user language negotiation method is enabled,
  // and the corresponding option has been set, we must preserve any explicit
  // user language preference even with cookies disabled.
  if ($query_rewrite) {
    if (is_string($options['query'])) {
      $options['query'] = drupal_get_query_array($options['query']);
    }
    if (!isset($options['query'][$query_param])) {
      $options['query'][$query_param] = $query_value;
    }
  }
}