function locale_language_url_rewrite_session

Rewrite URLs for the Session language provider.

Related topics

File

includes/locale.inc, line 495

Code

function locale_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('enabled');
            $languages = $languages[1];
            $query_param = check_plain(variable_get('locale_language_negotiation_session_param', 'language'));
            $query_value = isset($_GET[$query_param]) ? check_plain($_GET[$query_param]) : NULL;
            $query_rewrite = isset($languages[$query_value]) && language_negotiation_get_any(LOCALE_LANGUAGE_NEGOTIATION_SESSION);
        }
        else {
            $query_rewrite = FALSE;
        }
    }
    // If the user is anonymous, the user language provider is enabled, and the
    // corresponding option has been set, we must preserve any explicit user
    // language preference even with cookies disabled.
    if ($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;
        }
    }
}