function locale_url_outbound_alter

Implements hook_url_outbound_alter().

Rewrite outbound URLs with language based prefixes.

File

modules/locale/locale.module, line 1061

Code

function locale_url_outbound_alter(&$path, &$options, $original_path) {
    // Only modify internal URLs.
    if (!$options['external'] && drupal_multilingual()) {
        static $drupal_static_fast;
        if (!isset($drupal_static_fast)) {
            $drupal_static_fast['callbacks'] =& drupal_static(__FUNCTION__);
        }
        $callbacks =& $drupal_static_fast['callbacks'];
        if (!isset($callbacks)) {
            $callbacks = array();
            include_once DRUPAL_ROOT . '/includes/language.inc';
            foreach (language_types_configurable() as $type) {
                // Get URL rewriter callbacks only from enabled language providers.
                $negotiation = variable_get("language_negotiation_{$type}", array());
                foreach ($negotiation as $id => $provider) {
                    if (isset($provider['callbacks']['url_rewrite'])) {
                        if (isset($provider['file'])) {
                            require_once DRUPAL_ROOT . '/' . $provider['file'];
                        }
                        // Avoid duplicate callback entries.
                        $callbacks[$provider['callbacks']['url_rewrite']] = TRUE;
                    }
                }
            }
            $callbacks = array_keys($callbacks);
        }
        foreach ($callbacks as $callback) {
            $callback($path, $options);
        }
        // No language dependent path allowed in this mode.
        if (empty($callbacks)) {
            unset($options['language']);
        }
    }
}