function trailing_slash_url_outbound_alter in Trailing Slash 7

Implements hook_url_outbound_alter().

File

./trailing_slash.module, line 18

Adds checkbox to the Clean URLs settings form and alters outbound URLs.

Code

function trailing_slash_url_outbound_alter(&$path, &$options, $original_path) {

  // If Clean URLs and Trailing Slashes aren't enabled, don't run.
  if (empty($GLOBALS['conf']['clean_url']) || !variable_get('trailing_slash', TRUE)) {
    return;
  }

  // If URL is empty but has a prefix, set the path to the prefix.
  if (($path == '<front>' || empty($path)) && isset($options['prefix']) && $options['prefix'] != '') {
    $path = $options['prefix'];
    $options['prefix'] = '';
  }

  // If the URL is external, the front page, or an empty path, don't run.
  if ($options['external'] || $path == '<front>' || empty($path)) {
    return;
  }

  // If Global Redirect is installed but not being used to enforce trailing
  // slashes, we need to not add a trailing slash when it checks to see if a
  // page needs to be redirected.
  if (module_exists('globalredirect') && ($settings = _globalredirect_get_settings()) && _globalredirect_is_active($settings) && !$settings['deslash']) {

    // Use backtrace to find out if the globalredirect_init() function called
    // this function.
    $backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3);
    if (isset($backtrace[2]) && isset($backtrace[2]['function']) && strtolower($backtrace[2]['function']) == 'globalredirect_init') {
      return;
    }
    unset($backtrace);
  }

  // Pre-alias if not already an alias. The only available hook is before
  // aliasing is done, so we need to pre-alias to modify the final URL path.
  if (!$options['alias']) {

    // This is a copy of Drupal core code.
    $language = isset($options['language']) && isset($options['language']->language) ? $options['language']->language : '';
    $alias = drupal_get_path_alias($original_path, $language);
    if ($alias != $original_path) {
      $path = $alias;
    }

    // This is where the copy of Drupal core code ends.
    // Mark the path as an alias so the alias code isn't needlessly re-run.
    $options['alias'] = TRUE;
  }

  // Add a trailing slash.
  trailing_slash_add($path);
}