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<?php

/**

 * @file

 * Stub file for "menu_link" theme hook [pre]process functions.

 */

/**

 * Pre-processes variables for the "menu_link" theme hook.

 *

 * See theme function for list of available variables.

 *

 * @see bootstrap_menu_link()

 * @see theme_menu_link()

 *

 * @ingroup theme_preprocess

 */

function bootstrap_preprocess_menu_link(array &$variables) {

  $element = &$variables['element'];

  // Determine if the link should be shown as "active" based on the current

  // active trail (set by core/contrib modules).

  // @see https://www.drupal.org/node/2618828

  // @see https://www.drupal.org/node/1896674

  if (in_array('active-trail', _bootstrap_get_classes($element)) || ($element['#href'] == '<front>' && drupal_is_front_page())) {

    $element['#attributes']['class'][] = 'active';

  }

}