islandora_breadcrumb_fix.php

/**
 * Implements hook_islandora_breadcrumbs_alter();
 *
 * Removes Islandora top-level breadcrumbs that would send the user astray.
 * 
 */
function islandora_breadcrumb_fix_islandora_breadcrumbs_alter(&$active_trail, $item) {
	dpm('got here');
	dpm($active_trail);
  foreach ($active_trail as $key => $parent) {
    if (isset($parent['href'])) {
      if ($parent['href'] === 'islandora') {
        unset($active_trail[$key]);
      }
      if ($parent['href'] === 'islandora/object/davidson:root') {
        unset($active_trail[$key]);
      }
    }
  }
}