showBreadCrumb PHP

code
function showBreadCrumb() {
  $crumbs = explode("/",$_SERVER["REQUEST_URI"]);
  $server = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]/";
  echo '<div id="breadcrumb">';
  $path = $server;
  $index = 0;
  foreach($crumbs as $crumb){
    $index++;
    $bread = (str_replace(array(".php","_"),array(""," "),$crumb));
    $bread2 = ucfirst(str_replace(array(".php","_"),array(""," "),$crumb));
    $path .= $bread;
    if (($index>1) && ($index<count($crumbs))) {
      $path .= '/';
    }
    echo '<a href="'.$path.'">'.$bread2.'</a>';
    if ($index<count($crumbs)){
      echo ' > ';
    }
  }
  echo '</div>';
}