Simple PHP-written navigation bar program

Simple PHP-written navigation bar program
<?php
Navigation bar Configuration Description: The default display is the directory name
If you do not want to use a directory name, remove the following line of comments and modify the array elements
$label =
Array ("Directory 1" => "Navigation name 1", "Directory 2" => "Navigation Name 2", "Directory 3" => "Navigation name 3");
$ur 1= $REQUEST _uri;
while ($ur 1!= "") {
$text =basename ($ur 1);
Get file name
if (Isset ($label [$text]))
{$text = $label [$text];}
$link = $ur 1;
$curx = "> <a href=" $link "> $text </a>";
$komplettx = $curx. $komplettx;
$ur 1=dirname ($ur 1);
Get directory Name
}

Echo $komplettx;

?>

You can call the program with include in the page