How do I create variables for each directory in a string?

I am trying to create variables for directories to be used later within the site as titles.

<?php echo $title_1 ?>

<?php echo $title_2 ?>

from          /dir1/dir2/dir3

So far I am able to pick up the first title in the directory but having problems extracting the second or third titles...  Below is where I am...

Any thoughts?

<?
    if($location = substr(dirname($_SERVER['PHP_SELF']), 1))
        $dirlist = explode('/', $location);
    else
        $dirlist = array();
    
    $count = array_push($dirlist, basename($_SERVER['PHP_SELF']));
    
    $address = 'http://'.$_SERVER['HTTP_HOST'];
    
    for($i = 0; $i < $count; $i++)
    
         ($activepath .= str_replace("index.php","",'/'.  $dirlist[$i]));
    
    $value = $activepath;
    $topdir = strtok($value, " / ");
    $title_1 = ucwords($topdir);
    
    
    $value2 = $activepath;
    $secdir .= str_replace("/", "", " ", strtok($value2, " / "))  ;
    $title_2 = ucwords($secdir);

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