logo.html

<?php
function get_top_directory()
{
    # get directory structure eg "/music/graduate/concerts"
    $directoryPath = dirname($_SERVER['PHP_SELF']);
    # put each directory into an array
    $directoryArray = explode('/', $directoryPath);
    # get the top level directory
    $topDirectory = max($directoryArray);
   
    return $topDirectory;
}
?>

<img src="http://omniupdate.cc.binghamton.edu/images/siteLogos/logo-<?= get_top_directory(); ?>.gif" alt="Binghamton University, State University of New York" />