<?php
    include "/home/httpd/presentations/slides/srm/binsearch.class.php";

    $elements = array (
        'jan'    => 'Dorsten',       'derick' => 'Dieren',
        'stig'   => 'Trondheim',     'dan'    => 'Portland',
        'rasmus' => 'San Francisco', 'ilia'   => 'Montreal'
    );

    $tree =& new binsearch($elements);
    echo $tree->get_value('rasmus');
?>