gistfile1.php

<?php

$model_object = parse_ini_file('object_map.ini');
function __autoload($class_name) {
    global $model_object;
    $class_name = strtolower($class_name);
    if (!isset($model_object[$class_name])) {
        exit('invalid class name'); 
    }
    
    require_once($model_object[$class_name]);
}

?>