root/releases/0.1.1b/units/users/function_access_level_check.php

<?php

    // Given the access level of a particular object, returns TRUE if the current user
    // can access it, and FALSE if they can't
    
        if (isset($parameter) && $parameter != "") {
            
            if ($parameter == "PUBLIC") {
                $run_result = true;
            } else if ($parameter == "LOGGED_IN" && isset($_SESSION['userid']) && $_SESSION['userid'] != "" && $_SESSION['userid'] != -1) {
                $run_result = true;
            } else if (substr_count($parameter, "user") > 0 && isset($_SESSION['userid'])) {
                $usernum = substr($parameter, 4, 15);
                if ($usernum == $_SESSION['userid']) {
                    $run_result = true;
                }
            }
            
        } else {
            
            $run_result = false;
            
        }

?>