root/devel/mod/profile/lib/permissions_check.php

<?php

    // Last modified Ben Werdmuller May 19 2005

    // Check permissions
    // run("permissions:check", "object");
    
    // To add permission functionality to your own units, add code to
    // $function['permissions:check'] in your main.php
    
    // You can use this file as a template; $page_owner should already
    // be set - if the user is on a page specific to your unit, it should
    // be set in run("your_unit_name:init")
    
        global $page_owner;
        
        if ($parameter == "profile") {
            
            if ($page_owner == $_SESSION['userid']) {
                $run_result = true;
            }
            
        }

?>