$relative_script_path = '';
$relative_script_path = defaults($_SERVER, 'REDIRECT_URL' , $relative_script_path);
$relative_script_path = defaults($_SERVER, 'REDIRECT_URI' , $relative_script_path);
$relative_script_path = defaults($_SERVER, 'REDIRECT_SCRIPT_URL', $relative_script_path);
$relative_script_path = defaults($_SERVER, 'SCRIPT_URL' , $relative_script_path);
$relative_script_path = defaults($_SERVER, 'REQUEST_URI' , $relative_script_path);
$relative_script_path = '';
$relative_script_path = defaults($_SERVER, 'REDIRECT_URL' , $relative_script_path);
$relative_script_path = defaults($_SERVER, 'REDIRECT_URI' , $relative_script_path);
$relative_script_path = defaults($_SERVER, 'REDIRECT_SCRIPT_URL', $relative_script_path);
$relative_script_path = defaults($_SERVER, 'SCRIPT_URL' , $relative_script_path);
$relative_script_path = defaults($_SERVER, 'REQUEST_URI' , $relative_script_path);