({{index.php}} > {{   include_once}} [a1]) ||
(a1:{{include/}}|{{config.inc.php}} > {{   include_once}} [a2]) || 
((a2:{{include/}}|{{update.inc.php}})) - {{include_once}} () > ({{include/external/}}|{{xml/xml2array.php}})
    

Legend:

update.inc.php -> Check and update CMS script