File structure

index.php main entry point
api.php has all includes
bak folder: backup of site
inc folder: all code

class definitions

db.php

function.php

parser.php

record.php

user.php

wiki.php

used by index.php

cookies.php

configuration-install.php: when site/configuration.php is not available

localization

system-defaults-de.php

system-defaults-en.php

system-defaults-fr.php

utilities

cron.php pseudo cron to send mail

diff.php

notify.php

utilities.php

zip.php

special

configuration.php: unused model to copy for site/configuration.php

folders with extensions

functions

parsers

skins

special

site folder: site-specific

configuration.php
current: current revisions for all names (disposable)
files: uploaded files
indexes: cache of indexes (disposable)
logs: notifications
queries: cache of queries (disposable)
revisions
skins: custom skins