An Enterprise Wiki in PHP

Markup Language

Provide a subset of MediaWiki syntax (considering to use Mediawiki2HTML machine)
<math>...</math> tag for MathJax (rendering LaTeX formulas in browsers)
<markdown>...</markdown> tag for embedding Markdown markups
Utilize Pandoc for migrating markups

About Permissions

Distinguish group users and other users
rwx-bits:
- r for reading the page
- w for editing the page
- x for creating subpage, e.g. /a/b is a subpage of /a

Page Locking

how DokuWiki do it.

You can't edit the page while another's editing the same page

Set a lock:

When user gets into edit-page.php Refresh a lock:
When user hits the preview button Lock is expired:
It is more then xxx seconds old (xxx: 'LOCK_TIME' in /inc/config.php) Lock is deleted:
When user hots the save button ToDo:
Refresh the lock in the background while user is editing page
Section level locking
Delete the lock when user hits the cancel button