:INTERNALS

$GLOBALS pollution ($ewiki_ variables)

At least the ewiki_page() function produces variables in the
global namespace. Of course they also were named to not interfere
with anything from yoursite.php:

 $ewiki_id        - Contains the current page name, after ewiki_page()
                  was called.

 $ewiki_action  - Contains the $action/ForTheCurrentPage+.

 $ewiki_title   - Will be set after the first call to ewiki_page(),
                  it is most useful to be printed inside the <TITLE>
                  tags inside <HEAD>. So if you want to use it you
                  should call ewiki_page() very early, but save its
                  output into a variable for later use. This way
                  you can make the current wiki pages` title available
                  (the _title may be different from the pages _id).

 $ewiki_data    - Contains the page data hash as retrieved from the
                  database, but that {content} has been removed.

 $ewiki_errmsg  - Sometimes used to pass error notices back (ewiki_auth
                  does so for example).

 $ewiki_links   - Is an array produced by ewiki_format() that associates
                  all found WikiPageNames+ with a value of 0 or 1,
                  depending on if the referred page exists in the
                  database.

 $ewiki_author  - The content of this variable is saved in the author
                  field of newly created wiki pages (it will be filled
                  with IP:PORT if not set from outside). This is only an
                  informational setting, and does not directly correspond
                  to the _PROTECTED_MODE.
                  You should set it, whenever yoursite.php notes a logged in
                  user (so his login gets saved in the wiki pages 'author'
                  column). But you should REALLY NOT SPAM IT with your own
                  name or ad words.

 $ewiki_auth_user  - Is set by ewiki_auth_user() whenever it successfully
                  authenticates a user in _PROTECTED_MODE. This variable
                  is then used as reliable state setting, which affects
                  permission granting. 

 $ewiki_ring    - Holds the permission level ('ring') of the currently
                  authenticated user (or else will be unset). This value
                  tells only about the user, many plugin functions have
                  built-in requirements which will be compared against
                  this value (no value or zero means full permissions).
                  While this is the built-in way to grant permissions
                  and often also suits the needs to do it, the _auth()
                  plugin interface allows to work at a much finer degree
                  of access granting.
                  values: 0=administrator, 1=moderator, 2=editor, 3=guest
                  See also plugins/auth/README.auth for more informations.

 $ewiki_plugins - Is an array which connects task names (say "database"
                  or "image_resize" for example) to function names.
                  You can utilize this if you decide to extend ewiki.
                  There is an own chapter on this.

 $ewiki_config  - Imports some configuration settings from older constants,
                  and introduces newer ones, which can then be overridden at
                  runtime. Also holds some work and markup transform data.

 $ewiki_t       - Text definitions and translations for all possible
                  messages.




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$GLOBALS pollution ($ewiki_ variables)
