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Update global variables table

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Starbeamrainbowlabs 2019-07-01 23:50:06 +01:00
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docs/07-Writing-Modules.md
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@ -87,18 +87,33 @@ register_module([
### Global Variables
There are a number of global variables floating around that can give you a lot of information about the current request. ~~I will be tidying them up into a single `$env` object soon.~~ Most of the below have been tidied up into a single `$env` object now! Below is a table of all the variables Pepperminty Wiki has lying around:
TODO: Update this table
Variable | Description
------------------------|------------------------------------------
`$env` | An object that contains a _bunch_ of useful information about the current request.
`$env->page` | The current page name.
`$env->page_filename` | The filename that the current page is stored in.
`$env->is_history_revision` | Whether the requested page is a history revision or not.
`$env->history->revision_number`| The requested revision number.
`$env->history->revision_data` | The history revision object from the page index for the current page.
`$env->user` | The current user's name. Defaults to `$settings->anonymous_user_name`.
`$env->is_logged_in` | Whether the current user is currently logged in.
`$env->is_admin` | Whether the current user is an administrator.
`$env->user` | The current user's name. Currently only set if the user is logged in.
`$env->user_data` | The currently logged in user's data object from `$settings`. Don't forget to call `save_settings()` if you edit this.
`$env->storage_prefix` | The location that the wiki data is stored in, including the trailing directory separator.
`$env->perfdata` | Contains various performance information. Feel free to dump additional perf data in here.
`$env->action` | The current action.
`$settings` | The settings object from the top of the file.
`$pageindex` | Contains a list of all the pages that Pepperminty Wiki currently knows about, along with information about each page. Exists to improve performance.
`$paths->pageindex` | The location of the page index. Don't forget about `save_pageindex()`.
`$paths->searchindex` | The location of the search index.
`$paths->idindex` | The location of the page id index. Useful in conjunction with the search index, since page ids are used to compress & optimise the search index. Don't forget about the `ids` class, which automatically loads this index.
`$paths->statsindex` | The location of the statistics index, which holds a bunch of pre-calculated statistics. These may not all be updated.
`$paths->interwiki_index` | The interwiki index cache.
`$paths->cache_directory` | The cache directory, without a trailing directory separator. Store cached stuff in here. Current `parser-parsedown` stores HTML versions of pages in here, for example. Guaranteed to exist.
`$paths->settings_file` | The location of `peppermint.json`.
`$paths->extra_data_directory` | The location of the directory that extra data is extracted to.
`$paths->upload_file_prefix` | The prefix that's prepended when uploading files.
## Files