Manual:Extensions/ko

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확장기능이란 무엇일까요?
확장기능은 미디어위키에서 부족한 기능이나 모양을 추가해 줍니다

사용자는 기존 확장기능을 찾아보거나 새 확장기능을 요청할 수 있습니다. System administrators can install (or remove) extensions on the MediaWiki installations that they manage. 개발자는 새 확장기능을 만들거나 improve or maintain existing extensions할수 있습니다.

확장기능 검색:
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확장 기능을 사용하여 다음 같은 기능을 사용 할수 있습니다.:


 * 문서를 작성할때 툴을 추가 할수도 있습니다.(extend the wiki markup used to write articles) - see Category:Parser function extensions and Category:Parser extensions for examples.
 * 새로운 도구 와 관리 도구를 추가 할수 있습니다.(add new reporting and administrative capabilities) - Category:Special page extensions 를 참조 하세요.
 * 미디어 위키를 더 멋지게 보이게 할수 있습니다. (change the look and feel of MediaWiki) - see Gallery of user styles and Category:User interface extensions for examples.
 * 확장 기능을 사용하여 보안을 더 강화 할수 있습니다. - 카테고리:Authentication and Authorization Extensions 를 참조 하세요.

일부 확장 기능은 위키 개발자 외 다른 개발자 에 의해 만들어 졌습니다. 이러한 문제점 때문에 버그가 있을수 있고 서로 호환이 되지 않을수 있습니다. 일부는 관리가 되지 않는것도 있습니다. As a result, many have bugs, and they are not all guaranteed to be compatible with each other. Some are unmaintained; not all extensions work on all versions of MediaWiki. Use any extension, especially those tagged as insecure, at your own risk. 데이터 베이스, 위키 설정 등을 변경 하는 확장 기능을 사용 할때에는 위키가 잘못 되어 복구를 하지 못할수도 있으므로 위키 손상을 방지 하기 위해서는, 데이터베이스 및 위키 핵심 코드 들을 항상 백업 해야 합니다.

Browsing extensions
You can browse to see the full range of extensions that have already been written. may also be helpful to pick out extensions. For information on installing these extensions or writing your own, see below.

Checking installed extensions
Only someone with administration access to the filesystem (and often the database too) on a server can install extensions for MediaWiki, but anyone can check which extensions are active on an instance of MediaWiki by accessing the Special:Version page. For example, these extensions are active in the English Wikipedia.

Installing an extension
MediaWiki is ready to accept extensions just after installation is finished. To add an extension follow these steps:


 * 1) Before you start
 * Many extensions provide instructions designed for installation using unix commands. You require shell access (SSH) to enter these commands listed on the extension help pages.
 * 1) Download your extension.
 * Extension Distributor helps you to select and download most of the popular extensions.
 * Extensions are usually distributed as modular packages. They generally go in their own subdirectory of .  A list of extensions stored in the Wikimedia Git repository is located at git:mediawiki/extensions. Some extensions don't use version control are not recommended.
 * Some extensions are also available in bundles, or package repositories.
 * 1) Install your extension..
 * Generally, at the end of the  file (but above the PHP end-of-code delimiter, " ", if present), the following line should be added:
 * This line forces the PHP interpreter to read the extension file, and thereby make it accessible to MediaWiki.
 * Some extensions can conflict with maintenance scripts, for example if they directly access $_SERVER (not recommended).
 * In this case they can be wrapped in the conditional so maintenance scripts can still run.
 * In this case they can be wrapped in the conditional so maintenance scripts can still run.


 * The maintenance script will fail for any extension which requires customized namespaces which is included inside the conditional above such as,.


 * Ensure that required permissions are set for extensions!
 * While this installation procedure is sufficient for most extensions, some require a different installation procedure. Check your extension's documentation for details.
 * If you want to alter configuration variables in LocalSettings.php, you have to do this typically after including the extension. Otherwise defaults defined in the extension will overwrite your settings.
 * While extension declaration can be placed in other places within the LocalSettings.php file, never place extensions before the  line for MediaWiki versions below 1.17 . Doing so will blank the extension setup function arrays, causing no extensions to be installed, and probably will make your wiki inaccessible until you fix it!

Upgrading an extension
Some extensions require to be updated whenever you update MediaWiki, while others work with multiple versions. To upgrade to a new version of an extension:


 * 1) Download the new version of the extension
 * 2) Replace all the extension files in the extension/ExtensionName directory with the new files. Do not remove the extension configuration present in LocalSettings.php
 * 3) Depending on the extension, you may have to run the Update.php maintenance script. Most extensions will mention if this script needs to be run or not. (Running the update.php script when its unnecessary will not hurt anything, so if you're unsure don't be afraid to run it). If you don't have command line access, you can also use the web updater.
 * 4) That's all you need to do. In most cases any extension configuration you have in LocalSettings.php will also work with the newer version of the extension.

These instructions cover 99% of extensions. If the specific extension you are upgrading has instructions that differ from these, you should probably follow the specific extension's instructions

Uninstalling an extension
Extensions are added by adding a line to LocalSettings.php, which basically looks like this:

Depending on the extension you want to uninstall additionally other stuff might be done on installation, which you want to undo now. For details see the section on installing an extension.


 * 1) Remove this line and the extension is uninstalled. If you want to, you can (and if you do not want to use this extension in the future you should) remove the files of this extension inside the folder "extensions/".
 * 2) Maybe you also have some other lines in LocalSettings.php, which have to do with the extension you want to remove. Most likely this will be lines, which give certain users the right to access pages, which are provided by the extension. These lines contain the variable "$wgGroupPermissions" and make some settings there. As far as they have to do with rights, which come from the removed extension, you can remove these lines as well.
 * 3) Maybe your extension also has added columns to your database. The updater maintenance/update.php removes them, when you run it, after you have uninstalled the extension.

Developing extensions
This complex topic is handled on the developing extensions manual page.