Services around the Wikibase DataModel


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Wikibase DataModel Services is a collection of services around Wikibase DataModel. It is part of the Wikibase software.

Recent changes can be found in the release notes.

Library contents

In order to be allowed in this package, code needs to:

  • Be using Wikibase DataModel
  • Not belong to a more specific component
  • Not introduce heavy dependencies to this component
  • Not be presentation code


You can use Composer to download and install this package as well as its dependencies. Alternatively you can simply clone the git repository and take care of loading yourself.


To add this package as a local, per-project dependency to your project, simply add a dependency on wikibase/data-model-services to your project's composer.json file. Here is a minimal example of a composer.json file that just defines a dependency on Wikibase DataModel Services 3.x:

    "require": {
        "wikibase/data-model-services": "~3.0"


Get the Wikibase DataModel Services code, either via git, or some other means. Also get all dependencies. You can find a list of the dependencies in the "require" section of the composer.json file. The "autoload" section of this file specifies how to load the resources provide by this library.


This library comes with a set up PHPUnit tests that cover all non-trivial code. Additionally, code style checks by PHPCS and PHPMD are supported. The configuration for all 3 these tools can be found in the root directory. You can use the tools in their standard manner, though can run all checks required by our CI by executing composer ci. To just run tests use composer test, and to just run style checks use composer cs.


See also