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Contribution guidelines

FileSender welcomes all contributions. It is impossible to make a product like this without the efforts of many people, so please don't be shy and share your help with us. Even the tiniest contribution can make a difference!

This guidelines briefly explain how to contribute to FileSender in an effective manner, making sure to keep high quality standards and making it easier for your contributions to make through.

Team members

Currently, the core team members are:

We've been lucky to have the help of many people through the years. FileSender wouldn't have reached so far without them, and we want to thank them from here. Unfortunately, they are so many it is nearly impossible to mention all of them. Github can offer a good summary on who has contributed to the project. Big thanks to you all!

First things first

Before embarking yourself in a contribution, please make sure you are familiar with the way FileSender is written, the way it works, and what is required or not.

Contributing code

New features are always welcome provided they will be useful to someone apart from yourself. Please take a look at the list of issues to see what people are demanding.

When contributing your code, please follow these guidelines:

  • Do not include many changes in every commit. Commits should be focused and address one single problem or feature. By having multiple, small commits instead of few large ones, it is easier to track what you are doing, revert changes in case of an error and help you out if needed.
  • Be explicit and write useful comment.
  • Keep things simple. Avoid big functions, long nested loops or if statements.
  • Include complete phpdoc documentation for every property and method you add. If you change a method or property, make sure to update the existing phpdoc accordingly. Do not forget to document all parameters, returned values and exceptions thrown.
  • Try to keep backwards-compatibility. Code that breaks current configurations and installations is difficult to deploy, and therefore we try to avoid it.
  • Add unit tests to verify that your code not only works but also keeps working over time. When adding tests, keep the same directory structure used for regular classes. Try to cover all your code with tests. The bigger the test coverage, the more reliable and better our library is.
  • Add proper documentation explaining your how to use your new feature or how your code changes things.
  • Submit your code as a pull request in GitHub, from a branch with a descriptive name in your own fork of the repository. Add a meaningful, short title, and explain in detail what you did and why in the description of the PR. Add instructions on how to test your code.

Sometimes it can take a long time until we are able to process your pull requests, so don't get discouraged if we don't respond rightaway. And remember that by following this guideline, you are making it easier for us to analyze your request, so the process will be smoother and faster. We really appreciate you helping us out, not only with your code, but also by following this guidelines.

Reporting bugs

Before reporting a bug, please make sure it is indeed a bug. Check the documentation to verify what the intended behaviour is. Review the list of issues and the pull requests to see if someone has already reported the same issue.

Pull requests are definitely more appreciated than plain issue reports, as they are easier and faster to address, but please, do not hesitate to open an issue if you don't have coding skills or just can't find the bug. It's better to have just an issue report than nothing!

You can help us diagnose and fix bugs by asking and providing answers to the following questions:

  • How can we reproduce the bug?
  • Is it reproducible in other environments (for example, on different browsers or devices)?
  • Are the steps to reproduce the bug clear? If not, can you describe how you might reproduce it?
  • What tags should the bug have?
  • How critical is this bug? Does it impact a large amount of users?
  • Is this a security issue? If so, how severe is it? How can an attacker exploit it?


FileSender is translated to many languages, though it needs constant updates from translators, as well as new translations to other languages. Translations can be contributed through POEditor.

Before starting a new translation, decide what style you want to use, whether you want to address the user using a formal tone, etc. Be coherent and keep that style through all your translations. If there is already a translation and you want to complete it, make sure to keep the same style used by your fellow translators.


Documentation is in the separate repository in markdown format. You can submit pull requests with fixes. If you encounter some feature that's not documented, or the documentation does not reflect the real behaviour of the library, please do not hesitate to open an issue.

Good documentation is key to make things easier for our users!


You don't feel capable of contributing with your code, but are using FileSender and can share your knowledge and experience? Please, do so! Join our users mailing list and help other users when you can. Your experience might be valuable for many!