These files are available online at PHP.earth.
We are always looking forward to see your contribution to these knowledge resources as well.
If you feel that there is something missing and should be pointed out, or you've just found a typo, don't hesitate to open an issue or send a pull request. The contributing document contains more information about contributing.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license. Code snippets in examples are published under the CC0 1.0 Universal (CC0 1.0).
Big thanks to all the authors and contributors.
The generate script generates PDF and HTML from the Markdown sources:
.github/generate