Update and backup functionality for standalone PHP projects: a PHP client that fetches, verifies and installs releases from a central server, creates and uploads backups of operational data, and reports the installation's status. No dependencies, no Composer, no build step.
This is the index for programs. Every page is plain Markdown and individually retrievable. {{PAGE_COUNT}} pages in total, {{TOTAL_SIZE}} combined — don't load all of it. The What each page is for section names, for the usual tasks, the short list that suffices; the size shown after each page helps with estimating.
Addresses:
The source-code pages reproduce each file's content completely and unchanged, in a code block under the path where the file must live in the project. They're meant to be adopted, not used as a template to rewrite.
Not included: manage-client/config.php. This file carries a specific
instance's access token and is not published. Its template is
manage-client/config.sample.php.