Grav was designed to be simple and focused, dealing with pages only. The idea is that Grav itself is super-lean, providing just enough functionality to do the basics: routing, Markdown to HTML compiling, Twig templating, and caching.
However, we knew that we wanted to ensure Grav could grow and provide powerful functionality when required, so we built event hooks throughout the system so that everything could be extended with plugins.
All the key objects in Grav are accessible through a powerful Dependency Injection Container. With Grav's event hooks throughout the entire life cycle, you can access anything that Grav knows about, and manipulate it as you need. With this system you have complete control to add as much functionality as you need.
The best way to learn what can be done with plugins is to download some of these and look at what they are doing, and how they are doing it. In the next chapter we will create a simple plugin from scratch!
All plugins are located in your
user/plugins folder. With the base Grav install, there are only two plugins provided:
error plugin is used to handle HTTP errors, like 404 Page Not Found.
problems plugin is useful for new Grav installations because it detects any issues with your hosting setup, missing folders, or permissions that could cause problems with Grav. Only the
error plugin is really essential for proper operation.
Every plugin in the
user/plugins folder should have a unique name, and that name should closely define the function of the plugin. Please do not use spaces, underscores, or capital letters in the plugin name.
To access plugin configuration settings via Twig (i.e. within a Theme), the general format is:
If plugin name contains dashes you should refer to its properties using :
Found errors? Think you can improve this documentation? Simply click the Edit link at the top of the page, and then the icon on Github to make your changes.
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