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Extending Smarty With Plugins {#plugins}
=============================
## Table of contents
- [How Plugins Work](./plugins/plugins-howto.md)
- [Naming Conventions](./plugins/plugins-naming-conventions.md)
- [Writing Plugins](./plugins/plugins-writing.md)
- [Template Functions](./plugins/plugins-functions.md)
- [Modifiers](./plugins/plugins-modifiers.md)
- [Block Functions](./plugins/plugins-block-functions.md)
- [Compiler Functions](./plugins/plugins-compiler-functions.md)
- [Prefilters/Postfilters](./plugins/plugins-prefilters-postfilters.md)
- [Output Filters](./plugins/plugins-outputfilters.md)
- [Resources](./plugins/plugins-resources.md)
- [Inserts](./plugins/plugins-inserts.md)
Version 2.0 introduced the plugin architecture that is used for almost
all the customizable functionality of Smarty. This includes:
- functions
- modifiers
- block functions
- compiler functions
- prefilters
- postfilters
- outputfilters
- resources
- inserts
With the exception of resources, backwards compatibility with the old
way of registering handler functions via register\_\* API is preserved.
If you did not use the API but instead modified the class variables
`$custom_funcs`, `$custom_mods`, and other ones directly, then you will
need to adjust your scripts to either use the API or convert your custom
functionality into plugins.