# Nullai Documentation ## Docs - [Introduction](https://docs.nullai.com/introduction.md): Access the minimal PHP and UI tools by Nullai. - [Filter HTML](https://docs.nullai.com/v1/hygiene/filter-html.md): Whitelist and blacklist HTML tags. - [Installation](https://docs.nullai.com/v1/hygiene/install.md): To get started with Hygiene, you need to have PHP 8.4 installed on your system. - [Hygiene Overview](https://docs.nullai.com/v1/hygiene/overview.md): A brand new, blazing-fast, and ultra-lightweight PHP HTML sanitizer for modern PHP 8.4+ applications. - [Sanitize HTML](https://docs.nullai.com/v1/hygiene/sanitize-html.md): Sanitization of raw HTML, attributes, and JSON. - [Example](https://docs.nullai.com/v1/vista/example.md): An example project to showcase Vistas workflow. - [Includes](https://docs.nullai.com/v1/vista/includes.md): You can use includes within any view relative to the root views folder. - [Installation](https://docs.nullai.com/v1/vista/install.md): To get started with Vista, you need to have PHP 8.4 installed on your system. - [Layout](https://docs.nullai.com/v1/vista/layout.md): Layouts provide the tooling needed to wrap a views output. - [Vista Overview](https://docs.nullai.com/v1/vista/overview.md): Vista is a minimalist PHP view engine that focuses on performance and simplicity.