> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nullai.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Hygiene Overview

> A brand new, blazing-fast, and ultra-lightweight PHP HTML sanitizer for modern PHP 8.4+ applications.

Hygiene is a lightweight and efficient PHP HTML sanitizer designed for modern PHP 8.4+ applications, providing robust protection against security risks like XSS attacks. It sanitizes raw HTML, attributes, and JSON data, offering flexible whitelisting and blacklisting to control content safety.

<Card title="GitHub Repo" icon="github" href="https://github.com/nullaidev/hygiene">
  Keep your HTML clean with Hygiene.
</Card>

## Key Features

<CardGroup cols={2}>
  <Card title="Sanitize Raw HTML" icon="code">
    Clean raw HTML content to remove harmful elements, preventing security issues like XSS attacks and ensuring safe content rendering.
  </Card>

  <Card title="Sanitize Attributes" icon="brackets-square">
    Sanitize attributes like <code>src</code> and <code>href</code> to ensure only safe, valid values are included, blocking malicious content.
  </Card>

  <Card title="Sanitize JSON" icon="brackets-curly">
    Remove potentially harmful or malformed characters from JSON data, ensuring it's safe for parsing and prevents injection risks.
  </Card>

  <Card title="HTML Filter (Whitelist & Blacklist)" icon="filter">
    Filter HTML using a whitelist to allow only specific tags or a blacklist to remove unwanted elements, giving you full control over the content.
  </Card>
</CardGroup>

## Security Vulnerabilities

If you discover a security vulnerability within Hygiene, please submit an issue on GitHub. All security vulnerabilities will be promptly addressed.

## License

The Hygiene PHP utility is open-sourced software licensed under the [MIT license](https://opensource.org/licenses/MIT).