# Taint

- Introduction
- Installing/Configuring
  - Requirements
  - Installation
  - Runtime Configuration
  - Resource Types
- More Details
  - Functions and Statements which will spread the tainted mark of a tainted string
  - Functions and statements which will check tainted string
  - Functions which untaint the tainted string
- Taint Functions
  - is_tainted — Checks whether a string is tainted
  - taint — Taint a string
  - untaint — Untaint strings