Codex

Interested in functions, hooks, classes, or methods? Check out the new WordPress Code Reference!

Validating Sanitizing and Escaping User Data

Validating: Checking User Input

Migrated to: https://developer.wordpress.org/apis/security/data-validation/

Sanitizing: Cleaning User Input

Migrated to https://developer.wordpress.org/apis/security/sanitizing/

Escaping: Securing Output

Migrated to https://developer.wordpress.org/apis/security/escaping/