Learn what validation and sanitization are, why they are important, and how to implement them in PHP forms using best practices for web application design.

Validate module has validators for basic PHP types. For strings, you can use 'regexp' and 'callback' for complex validation. This allows any kinds of string validation by array of rules for a input.

JSON-PHP Handler & Data-validator is a php based library which provides an easy way to: Generate highly dynamic HTML forms (Using JSON). Validate the HTML form response in the backbend. Store the user ...