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Hands-on PHP & MySQL: Build a CRUD Application

Verify Security Refactoring

Understand how to test key security improvements in your PHP CRUD app by verifying HTML tag escaping and preventing duplicate entries. This lesson guides you through practical verification steps to ensure your refactoring enhances application security.

We'll cover the following...

In the previous lesson, we learned how to escape HTML tags with the htmlspecialchars() function and how to avoid the duplication of content.

Now it’s time for ...