Introduction
Explore effective PHP data validation techniques to ensure user input accuracy and security. Understand how to apply regular expressions, HTML5 client-side validation, JavaScript checks, and server-side validation with PHP. This lesson equips you with the skills to safeguard your forms from invalid inputs and enhance data handling reliability.
We'll cover the following...
We'll cover the following...
We often use HTML forms to collect data or inputs from users. Our role as developers is to make sure that the submitted data is valid. Imagine a form where users are allowed to submit a name in the email field. With such a form, we wouldn’t be able to contact the user.
Should we trust the user and assume that they’ll ...