Web Security: Common Vulnerabilities And Their Mitigation - Validating input

The video tutorial covers the importance of validating user input in web development, emphasizing security. It provides a detailed example of form validation using PHP, including error messaging and handling. The tutorial explains how to use PHP scripts to validate form inputs, focusing on regular expressions and PHP's filter functions for sanitizing and validating data.

What are the consequences of not validating user input?

What checks are performed to validate a name input field?

What function is used in PHP to validate email addresses?

Explain the significance of the filter_var function in PHP.