In recent years, cybersecurity breaches have become a significant concern, especially with the increasing reliance on digital platforms for sensitive data transactions. A study reveals that $35\%$ of online users have experienced security breaches due to weak passwords. Despite this, $85\%$ of respondents reported using two$-$factor authentication. Password managers and cybersecurity software are increasingly recognised as vital tools for managing passwords and preventing unauthorized data leaks, particularly for users with limited cybersecurity knowledge. In $2022,$ the Gauteng Department of Health's local government website was compromised by hackers. The breach resulted in the potential exposure of personal information, which may have been transferred outside the organization. The department is currently investigating the extent of the accessed data, expressing grave concerns about the data's confidentiality and integrity. As a developer and cybersecurity anast for the Gauteng Department of Health, you are tasked with developing a secure registration system that validates user ID numbers. The system should adhere to stringent validation rules to enhance security and data integrity.You need to build a secure registration system that can validate user inputs through a secure HTML form.The system should ensure the robustness of data protection measures. Write PHP code that can process the following HTML form: