I've been programming for a while, but I feel like my understanding of web application development has gotten rusty. I'd like to rebuild a solid foundation, especially around object-oriented programming, principles such as Single Responsibility, and designing applications with a clean architecture. I also want to review common web security risks, including SQL injection and cross-site scripting. I mainly work with PHP, so recommendations for PHP-focused books, courses, projects, or reliable security references would be especially helpful.
2 Answers
A book may be the best fit if you want a structured review. “Mastering PHP Design Patterns” by Junade Ali is somewhat dated and focuses on PHP 7, but it gives a useful overview of common design patterns and how they apply to PHP projects. Pairing it with current PHP documentation and modern security guidance would help cover anything that has changed.
A practical way to refresh is to rebuild one of your older projects from scratch, this time paying close attention to separation of responsibilities, maintainable structure, and security. A guided curriculum such as The Odin Project can also help fill in gaps, even if you adapt the examples to PHP. For security, OWASP’s documentation and cheat sheets are excellent references for topics like SQL injection, XSS, authentication, and input validation.
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