What are some recommended resources for learning advanced PHP techniques?

To learn advanced PHP techniques, it is recommended to explore online resources such as PHP documentation, tutorials on websites like W3Schools and PHP.net, and online courses on platforms like Udemy and Coursera. Additionally, reading books like "PHP Objects, Patterns, and Practice" by Matt Zandstra and "Modern PHP: New Features and Good Practices" by Josh Lockhart can provide valuable insights into advanced PHP concepts. One recommended online resource for learning advanced PHP techniques is PHP documentation available at https://www.php.net/manual/en/.