How important is it to supplement online tutorials with physical books when learning PHP, and what are some recommended books for beginners?

It is important to supplement online tutorials with physical books when learning PHP as books often provide a more structured and comprehensive approach to learning the language. They can also offer in-depth explanations and examples that may not be found in online resources. Some recommended books for beginners learning PHP include "PHP and MySQL for Dynamic Web Sites" by Larry Ullman, "Learning PHP, MySQL & JavaScript" by Robin Nixon, and "Modern PHP: New Features and Good Practices" by Josh Lockhart.

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// Code snippet implementing the fix
// This is just a placeholder code snippet
echo "Hello, World!";
?>