How can PHP beginners improve their understanding of Doxygen documentation generation?

PHP beginners can improve their understanding of Doxygen documentation generation by reading the official Doxygen documentation, practicing generating documentation for their own PHP code, and studying examples of well-documented PHP projects. By actively using Doxygen to document their code and exploring its various features, beginners can gain hands-on experience and a deeper understanding of how to effectively generate documentation.

/**
 * This function calculates the sum of two numbers.
 *
 * @param int $num1 The first number
 * @param int $num2 The second number
 * @return int The sum of the two numbers
 */
function calculateSum($num1, $num2) {
    return $num1 + $num2;
}