How should a PHP developer approach the issue of documentation and code quality when working on a project, and what impact can these factors have on the overall evaluation of the work by instructors or supervisors?

To address the issue of documentation and code quality in a PHP project, developers should follow best practices such as commenting code, using meaningful variable names, adhering to coding standards, and utilizing tools like PHPDoc for documentation generation. By maintaining clean and well-documented code, developers can improve readability, maintainability, and overall quality of the project. Instructors or supervisors will likely evaluate the work based on these factors, so it is important to prioritize documentation and code quality throughout the development process.

/**
 * 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;
}