What are some best practices for structuring and organizing PHP code to make it easier for beginners to understand and work with?

When structuring and organizing PHP code for beginners, it is important to follow best practices such as using meaningful variable names, commenting code for clarity, breaking down complex tasks into smaller functions, and following a consistent coding style. By implementing these practices, beginners will find it easier to understand and work with PHP code.

// Example of structured and organized PHP code
function calculateArea($length, $width) {
    // Calculate the area of a rectangle
    $area = $length * $width;
    
    return $area;
}

$length = 5;
$width = 10;
$area = calculateArea($length, $width);

echo "The area of the rectangle is: " . $area;