How can proper formatting and commenting improve the readability and maintainability of PHP code?

Proper formatting and commenting in PHP code can improve readability by making the code structure clear and easy to follow. It also helps in maintaining the code by providing insights into the logic and purpose of different sections. Adding comments to explain the functionality of the code can make it easier for other developers to understand and modify the code in the future. 

// This is a PHP code snippet with proper formatting and commenting
// This function calculates the sum of two numbers
function calculateSum($num1, $num2) {
    // Add the two numbers
    $sum = $num1 + $num2;
    
    // Return the sum
    return $sum;
}

// Example usage of the function
$result = calculateSum(5, 10);
echo "The sum is: " . $result;

Keywords

formatting commenting readability maintainability PHP code

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