How can the user improve the readability and maintainability of the PHP code snippet?

Issue: The PHP code snippet is difficult to read and maintain due to its lack of proper indentation, spacing, and comments. Solution: To improve readability and maintainability, the user can add proper indentation, spacing, and comments to the code snippet. This will make it easier to understand the logic of the code and make future modifications or debugging simpler. 

<?php

// Calculate the sum of two numbers
function calculateSum($num1, $num2) {
    $sum = $num1 + $num2;
    
    return $sum;
}

// Display the result
$num1 = 10;
$num2 = 20;
$result = calculateSum($num1, $num2);
echo "The sum of $num1 and $num2 is: $result";

?>

Keywords

code refactoring PHPDoc naming conventions code comments code organization

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