In what ways can the readability and organization of PHP code be improved to make it easier for others to understand and potentially troubleshoot?

To improve the readability and organization of PHP code, it is important to follow coding standards such as using consistent indentation, meaningful variable names, and comments to explain complex logic. Additionally, breaking down large functions into smaller, more manageable ones can make the code easier to understand and troubleshoot.

// Example of improved readability and organization in PHP code

function calculateTotal($items) {
    $total = 0;
    
    foreach ($items as $item) {
        $price = $item['price'];
        $quantity = $item['quantity'];
        
        $subtotal = $price * $quantity;
        $total += $subtotal;
    }
    
    return $total;
}