How can the code provided be improved to adhere to best practices in PHP development, especially in terms of readability and maintainability?

The code provided can be improved for readability and maintainability by using meaningful variable names, adding comments to explain complex logic, and breaking down long lines of code into smaller, more manageable chunks. Additionally, separating concerns by creating separate functions for different tasks can also improve the overall structure of the code. 

<?php

// Improved code with better variable names, comments, and separate functions for different tasks

function calculateTotalPrice($price, $quantity) {
    return $price * $quantity;
}

function applyDiscount($totalPrice, $discount) {
    return $totalPrice - ($totalPrice * $discount);
}

$price = 10;
$quantity = 5;
$discount = 0.1;

$totalPrice = calculateTotalPrice($price, $quantity);
$finalPrice = applyDiscount($totalPrice, $discount);

echo "Total price: $totalPrice\n";
echo "Final price after discount: $finalPrice\n";

?>

Keywords

refactoring code quality readability maintainability PHP standards clean code

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