In terms of best practices, what considerations should be made when modifying existing PHP code for output formatting?

When modifying existing PHP code for output formatting, it is important to consider readability, maintainability, and performance. It is recommended to use consistent indentation, meaningful variable names, and comments to explain the purpose of the code. Additionally, utilizing PHP's built-in functions for formatting output, such as sprintf() or number_format(), can help improve the clarity of the code. 

// Example of modifying existing PHP code for output formatting
$price = 25.99;
$discount = 0.2;
$total = $price * (1 - $discount);

// Output formatted price with 2 decimal places
echo "Total price: $" . number_format($total, 2);

Keywords

PHP output formatting code modification security vulnerabilities performance optimization

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