How can I ensure that my PHP code follows best practices when dealing with numeric formatting?

When dealing with numeric formatting in PHP, it is important to follow best practices to ensure consistency and readability. One way to achieve this is by using the number_format() function, which allows you to format numbers with specified decimal points, thousands separators, and decimal separators. By using this function, you can ensure that your numeric values are formatted correctly according to your requirements.

$number = 1234567.89;
$formatted_number = number_format($number, 2, '.', ',');
echo $formatted_number;