What are the potential pitfalls when using sprintf to format numbers in PHP?

When using sprintf to format numbers in PHP, a potential pitfall is not specifying the desired precision or padding for the numbers. This can lead to unexpected results or formatting errors. To avoid this issue, always ensure that you specify the precision and padding parameters in the sprintf function to format numbers correctly.

// Example of using sprintf with specified precision and padding
$number = 123.456;
$formatted_number = sprintf("%.2f", $number); // formats the number with 2 decimal places
echo $formatted_number;