Are there any potential pitfalls to be aware of when rounding numbers in PHP?

When rounding numbers in PHP, it is important to be aware of potential pitfalls such as losing precision or encountering unexpected results due to the way floating-point numbers are represented internally. To avoid these issues, it is recommended to round numbers using the round() function with the correct precision specified.

$number = 10.555;
$rounded_number = round($number, 2);
echo $rounded_number; // Output: 10.56