2 decimal numbers in php ?

Question

For example:
(a)123 / (b)1000 = (c)0,123
echo c must be 0,12

How can this be done ?

Answer 1

Use round(), sprintf() or number_format().

Examples:

<?php
$res = 123/1000;
printf('%.2f', $res);
echo round($res, 2);
echo number_format($res, 2);
?>

Answer 2

Use number_format http://php.net/number_format

Answer 3

Using sprintf() can be a way to do that.