PHP

Rounding FLoating-Point Numbers

You want to round a floating-point number, either to an integer value or to a set number of decimal places.

Use the following functions:

round(): to round a number to the closest integer.
ceil(): to round up.
floor(): to round down.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN" lang="EN">
<head>
<title>Rounding FLoating-Point Numbers</title>
<meta Name="Author" Content="Hann So">
</head>
<body>
<p>
<?php
echo "Rounding number of 10.3 is: ", round(10.3), "<br />";
echo "Rounding up number of 10.3 is: ", ceil(10.3), "<br />";
echo "Rounding down number of 10.3 is: ", floor(10.3), "<br />";
?>
</p>
</body>
</html>

View the effect