PHP/Math/round
float round ( float num [, int precision] ) rounds parameter to the nearest integer to its current value
<source lang="html4strict">
<?
$number = round(11.1); // 11 $number = round(11.9); // 12 $number = round(11.5); // 12 $number = round(11); // 11
?>
</source>
Provide the number of decimal places to round to:
<source lang="html4strict">
<?
$a = round(4.4999); // 4 $b = round(4.123456, 3); // 4.123 $c = round(4.12345, 4); // 4.1235 $d = round(1000 / 160); // 6
?>
</source>
round a double
<source lang="html4strict">
<?
echo round(2.56);
echo "
";
echo round(1.22);
echo "
";
echo round(55.22);
?>
</source>