# Funktionsreferenz

Round

Returns a number rounded to a specified number of decimal places.

Round ( expression [, decimalplaces] )

Parameter

expression | Any valid numeric expression.
decimalplaces | [optional] Number indicating how many places to the right of the decimal are included in the rounding. If omitted, Round returns an integer.

Bemerkungen

The decimalplaces parameter can be negative which allows you to round to the ones, tens, hundred, etc. place. Note that up to fifteen digits of a number are displayed, and note that decimalplaces will never pad a number with trailing zeros.

Siehe auch

Int, Number

Beispiel

$x = Round(-1.582, 1) ;returns -1.6
$y = Round(3.1415, 9) ;no change
$z = round(123.5, -1) ;returns 120