bcscale

(PHP 4, PHP 5, PHP 7)

bcscaleSet or get default scale parameter for all bc math functions

Description

bcscale ( int $scale ) : int

Sets the default scale parameter for all subsequent calls to bc math functions that do not explicitly specify a scale parameter.

bcscale ( void ) : int

Gets the current scale factor.

Parameters

scale

The scale factor.

Return Values

Returns the old scale when used as setter. Otherwise the current scale is returned.

Changelog

Version Description
7.3.0 bcscale() can now be used to get the current scale factor; when used as setter, it now returns the old scale value. Formerly, scale was mandatory, and bcscale() always returned TRUE.

Examples

Example #1 bcscale() example

<?php

// default scale : 3
bcscale(3);
echo 
bcdiv('105''6.55957'); // 16.007

// this is the same without bcscale()
echo bcdiv('105''6.55957'3); // 16.007

?>