bcscale

Set or get default scale parameter for all bc math functions

Description

int bcscale(int $scale)

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

int bcscale(null $scale = null)

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
8.0.0 scale is now nullable.
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

?>