BC math
PHP Manual

bcscale

(PHP 4, PHP 5)

bcscale — Set default scale parameter for all bc math functions

Description

bool bcscale ( int $scale )

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

Parameters

scale

The scale factor.

Return Values

Returns TRUE on success or FALSE on failure.

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

?>


BC math
PHP Manual