Set or get default scale parameter for all bc math functions

Descrierea

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.

Parametri

scale: The scale factor.

Valorile întoarse

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

Istoricul schimbărilor

Versiune	Descriere
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`.

Exemple

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

?>