Php/docs/function.bcscale
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bcscale
(PHP 4, PHP 5, PHP 7)
bcscale — Set 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
([ null $scale
= NULL
] ) : 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 |
---|---|
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, |
Examples
Example #1 bcscale() example
<?php// default scale : 3bcscale(3);echo bcdiv('105', '6.55957'); // 16.007// this is the same without bcscale()echo bcdiv('105', '6.55957', 3); // 16.007?>