Set or get default scale parameter for all bc math functions (original) (raw)
bcscale
(PHP 4, PHP 5, PHP 7)
bcscale — Set or get default scale parameter for all bc math functions
Description
bcscale ( int $scale ) : int
bcscale ( void ) : int
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, andbcscale() 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?> `