(PHP 4, PHP 5, PHP 7)
bcscale — Set or get default scale parameter for all bc math functions
$scale
) : intSets the default scale parameter for all subsequent calls to bc math functions that do not explicitly specify a scale parameter.
Gets the current scale factor.
scaleThe scale factor.
Returns the old scale when used as setter. Otherwise the current scale is returned.
| 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, and
bcscale() always returned TRUE.
|
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
?>