PHP 4, PHP 5, PHP 7, PHP 8
bcscale - Set or get default scale parameter for all bc math functions

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.

intbcscale nullscalenull



The scale factor.

Return Values

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


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, scale was mandatory, and bcscale always returned true.

Example of bcscale

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Function bcscale:

BCMath Arbitrary Precision Mathematics Functions

Most used PHP functions