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数学 | Mathematics

bcscale

bcscale

(PHP 4, PHP 5, PHP 7)

bcscale — Set default scale parameter for all bc math functions

Description

bool bcscale ( int $scale )

Sets the default scale parameter for all subsequent calls to bc math functions that do not explicitly specify a scale parameter.

Parameters

scale

The scale factor.

Return Values

Returns TRUE on success or FALSE on failure.

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 ?>

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https://secure.php.net/manual/en/function.bcscale.php