PHP Manual: bcscale


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bcscale

(PHP 3, PHP 4, PHP 5)

bcscale -- Set default scale parameter for all bc math functions

Description

bool bcscale ( int scale )

Sets the default scale parameter for all subsequent 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

?>