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bcscale

(PHP 4, PHP 5)

bcscale — Set default scale parameter for all bc math functions

说明

bool bcscale ( int $scale )

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

参数

scale

The scale factor.

返回值

如果成功则返回 TRUE,失败则返回 FALSE

范例

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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