(PHP 4, PHP 5)
bcscale — Set default scale parameter for all bc math functions
Sets the default scale parameter for all subsequent bc math functions that do not explicitly specify a scale parameter.
The scale factor.
如果成功则返回 TRUE ,失败则返回 FALSE 。
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
?> © 2005-2008 BlaBla.cn 版权所有