bcscale
(PHP 3, PHP 4, PHP 5)
bcscale --
Set default scale parameter for all bc math functions
Description
bool
bcscale
( int scale )
This function sets the default scale parameter for all subsequent
bc math functions that do not explicitly specify a scale
parameter. 如果成功则返回
TRUE
，失败则返回
FALSE
。
范例
例子 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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