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bcscale (PHP 3, 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.
返回值
如果成功则返回 TRUE,失败则返回 FALSE。
范例
例 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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