PHP中计算百分比时怎么保证各部和为1

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Release： 2016-06-13 12:45:44

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PHP中计算百分比时如何保证各部和为1？

本帖最后由 Jasmine_xiaocao 于 2013-05-18 09:51:53 编辑

<br />
$total = $a+$b+$c+$d;<br />
<br />
$percentA = ceil($a*100.0/$total);<br />
$percentB = ceil($b*100.0/$total);<br />
$percentC = ceil($c*100.0/$total);<br />
$percentD = ceil($d*100.0/$total);<br />
<br />

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上面的代码似乎无法确保最后的总和是100%

<br />
$percentD = 100-$percentA-$percentB-$percentC;<br />

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除了这种方法，有其他方法吗？

Related labels：

array ceil nbsp

source：php.cn

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