Re: =.='' what wrong ? just simple code, however error.

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LKSunny wrote:

> <?
> $credithold = 100;
> for($i=1;$i<=1000;$i++){
> $credithold -= 0.1;
> echo "$credithold<br />";
> }
> //i don't know why, when run this code, on 91.3  after expect is 91.2,
> however......91.200000000001
> //who can help me ? and tell me why ?

It's a floating point rounding error.  If you don't need the accuracy,
just round it to what you need.


/Per Jessen, Zürich


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