Re: floored by floor()
| From: | gaojian | Date: | Thu, 14 Oct 2010 06:56:57 +0000 |
| Subject: | Re: floored by floor() | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-308690@lists.php.net to get a copy of this message | ||
在 2010-10-13三的 22:48 -0700，Mattias Thorslund写道：
> Hi List,
>
> I'm having a problem with the behavior of the floor() function:
>
> echo floor(327.03 * 100)."\n"; //prints "32702" and not "32703"!!
>
> Sanity check:
> var_dump(327.03 * 100); //prints "float(32703)" as expected
>
> Any ideas why this happens, and how to work around it?
>
> Thanks,
>
> Mattias
>
>
i think u should read the manual about int and float:
http://www.php.net/manual/en/language.types.integer.php
http://www.php.net/manual/en/language.types.float.php#warn.float-precision
jim