Re: Need unrounded precision
| From: | Diogo Neves | Date: | Mon, 12 Oct 2009 14:18:45 +0000 |
| Subject: | Re: Need unrounded precision | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-298858@lists.php.net to get a copy of this message | ||
A simple way to do that would be:
$elapsed = strval( 28.56018 );
$pos = strpos( $elapsed, '.' );
echo $elapsed[ ++$pos ];
On Sat, Jan 2, 2010 at 2:20 AM, Andre Dubuc <aajdubuc@webhart.net> wrote:
> Hi,
>
> I need to extract the first digit after the decimal point from a number
> such
> as 28.56018, which should be '5'.
>
> I've tried a few methods to accomplish this. If I use 'ini_set' I would
> need
> to know the number of digits before the decimal (which, unfortunately, I
> would not have access to).
>
> Then I've tried:
>
> <?php
>
> $elapsed = 28.56018;
>
> $digit = round($elapsed, 1); // rounds result is '6'
> $digit = number_format($elapsed, 1); // still rounds result to '6'
>
> ?>
>
> What I need is only the first digit after the decimal -- all the rest could
> be 'chopped' or discarded but without rounding the first digit after the
> decimal point.
>
> Is there any way of doing this?
>
> I'm stumped.
>
> Tia,
> Andre
>
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>
--
Thanks,
Diogo Neves
Web Developer @ SAPO.pt by PrimeIT.pt