Re: Need unrounded precision

From: Date: Mon, 12 Oct 2009 00:50:11 +0000
Subject: Re: Need unrounded precision
References: 1  Groups: php.general 
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On Fri, Jan 1, 2010 at 9:20 PM, 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 > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > Try sprintf with a format of %0.1f.

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