vb.org Archive - Rounding?

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[D]Vincent

09-15-2002 07:00 AM

Rounding?

How would you get a number to round if it went into a decimal, like let's say I have 100.2, how would i get that to automatically go to 100? Or is there not a way?

Admin

09-15-2002 02:52 PM

PHP's round() function, or sprintf() for older versions.

[D]Vincent

09-15-2002 03:38 PM

Thanks ^^

But umm.. with the round how would I use it? Like how would I get it to know that it goes a decimal over to round up to the nearest 1?

futureal

09-15-2002 05:37 PM

You can use something like this:

PHP Code:


		
			
// round number up

$roundedup = ceil($number);



// round number down

$roundeddown = floor($number);



// round to nearest

$roundednearest = round($number);

[D]Vincent

09-15-2002 08:40 PM

Vincent]So if I did

PHP Code:


		
			
$blah1 = $blah2 * "1.2";

And $blah1 ended up being let's say 366.6 and I did

PHP Code:


		
			
 $blah = round($blah1);

then it would round it to 367 correct?

futureal

09-16-2002 09:19 PM

Correct. The round() function will always go to the nearest integer, while ceil() and floor() round up and down, respectively.

[D]Vincent

09-23-2002 10:16 AM

What if blah1 ended up being 205 and didn't have a decimal? Then what would happen?

Admin

09-23-2002 02:28 PM

If the number you are rounding is already an integer, it will stay the same. :)

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