[SOLVED] Round to 0.5, 1.5, 2.5 etc

[fri3ndly]

Hello

 

I have a star rating system which will look up ratings that will be '2.3', '0.7' etc

 

I am trying to round up to the nearest half number as I have half stars to show if this is the case...

 

so... 2.3 > 2.5, 0.7 > 1  etc etc

 

Please can someone help as round or ceil arent helping

[lemmin]

<?php
   $rating=2.4;
   $rounded = round($rating*2)/2;
?>

This code would round 0.7 down because it is less than halfway to 1 from 0.5. It seems to me that you would want to round .6 and .7 down and .8 and .9 up, but if you really want to round .7 up you can just check for it like this:

<?php
$rating=2.7;
if (($rating*10)%10 == 7)
$rounded = $rating+0.3;
else
$rounded = round($rating*2)/2;
?>

[fri3ndly]

Thanks lemmin, the first code is exactly what I mean. I probably didnt explin very well.

 

Perfect!