Re: Question
  By: David Drummond to Jasen Betts on Fri Sep 17 2004 17:38:28

 >  JB> does 2.2 qualify ?  how about is 1e5 ? 0xdeadbeef ? 0800 ? 3-1/2 ?
 > 
 > nope.

If lead zeros aren't something you want to worry about, the following:
if($data eq int($data)) {

Should work.
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