NYCPHP Meetup

[Rob Marscher]

On Sep 14, 2010, at 3:57 PM, Chris Snyder wrote:
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> I'm seeing things like:
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> $total = round( round( $total, 2 ) + round( $rec['amt'], 2 ), 2 );
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> Is it safe to get rid of this round( round() + round() ) pattern?

If you change it, you'll get different results in certain cases.

Here's a simple example.
$total = .004;
$rec['amt'] = .003;
echo round( round( $total, 2 ) + round( $rec['amt'], 2 ), 2 );
// prints 0
echo round( $total + $rec['amt'], 2 );
// prints 0.01

-Rob