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Comment by viraptor | Hacker News Reader

A bit unrelated to the discussion... but will anyone be surprised if they get a couple of cents more (or less) on their retirement?

From the report: "Each of those changes will have to be coded, tested, written-off, released, tested by the clients since this is tax data and has to be precise for tax planning and retirement planning."

From the documentation: "string number_format ( float $number [, int $decimals ] )"

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From the documentation is correct!

Passing a string instead of a float and expecting it to behave a certain way is undocumented. Oh my! Relying on undocumented behavior... a simple duh in the production world.

I'm not adding to the conversation, and I realize this. But simply my $0.02.

  But simply my $NULL.

Oops!

A couple of cents off individually might not matter. A couple of cents off cumulatively across a few hundred thousand individuals over a few years does matter.

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