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To: Stanislav Malyshev <smalyshev@gmail.com>,
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Date: Fri, 4 Jan 2019 14:30:03 +0100
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Subject: Re: [PHP-DEV] Inconsistent float to string vs. string to floatcasting
From: cmbecker69@gmx.de ("Christoph M. Becker")

On 03.01.2019 at 02:19, Stanislav Malyshev wrote:

> If this is part of a data pipeline, the difference between 1,500 and
> 1.500 can be huge (about 1000 times ;). With luck, there would be unit
> tests, so instead of broken bank account we'd have broken unit tests,
> but we all know how unit test coverage tends to lag behind...
> Number formatting difference may be a funny quirk in an average website
> context, but could be absolutely disastrous in scientific or financial
> application context.

Using floats for currency calculations may have more subtle issues.  And
for scientific applications, one may not want to have

   echo 123456789012345678.9; // 1,2345678901235E+17

-- 
Christoph M. Becker