Posting to newsgroup php.internals, you wrote:
[...]
round(), on the other hand, does more than the standard C functions do:
With the additional places argument, it allows to round not only to
integers but to arbitrary places. And this is precisely the thing that
causes all the problems. ;-)
Hi!
Note too that the value actually stored in $f differs from that we may expect
simply reading the source: the difference is very small, but it exists. Float
values can always be converted back in decimal base with exact precision, so
for example in our case the $f variable now contains
