Excuse me, I know my question is not PHP specific, but I hope there are
some logical and mathematical talents in here, since I've always been
fighting with maths. ;-)
I have to provide a textfield, where workers enter their time they
worked on a certain subject. The smallest degree should be 15 minutes,
but the workers may enter every time, such as 357 or maybe 1:38.
Is there any better way to determine the next 15min step, than to take
for example 38 % 15 = 8 and see whether the result is nearer to 0 or to
15? In this case (8) 8 + 8 would be 16 so i would save 45 minutes of work.
These are just informations for calculation of upcoming projects, so I
don't have to check any legal rules for rounding work time or something
like this.
I think my way is quite complicated, so I hope anyone of you knows a
better possibility to round to a certain degree.
Thanks in advance,
Norbert
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