PHP show only significant (non-zero) decimals

Question

In PHP (using built-in functions) I\'d like to convert/format a number with decimal, so that only the non-zero decimals show. However, another requirement of mine is that if

Answer 1

Out of the box that isn't possible because you have two different ways of treating the fragment of your floats. You'll first have to determine how many non-zero numbers there are in your fragment and then act accordingly with sprintf.

 " . sprintf("%.{$decimals}f", $number);

    echo "
";

}