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

If you want a built-in solution and you're using a PHP version later than 4.2 you could try floatval():

echo floatval(9.200);

prints

9.2

but

echo floatval(9.123);

prints

9.123

Hope this helps.