Problems with doubles

[Anon]

Anybody got any idea how to make a double such as 3.30 dispaly as 3.30 and not 3.3.

It sounds simple enough but its driving me nuts.........

[Anon]

printf("The double value is: %5.2f\n", $double_value);

[cordex]

or you could use:
$num = "3.3";
$num = number_format($num, 2);