I'm not sure how to explain this,
I need $num to look like a currency, so if it was '1' then it would be changed to '1.00', if it was '1.5 it' would be 1.50 and if it was '1.789' it would be 1.79, i thought that maybe i could use round() but i'm not sure how.

round() can take two parameters, one is the number itself and the other is the number of digits after the decimal. So if you supply '2' as the second paramter, then it should do what you want.

PHP Code:

$cost = round(1023.9687, 2);
echo '$' . $cost; // $1023.97 


i have already tried that, but it just leaves 1 as 1 it doesn't add .00.

If there isn't already a decimal, then you can just use number_format() combined with round to do the job.

PHP Code:

$cost = 1;

$cost = number_format(round($cost, 2), 2);

echo $cost; // 1.00 


Use number_format($number, 2);That'll get you two decimal places, and add zeroes if necessary.

EDIT: D'oh! Just too late!!

thank you, both