In PHP, how to print a number with 2 decimals, but only if there are decimals already?

Question

I have a basic index.php page with some variables that I want to print in several places - here are the variables:

Answer 1

You could use

   if (is_float($var)) 
   {
     echo number_format($var,2,'.','');
   }
   else
   {
     echo $var;
   }