Removing spaces from Postal Codes

[eluser]CroNiX[/eluser]
probably the easiest is to just use str_replace() and remove any spaces from the 2 zipcode vars

Code:

function get_distance($z1, $z2) {
  $z1 = str_replace(' ', '', $z1);
  $z2 = str_replace(' ', '', $z2);
  //...rest the same