PHP Address HTML

make-address.php

<?php

function make_address($info = array(), $line_seperator = "<br>\r\n") {
  extract($info);
  $address = "";
  if (isset($address_line_1) && $address_line_1) {
    $address .= $address_line_1;
  }
  if (isset($address_line_2) && $address_line_2) {
    if ($address) {
      $address .= $line_seperator;
    }
    $address .= $address_line_2;
  }
  if (isset($city) && $city) {
    if ($address) {
      $address .= $line_seperator;
    }
    $address .= $city;
  }
  if (isset($state) && $state) {
    if (isset($city) && $city) {
      $address .= ", ";
    } else if ($address) {
      $address .= $line_seperator;
    }
    $address .= $state;
  }
  if (isset($zip) && $zip) {
    if (isset($state) && $state) {
      $address .= " ";
    } else if (isset($city) && $city) {
      $address .= ", ";
    } else if ($address) {
      $address .= $line_seperator;
    }
    $address .= $zip;
  }
  return $address;
}