working.php

$cat_query = "
      SELECT tct.CategoryType, tc.CategoryDescription
      FROM TSL_User_Categories tuc
	    LEFT JOIN TSL_Categories tc ON tc.CategoryId=tuc.CategoryId
	    LEFT JOIN TSL_CategoryTypes tct ON tc.CategoryTypeId=tct.CategoryTypeId
      WHERE tuc.SubscriberId=" . $row->SubscriberID;

    try {
      $result = mssql_query($cat_query);
      while($row = mssql_fetch_assoc($result)) {
        $x = 1;
      }
      mssql_free_result($result);
    } catch (Exception $e) {
      // Ignore as this seems to be empty result?
    }