get_distance($zip1, $zip2)
get_zip_code_using_lat_lon($lat, $lon)
get_zip_details($zip)
get_zip_point($zip)
calculate_mileage($lat1, $lat2, $lon1, $lon2)
get_zips_in_range($zip, $range, $sort = 1, $include_base)
get_zips_in_range_old($zip, $range, $sort = 1, $include_base)
chronometer()
last_error
last_time
units
decimals