/** @brief Return planet position from coordinates.
 *  @param[in] string $coordinates planet coordinates (galaxy:system:position)
 *  @return int planet position
 */
function ogame_find_planet_position($coordinates);
/** @brief Return coordinates in array.
 *  @param[in] string $string_coord Coordinates, in string like in Database ('2:3:4')
 *  @return array('g','s','p') of int, default is 0 ('::6' give planet position of 6)
 */
function ogame_find_coordinates($string_coord);