Weather query citycode query interface, also available in sae

Weather query citycode query interface will be used when using the National Weather Service weather forecast, you know.
                 
                                                                                                                                                                                                                                                                                                                  

  $ cityCode = file_get_contents($url);
 if($cityCode == '' || $cityCode == NULL){
 return NULL;
 }else{
 return $cityCode;
 }
}


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