Return the city name to query local weather based on IP judgment

header("content-type:text/html;charset=utf-8");
date_default_timezone_set("Asia/Shanghai");
error_reporting(0);
// Determine the city based on IP
$ user_ip = $_SERVER['REMOTE_ADDR'];
$url ="http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip=$user_ip";
$address = file_get_contents($ url);
$address_arr = json_decode($address); //Return object, needs to be converted to array

//Take Shanghai as an example

stdClassObject
	(
	[ret] => 1
	[start] => -1
	[end] => -1
	[country] => China
	[province] => Shanghai
	[city] => Shanghai
	[district] =>
	[isp] =>
	[type] =>
	[desc] =>
	)

function object_array($array){
　if(is_object($array)){
　　$array = (array)$array;
　}
　if(is_array($array)){
　　foreach($array as $key=> ;$value){
　　　$array[$key] = object_array($value);
　　}
　}
　　return $array;
}

//Convert to an array through this function
$address_arr = object_array($address_arr);

// print_r($address_arr);

Array
	(
	[ret] => 1
	[start] => -1
	[end] => -1
	[country] => China
	[province] => Shanghai
	[city] => Shanghai
	[district] =>
	[isp] =>
	[type] =>
	[desc] =>
	)

$city = $address_arr["city"];

//The output is Shanghai, and the obtained city can query the local weather through Baidu Weather API

$con=file_get_contents("http://api.map.baidu.com/telematics/v3/weather?location=$city&output=json&ak=spmMww7Eoqcmf3FXbnLyDUwL"); //Note that the ak value needs to be registered in the Baidu interface, and the address must be attached ：http://lbsyun.baidu.com/apiconsole/key
$con = json_decode($con);

print_r($con);

stdClassObject
	(
	[error] => 0
	[status] => success
	[date] => 2016-09-23
	[results] => Array
	(
	[0] => stdClass Object
	(
	[currentCity] => Shanghai
	[pm25] => 42
	[index] => Array
	(
	[0] => stdClass Object
	(
	[title] => Dressing
	[zs] => Hot
	[tipt] => Clothing index
	[des] => The weather is hot, so it is recommended to wear short skirts, shorts, short thin jackets, T-shirts and other summer clothing.
	)
	[1] => stdClass Object
	(
	[title] => Car wash
	[zs] => more suitable
	[tipt] => Car wash index
	[des] => It is more suitable for car washing. There will be no rain in the coming day and the wind will be light. A clean car can last at least one day.
	)
	[2] => stdClass Object
	(
	[title] => Travel
	[zs] => suitable
	[tipt] => Tourism Index
	[des] => The weather is good, but it will not affect your mood for traveling at all. The temperature is suitable and there is a breeze, making it suitable for traveling.
	)
	[3] => stdClass Object
	(
	[title] => Cold
	[zs] => Send less
	[tipt] => Cold index
	[des] => The weather conditions are suitable, there is no obvious cooling process, and the chance of catching a cold is low.
	)
	[4] => stdClass Object
	(
	[title] => Sports
	[zs] => more suitable
	[tipt] => Sports index
	[des] => The weather is fine, please pay attention to sun protection when doing outdoor sports. Indoor exercise is recommended.
	)
	[5] ​​=> stdClass Object
	(
	[title] => UV intensity
	[zs] => weak
	[tipt] => UV intensity index
	[des] => The intensity of ultraviolet rays is weak. It is recommended to apply sunscreen skin care products with SPF between 12-15 and PA+ before going out.
	)
	)
	[weather_data] => Array
	(
	[0] => stdClass Object
	(
	[date] => Friday, September 23 (real time: 26℃)
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/duoyun.png
	[weather] => Cloudy
	[wind] => east breeze
	[temperature] => 27 ~ 21℃
	)
	[1] => stdClass Object
	(
	[date] => Saturday
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/duoyun.png
	[weather] => Cloudy
	[wind] => east breeze
	[temperature] => 28 ~ 23℃
	)
	[2] => stdClass Object
	(
	[date] => Sunday
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/yin.png
	[weather] => Cloudy to overcast
	[wind] => east breeze
	[temperature] => 28 ~ 23℃
	)
	[3] => stdClass Object
	(
	[date] => Monday
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/yin.png
	[weather] => Cloudy to overcast
	[wind] => Northeasterly breeze
	[temperature] => 29 ~ 25℃
	)
	)
	)
	)
	)

$arr = object_array($con); //Continue converting to array operation

$detail = $arr["results"][0]["weather_data"];
$city = $arr["results"][0]["currentCity"];

print_r($detail);

Array
	(
	[0] => Array
	(
	[date] => Friday, September 23 (real time: 26℃)
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/duoyun.png
	[weather] => Cloudy
	[wind] => east breeze
	[temperature] => 27 ~ 21℃
	)
	[1] => Array
	(
	[date] => Saturday
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/duoyun.png
	[weather] => Cloudy
	[wind] => east breeze
	[temperature] => 28 ~ 23℃
	)
	[2] => Array
	(
	[date] => Sunday
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/yin.png
	[weather] => Cloudy to overcast
	[wind] => east breeze
	[temperature] => 28 ~ 23℃
	)
	[3] => Array
	(
	[date] => Monday
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/yin.png
	[weather] => Cloudy to overcast
	[wind] => Northeasterly breeze
	[temperature] => 29 ~ 25℃
	)
	)

//Get weather data and adjust it according to your needs

?>