PHP 根據百度IP接口獲取地理位置

//百度根據IP獲取地理位置
public function get_ip_place($ip)
{
    $address = file_get_contents("http://api.map.baidu.com/location/ip?ak=vuHn2eZoEKDf9bBhGZjM9lYEekU9XoTo&ip=$ip");
    $address = json_decode($address,true);
    $address =$address['content']['address'];
    return $address;
}

百度接口返回結果 

{
	"address": "CN|河北|石家莊|None|CHINANET|0|0",
	"content": {
		"address_detail": {
			"province": "XX省",
			"city": "XX市",
			"district": "",
			"street": "",
			"street_number": "",
			"city_code": 150
		},
		"address": "河北省石家莊市",
		"point": {
			"y": "4559763.02",
			"x": "12748678.55"
		}
	},
	"status": 0
} {
	"address": "CN|XX|XX|None|CHINANET|0|0",
	"content": {
		"address_detail": {
			"province": "XX省",
			"city": "XX市",
			"district": "",
			"street": "",
			"street_number": "",
			"city_code": XXX
		},
		"address": "XX省XX市",
		"point": {
			"y": "45XXXXX.02",
			"x": "12XXX.55"
		}
	},
	"status": 0
}