php获取当前用户所在城市 

 php通过ip免申请api获取所在城市的代码包括省市区sql数据

<?php
function getName($pinyin,$lv){$servername = "localhost";$username = "root";$password = "root";$dbname = "ttx";try {$conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);// echo "连接数据库成功";exit;} catch(PDOException $e) {echo "连接数据库失败: " . $e->getMessage();exit;}// 层级（0：国家；1：省；2：市；3：区）$sql = "SELECT * from cg_gym_city_info where pinyin='{$pinyin}' and level_type ={$lv}";$stmt = $conn->prepare($sql);$stmt->execute();$result = $stmt->fetch(PDO::FETCH_ASSOC);return isset($result['name'])?$result['name']:"";
}if($_GET['ip']){$ip = $_GET['ip'];
}else{$ip = $_SERVER['REMOTE_ADDR'];
}$url = "http://ip-api.io/json/{$ip}";
$response = file_get_contents($url);$data = json_decode($response, true);
$region = $data['region_name'];
$city = $data['city'];
$data['regionCNName']=getName($region,1);
$data['cityCNName']=getName($city,2);var_dump($data);exit;