## 字符串中获取省市区
```
// 获取地址中的省市区
function getPrvCityArea($address){
preg_match('/(.*?(省|自治区|北京市|天津市))/', $address, $matches);
if (count($matches) > 1) {
$province = $matches[count($matches) - 2];
$address = str_replace($province, '', $address);
}
preg_match('/(.*?(盟|市|自治州|地区|区划|县))/', $address, $matches);
if (count($matches) > 1) {
$city = $matches[count($matches) - 2];
$address = str_replace($city, '', $address);
}
preg_match('/(.*?(市|区|县|镇|乡|街道))/', $address, $matches);
if (count($matches) > 1) {
$area = $matches[count($matches) - 2];
$address = str_replace($area, '', $address);
}
return ['province' => isset($province) ? $province : '','city' => isset($city) ? $city : '','area' => isset($area) ? $area : '',];
}
```
