<?php
$info = '<?xml version="1.0" encoding="utf-8" ?>
      <data>
        <GeocoderSearchResponse>
          <status>OK</status>
          <result>
            <location>
              <lat>39.94921</lat>
              <lng>116.463619</lng>
            </location>
          <precise>0</precise>
          <confidence>50</confidence>
          <level>脚本</level>
          </result>
        </GeocoderSearchResponse>
        <GeocoderSearchResponse>
          <status>OK</status>
          <result>
            <location>
              <lat>39</lat>
              <lng>116</lng>
            </location>
          <precise>0</precise>
          <confidence>50</confidence>
          <level>脚本123</level>
          </result>
        </GeocoderSearchResponse>
      </data>';
$xml = simplexml_load_string($info);
function xml2array($xmlobject) {
  if ($xmlobject) {
    foreach ((array)$xmlobject as $k=>$v) {
      $data[$k] = !is_string($v) ? xml2array($v) : $v;
    }
    return $data;
  }
}
$data = xml2array($xml);
var_dump($data);
?>

array(1) {
 ["GeocoderSearchResponse"]=>
 array(2) {
  [0]=>
  array(2) {
   ["status"]=>
   string(2) "OK"
   ["result"]=>
   array(4) {
    ["location"]=>
    array(2) {
     ["lat"]=>
     string(8) "39.94921"
     ["lng"]=>
     string(10) "116.463619"
    }
    ["precise"]=>
    string(1) "0"
    ["confidence"]=>
    string(2) "50"
    ["level"]=>
    string(6) "脚本"
   }
  }
  [1]=>
  array(2) {
   ["status"]=>
   string(2) "OK"
   ["result"]=>
   array(4) {
    ["location"]=>
    array(2) {
     ["lat"]=>
     string(2) "39"
     ["lng"]=>
     string(3) "116"
    }
    ["precise"]=>
    string(1) "0"
    ["confidence"]=>
    string(2) "50"
    ["level"]=>
    string(9) "脚本123"
   }
  }
 }
}