微信服务号开发-获取用户位置信息，获取_PHP教程

<xml><ToUserName><![CDATA[gh_public_member_account]]></ToUserName>
<FromUserName><![CDATA[oNEGGwGfl8f5xMEqVHToL63LDL40]]></FromUserName>
<CreateTime>1444035882</CreateTime>
<MsgType><![CDATA[event]]></MsgType>
<Event><![CDATA[LOCATION]]></Event>
<Latitude>28.701618</Latitude>
<Longitude>115.818817</Longitude>
<Precision>30.000000</Precision>
</xml>

$content = file_get_contents ( 'php://input' );
$data = new \SimpleXMLElement ( $content );
foreach ( $data as $key => $value ) {
    $this->data [$key] = strval ( $value );
}
// to use data["longitude"]; data["latitude"].