php// 初始化Redis$redis = new Redis();$redis->connect('127.0.0.1');// 保存城市的Key$key = 'china_city';// (1)...->geoadd($key, $val['0'], $val['1'], $val['2']);}// (2).计算两个城市的距离(单位km)$distance = $redis->geodist($key...108.70641', '34.32908', '5000', 'km', ['COUNT' => 1]);print_r($citys);// (10).虽然上面我xxxxxx,但是我想把返回的城市进行排序...,按照距离排序,加个参数DESC就行$citys = $redis->georadius($key, '108.70641', '34.32908', '5000', 'km', ['DESC']);print_r...中的成员为中心查询$citys = $redis->georadiusbymember($key,'陕西安康','1000','km');print_r($citys);