xyzshop/test/TestGeohash.php

<?php
/**
 * Created by PhpStorm.
 * User: stanley-king
 * Date: 2018/4/2
 * Time: 下午4:13
 */

define('BASE_ROOT_PATH',str_replace('/test','',dirname(__FILE__)));

require_once(BASE_ROOT_PATH . '/fooder.php');
require_once(BASE_ROOT_PATH . '/core/framework/libraries/geohash.php');


class TestGeohash extends PHPUnit_Framework_TestCase
{
    public static function setUpBeforeClass()
    {
        Base::run_util();
    }

    public function testAll()
    {
        $geohash = new geohash;
        //得到这点的hash值
        $hash = $geohash->encode(39.98123848, 116.30683690);
        //取前缀，前缀约长范围越小
        $prefix = substr($hash, 0, 6);
        //取出相邻八个区域
        $neighbors = $geohash->neighbors($prefix);
        array_push($neighbors, $prefix);

        print_r($neighbors);
    }

}