<?php error_reporting(E_ALL); echo "version:" . GEOHASH_VERSION . "\n"; echo microtime(true) . "\n"; $geohash = "wm3yr31d2524"; $coord = Geohash::decode($geohash); print_r($coord); var_dump($geohash, $coord); $geohash = Geohash::encode($coord['latitude'], $coord['longitude']); print_r(Geohash::encode(30.635780068114, 104.03160111979, 12)); var_dump($geohash); echo microtime(true) . "\n";
//截取接到位置
$jiedao = preg_replace('/^([^\\d]+).*/', '$1', $jiedao);
//从缓存服务器获取该用户上次的地点
//并且判断是否是一个地点提交的数据
$mem = new Memcache();
$mem->connect("127.0.0.1", 11211);
$userjiedao = $mem->get($umd5 . 'jiedao');
if ($userjiedao != $jiedao) {
//如果不是则插入数据库
/*******************获取该人的geohash********************/
$jwdarrtmp = explode(',', $jingweidu);
//include('./lib/geohash.class.php');
require_once './lib/geohash.class.php';
$geohash = new Geohash();
//得到这点的hash值
$hash = $geohash->encode($jwdarrtmp[1], $jwdarrtmp[0]);
// echo $hash;
//取前缀，前缀约长范围越小
//$prefix = substr($hash, 0, 5);
//取出相邻八个区域
//$neighbors = $geohash->neighbors($prefix);
/***************************************/
$insert = array('geo' => $jingweidu, 'time' => time(), 'ip' => $_SERVER["REMOTE_ADDR"], 'jiedao' => safeEncoding($jiedao), 'geohash' => $hash, 'umd5' => $umd5);
$mem->set($umd5 . 'jiedao', $jiedao, 0, 600);
$db->row_insert("zaina", $insert);
$update = array('zaina' => $jiedao, 'version' => $version);
$db->row_update('user', $update, " umd5 = '{$umd5}' ");
}
}
// SELECT zaina.time ,zaina.jiedao,zaina.umd5,`user`.age ,`user`.sex ,`user`.headurl ,`user`.`name` FROM zaina LEFT JOIN `user` ON (zaina.umd5=`user`.umd5)WHERE zaina.time > 1408204280
//这里请求每隔一段时间缓存一次（缓存在文件中）分页 时间
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
require_once 'geohash.class.php';
$geohash = new Geohash();
//these test hashes were made on geohash.org
//and test various combinations of precision
//and range
$tests = array("ezs42" => array(42.6, -5.6), "mh7w" => array(-20, 50), "t3b9m" => array(10.1, 57.2), "c2b25ps" => array(49.26, -123.26), "80021bgm" => array(0.005, -179.567), "k484ht99h2" => array(-30.55555, 0.2), "8buh2w4pnt" => array(5.00001, -140.6));
foreach ($tests as $actualhash => $coords) {
$computed_hash = $geohash->encode($coords[0], $coords[1]);
echo "Encode {$coords[0]}, {$coords[1]} as {$actualhash} : ";
if ($computed_hash == $actualhash) {
echo "OK<br>";
} else {
echo "FAIL (got {$computed_hash})<br>";
}
echo "<hr>";
$computed_coords = $geohash->decode($actualhash);
echo "Decode {$actualhash} as {$coords[0]}, {$coords[1]} : ";
if ($computed_coords[0] == $coords[0] && $computed_coords[1] == $coords[1]) {
echo "OK<br>";
} else {
echo "FAIL (got {$computed_coords[0]}, {$computed_coords[1]})<br>";
}
echo "<hr>";
<?php /** * Geohash generation class for php - test * * This file copyright (C) 2013 Bruce Chen (http://weibo.com/smcz) * * Author: Bruce Chen (weibo: @一个开发者) * */ require_once 'geohash.class.php'; $geohash = new Geohash(); //得到这点的hash值 $hash = $geohash->encode(39.98123848, 116.3068369); //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);
