--- a/betweenpoint.move.php
+++ b/betweenpoint.move.php
@@ -1,1 +1,90 @@
-
+<?php
+  /*
+   * GeoPo Encode in PHP
+   * @author : Shintaro Inagaki
+   * @param $location (Array)
+   * @return $geopo (String)
+   */
+  function geopoEncode($lat, $lng)
+  {
+      // 64characters (number + big and small letter + hyphen + underscore)
+      $chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_";
+      
+      $geopo = "";
+      $scale = 7;
+      
+      // Change a degree measure to a decimal number
+      $lat = ($lat + 90) / 180 * pow(8, 10);
+      $lng = ($lng + 180) / 360 * pow(8, 10);
+      // Compute a GeoPo code from head and concatenate
+      for ($i = 0; $i < $scale; $i++) {
+          $geopo .= substr($chars, floor($lat / pow(8, 9 - $i) % 8) + floor($lng / pow(8, 9 - $i) % 8) * 8, 1);
+      }
+      return $geopo;
+  }
+  
+  /*
+   * GeoPo Decode in PHP
+   * @author : Shintaro Inagaki
+   * @param $geopo (String)
+   * @return $location (Array)
+   */
+  function geopoDecode($geopo)
+  {
+      // 64characters (number + big and small letter + hyphen + underscore)
+      $chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_";
+      // Array for geolocation
+      $location = array();
+      
+      for ($i = 0; $i < strlen($geopo); $i++) {
+          // What number of character that equal to a GeoPo code (0-63)
+          $order = strpos($chars, substr($geopo, $i, 1));
+          // Lat/Lng plus geolocation value of scale 
+          $location['lat'] = $location['lat'] + floor($order % 8) * pow(8, 9 - $i);
+          $location['lng'] = $location['lng'] + floor($order / 8) * pow(8, 9 - $i);
+      }
+      
+      // Change a decimal number to a degree measure, and plus revised value that shift center of area
+      $location['lat'] = $location['lat'] * 180 / pow(8, 10) + 180 / pow(8, strlen($geopo)) / 2 - 90;
+      $location['lng'] = $location['lng'] * 360 / pow(8, 10) + 360 / pow(8, strlen($geopo)) / 2 - 180;
+      $location['scale'] = strlen($geopo);
+      
+      return $location;
+  }
+  
+  $conn = pg_connect("dbname=bus user=postgres password=snmc");
+  if (!$conn) {
+      echo "An error occured.\n";
+      exit;
+  }
+  if ($_REQUEST['newlatlng']) {
+      $latlng = explode(";", $_REQUEST['newlatlng']);
+      $lat = (float)$latlng[0];
+      $lng = (float)$latlng[1];
+      
+      $geoPo = geopoEncode($lat, $lng);
+      $nodelat = (int)($lat * 10000000);
+      $nodelon = (int)($lng * 10000000);
+      echo($nodelat . "," . $nodelon . "=$geoPo<br>");
+      $sql = "UPDATE stops SET geohash='$geoPo', lat='$nodelat', lng='$nodelon' WHERE geohash = '{$_REQUEST['oldgeopo']}'";
+      $result = pg_query($conn, $sql);
+      if (!$result) {
+          echo("Error in SQL query: " . pg_last_error() . "<br>\n");
+      } else {
+      echo $_REQUEST['oldgeopo'] . " replaced with $geoPo <br>";
+      $updatedroutes = 0;
+      $result_outdatedroutes = pg_query($conn, "Select * FROM between_stops where points LIKE '%" . $_REQUEST['oldgeopo'] . ";%'");
+      while ($outdatedroute = pg_fetch_assoc($result_outdatedroutes)) {
+          $newpoints = str_replace($_REQUEST['oldgeopo'], $geoPo, $outdatedroute['points']);
+          $sql = "UPDATE  between_stops set points='$newpoints' where fromlocation = '{$outdatedroute['fromlocation']}' AND tolocation = '{$outdatedroute['tolocation']}' ";
+          $result = pg_query($conn, $sql);
+          if (!$result) {
+              echo("Error in SQL query: " . pg_last_error() . "<br>\n");
+          }
+          $updatedroutes++;
+      }
+      echo "updated $updatedroutes routes<br>";
+      }
+  }
+  flush();
+?>