admin/timezone.php

   1 <?php   // $Id$
   2
   3     include("../config.php");
   4
   5     require_login();
   6
   7     if (!isadmin()) {
   8         error("You must be an admin");
   9     }
  10
  11     $strtimezone = get_string("timezone");
  12     $strsavechanges = get_string("savechanges");
  13     $strusers = get_string("users");
  14     $strall = get_string("all");
  15
  16     print_header($strtimezone, $strtimezone, $strtimezone);
  17
  18     print_heading("");
  19
  20     if (isset($zone) and confirm_sesskey()) {
  21         $db->debug = true;
  22         echo "<center>";
  23         execute_sql("UPDATE {$CFG->prefix}user SET timezone = '$zone'");
  24         $db->debug = false;
  25         echo "</center>";
  26
  27         $USER->timezone = $zone;
  28     }
  29
  30     $user = $USER;
  31
  32     if (abs($user->timezone) > 13) {
  33         $user->timezone = 99;
  34     }
  35     $timenow = time();
  36     $timeformat = get_string('strftimedaytime');
  37
  38     for ($tz = -26; $tz <= 26; $tz++) {
  39         $zone = (float)$tz/2.0;
  40         $usertime = $timenow + ($tz * 1800);
  41         if ($tz == 0) {
  42             $timezones["$zone"] = gmstrftime($timeformat, $usertime)." (GMT)";
  43         } else if ($tz < 0) {
  44             $timezones["$zone"] = gmstrftime($timeformat, $usertime)." (GMT$zone)";
  45         } else {
  46             $timezones["$zone"] = gmstrftime($timeformat, $usertime)." (GMT+$zone)";
  47         }
  48     }
  49
  50     echo '<center><form action="timezone.php" method="get">';
  51     echo "$strusers ($strall): ";
  52     choose_from_menu ($timezones, "zone", $user->timezone, get_string("serverlocaltime"), "", "99");
  53     echo "<input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\">";
  54     echo "<input type=\"submit\" value=\"$strsavechanges\">";
  55     echo "</form></center>";
  56
  57     print_footer();
  58
  59 ?>