| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * SquirrelMail Time zone functions |
| 5 | * |
| 6 | * Function load time zone array selected in SquirrelMail |
| 7 | * configuration. |
| 8 | * |
| 9 | * Time zone array must consist of key name that matches key in |
| 10 | * standard time zone array and 'NAME' and 'TZ' subkeys. 'NAME' |
| 11 | * key should store translatable key name. 'TZ' key should store |
| 12 | * time zone name that will be used in TZ environment variable. |
| 13 | * Both subkeys are optional. If they are not present, time zone |
| 14 | * key name is used. |
| 15 | * |
| 16 | * @copyright 1999-2021 The SquirrelMail Project Team |
| 17 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
| 18 | * @version $Id$ |
| 19 | * @package squirrelmail |
| 20 | * @subpackage timezones |
| 21 | */ |
| 22 | |
| 23 | /** |
| 24 | * Returns time zone array set in SquirrelMail configuration |
| 25 | * @return array time zone array |
| 26 | * @since 1.5.1 |
| 27 | */ |
| 28 | function sq_get_tz_array() { |
| 29 | global $time_zone_type; |
| 30 | |
| 31 | // variable is not set or empty |
| 32 | if (! isset($time_zone_type) || empty($time_zone_type)) { |
| 33 | $time_zone_type = 0; |
| 34 | } else { |
| 35 | // make sure that it is integer |
| 36 | $time_zone_type = (int) $time_zone_type; |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * TODO: which one is better (global + include_once) or (include) |
| 41 | */ |
| 42 | switch ($time_zone_type) { |
| 43 | case '3': |
| 44 | case '2': |
| 45 | // custom time zone set |
| 46 | $aTimeZones = array(); |
| 47 | if (file_exists(SM_PATH . 'config/timezones.php')) { |
| 48 | include(SM_PATH . 'config/timezones.php'); |
| 49 | } |
| 50 | $aRet = $aTimeZones; |
| 51 | break; |
| 52 | case '1': |
| 53 | case '0': |
| 54 | default: |
| 55 | // standard (default) time zone set |
| 56 | include(SM_PATH . 'include/timezones/standard.php'); |
| 57 | $aRet = $aTimeZones; |
| 58 | } |
| 59 | // sort array |
| 60 | ksort($aRet); |
| 61 | return $aRet; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * @param string time zone string |
| 66 | * @return string time zone name used for TZ env |
| 67 | * (false, if timezone does not exists and server's TZ should be used) |
| 68 | * @since 1.5.1 |
| 69 | */ |
| 70 | function sq_get_tz_key($sTZ) { |
| 71 | $aTZs=sq_get_tz_array(); |
| 72 | |
| 73 | // get real time zone from link |
| 74 | if (isset($aTZs[$sTZ]['LINK'])) { |
| 75 | $sTZ = $aTZs[$sTZ]['LINK']; |
| 76 | } |
| 77 | |
| 78 | if (isset($aTZs[$sTZ])) { |
| 79 | if (isset($aTZs[$sTZ]['TZ'])) { |
| 80 | // get time zone |
| 81 | return $aTZs[$sTZ]['TZ']; |
| 82 | } else { |
| 83 | // array does not have TZ entry. bad thing |
| 84 | return $sTZ; |
| 85 | } |
| 86 | } else { |
| 87 | return false; |
| 88 | } |
| 89 | } |