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Direktori : /home/bitrix/www/bitrix/modules/main/classes/general/ |
Current File : /home/bitrix/www/bitrix/modules/main/classes/general/time.php |
<?php /** * Bitrix Framework * @package bitrix * @subpackage main * @copyright 2001-2013 Bitrix */ class CTimeZone { protected static $enabled = 1; protected static $useTimeZones = false; public static function Possible() { //since PHP 5.2 return true; } public static function Enabled() { return (self::$enabled > 0 && self::OptionEnabled()); } public static function OptionEnabled() { if(self::$useTimeZones === false) { self::$useTimeZones = COption::GetOptionString("main", "use_time_zones", "N"); } return (self::$useTimeZones == "Y"); } public static function Disable() { self::$enabled --; } public static function Enable() { self::$enabled ++; } private static function __tzsort($a, $b) { if($a['offset'] == $b['offset']) return strcmp($a['timezone_id'], $b['timezone_id']); return ($a['offset'] < $b['offset']? -1 : 1); } public static function GetZones() { IncludeModuleLangFile(__FILE__); $aTZ = array(); static $aExcept = array("Etc/", "GMT", "UTC", "UCT", "HST", "PST", "MST", "CST", "EST", "CET", "MET", "WET", "EET", "PRC", "ROC", "ROK", "W-SU"); foreach(DateTimeZone::listIdentifiers() as $tz) { foreach($aExcept as $ex) if(strpos($tz, $ex) === 0) continue 2; try { $oTz = new DateTimeZone($tz); $aTZ[$tz] = array('timezone_id'=>$tz, 'offset'=>$oTz->getOffset(new DateTime("now", $oTz))); } catch(Exception $e){} } uasort($aTZ, array('CTimeZone', '__tzsort')); $aZones = array(""=>GetMessage("tz_local_time")); foreach($aTZ as $z) $aZones[$z['timezone_id']] = '(UTC'.($z['offset'] <> 0? ' '.($z['offset'] < 0? '-':'+').sprintf("%02d", ($h = floor(abs($z['offset'])/3600))).':'.sprintf("%02d", abs($z['offset'])/60 - $h*60) : '').') '.$z['timezone_id']; return $aZones; } public static function SetAutoCookie() { /** @global CMain $APPLICATION */ global $APPLICATION, $USER; $cookie_prefix = COption::GetOptionString('main', 'cookie_name', 'BITRIX_SM'); if(self::IsAutoTimeZone(trim($USER->GetParam("AUTO_TIME_ZONE")))) { $APPLICATION->AddHeadString( '<script type="text/javascript">var bxDate = new Date(); document.cookie="'.$cookie_prefix.'_TIME_ZONE="+bxDate.getTimezoneOffset()+"; path=/; expires=Fri, 01-Jan-2038 00:00:00 GMT"</script>', true ); } elseif(isset($_COOKIE[$cookie_prefix."_TIME_ZONE"])) { unset($_COOKIE[$cookie_prefix."_TIME_ZONE"]); setcookie($cookie_prefix."_TIME_ZONE", "", time()-3600, "/"); } } public static function IsAutoTimeZone($autoTimeZone) { if($autoTimeZone == "Y") { return true; } if($autoTimeZone == '') { static $defAutoZone = null; if($defAutoZone === null) { $defAutoZone = (COption::GetOptionString("main", "auto_time_zone", "N") == "Y"); } return $defAutoZone; } return false; } public static function GetCookieValue() { static $cookie_prefix = null; if($cookie_prefix === null) { $cookie_prefix = COption::GetOptionString('main', 'cookie_name', 'BITRIX_SM'); } if(isset($_COOKIE[$cookie_prefix."_TIME_ZONE"]) && $_COOKIE[$cookie_prefix."_TIME_ZONE"] <> '') { return intval($_COOKIE[$cookie_prefix."_TIME_ZONE"]); } return null; } /** * Emulates timezone got from JS cookie setter like in SetAutoCookie. * * @param int $timezoneOffset Time zone offset */ public static function SetCookieValue($timezoneOffset) { static $cookie_prefix = null; if($cookie_prefix === null) { $cookie_prefix = COption::GetOptionString('main', 'cookie_name', 'BITRIX_SM'); } $_COOKIE[$cookie_prefix."_TIME_ZONE"] = $timezoneOffset; } /** * @param int|null $USER_ID If USER_ID is set offset is taken from DB * @param bool $forced If set, offset is calculated regardless enabling/disabling by functions Enable()/Disable(). * @return int */ public static function GetOffset($USER_ID = null, $forced = false) { global $USER; if($forced) { if(!self::OptionEnabled()) { return 0; } } else { if(!self::Enabled()) { return 0; } } try //possible DateTimeZone incorrect timezone { $localTime = new DateTime(); $localOffset = $localTime->getOffset(); $userOffset = $localOffset; $autoTimeZone = $userZone = ''; $factOffset = 0; if($USER_ID !== null) { $dbUser = CUser::GetByID($USER_ID); if(($arUser = $dbUser->Fetch())) { $autoTimeZone = trim($arUser["AUTO_TIME_ZONE"]); $userZone = $arUser["TIME_ZONE"]; $factOffset = intval($arUser["TIME_ZONE_OFFSET"]); } } elseif(is_object($USER)) { $autoTimeZone = trim($USER->GetParam("AUTO_TIME_ZONE")); $userZone = $USER->GetParam("TIME_ZONE"); } if($autoTimeZone == "N") { //manually set time zone $userTime = ($userZone <> ""? new DateTime(null, new DateTimeZone($userZone)) : $localTime); $userOffset = $userTime->getOffset(); } else { if(self::IsAutoTimeZone($autoTimeZone)) { if($USER_ID !== null) { //auto time zone from DB return $factOffset; } if(($cookie = self::GetCookieValue()) !== null) { //auto time zone from cookie $userOffset = -($cookie)*60; } elseif(is_object($USER)) { //auto time zone from the session, set on Authorize return intval($USER->GetParam("TIME_ZONE_OFFSET")); } } else { //default server time zone $serverZone = COption::GetOptionString("main", "default_time_zone", ""); $serverTime = ($serverZone <> ""? new DateTime(null, new DateTimeZone($serverZone)) : $localTime); $userOffset = $serverTime->getOffset(); } } } catch(Exception $e) { return 0; } return $userOffset - $localOffset; } }