diff --git a/bootstrap.php b/bootstrap.php index a49d8dcd98530af5842123898776108b9411c606..b39a23f2debb68e28d2f00810d328e384357eeae 100644 --- a/bootstrap.php +++ b/bootstrap.php @@ -199,7 +199,6 @@ class Bootstrap { require(INCLUDE_DIR.'class.pagenate.php'); //Pagenate helper! require(INCLUDE_DIR.'class.log.php'); require(INCLUDE_DIR.'class.crypto.php'); - require(INCLUDE_DIR.'class.timezone.php'); require_once(INCLUDE_DIR.'class.signal.php'); require(INCLUDE_DIR.'class.page.php'); require_once(INCLUDE_DIR.'class.format.php'); //format helpers diff --git a/include/class.config.php b/include/class.config.php index fa08a51272053ee4a64e1bf5345b0f8da8e8c0b2..b2035e9e7be8e6dea4174dbc2aca5f8fb5564969 100644 --- a/include/class.config.php +++ b/include/class.config.php @@ -245,13 +245,12 @@ class OsticketConfig extends Config { return md5(self::getDBVersion()); } - function getDBTZoffset() { - if (!$this->exists('db_tz_offset')) { - $sql='SELECT (TIME_TO_SEC(TIMEDIFF(NOW(), UTC_TIMESTAMP()))/3600) as db_tz_offset'; - if(($res=db_query($sql)) && db_num_rows($res)) - $this->persist('db_tz_offset', db_result($res)); + function getDBTimezone() { + if (!$this->exists('db_timezone')) { + require_once INCLUDE_DIR . 'class.timezone.php'; + $this->persist('db_timezone', DbTimezone::determine()); } - return $this->get('db_tz_offset'); + return $this->get('db_timezone'); } function getDefaultTimezone() { @@ -263,8 +262,8 @@ class OsticketConfig extends Config { $user = $user ?: $thisstaff; - if (!$user && $thisclient) - $user = $thisclient->getAccount(); + if (!$user && $thisclient && is_callable(array($thisclient, 'getTimezone'))) + $user = $thisclient; if ($user) $zone = $user->getTimezone(); diff --git a/include/class.misc.php b/include/class.misc.php index eba8ced024af3a5fbbc6a795d73f077223a67731..259ab675e52f4c19cfb95e3ba9c8501313e623c9 100644 --- a/include/class.misc.php +++ b/include/class.misc.php @@ -62,16 +62,24 @@ class Misc { /* misc date helpers...this will go away once we move to php 5 */ function db2gmtime($var){ + static $dbtz; global $cfg; - if(!$var) return; - $dbtime=is_int($var)?$var:strtotime($var); - return $dbtime-($cfg->getDBTZoffset()*3600); + if (!$var || !$cfg) + return; + + if (!isset($dbtz)) + $dbtz = new DateTimeZone($cfg->getDbTimezone()); + + $dbtime = is_int($var) ? $var : strtotime($var); + $D = DateTime::createFromFormat('U', $dbtime); + return $dbtime - $dbtz->getOffset($D); } //Take user time or gmtime and return db (mysql) time. function dbtime($var=null){ - global $cfg; + static $dbtz; + global $cfg; if (is_null($var) || !$var) { // Default timezone is set to UTC @@ -83,8 +91,11 @@ class Misc { $D = DateTime::createFromFormat('U', $time); $time -= $tz->getOffset($D); } + if (!isset($dbtz)) { + $dbtz = new DateTimeZone($cfg->getDbTimezone()); + } // UTC to db time - return $time + ($cfg->getDBTZoffset()*3600); + return $time + $dbtz->getOffset($time); } /*Helper get GM time based on timezone offset*/ diff --git a/include/class.timezone.php b/include/class.timezone.php index bb9f2944fc797acd205ad8739005c54b97dcd248..10449350c600dc968d543998da1e5e818f8ae03d 100644 --- a/include/class.timezone.php +++ b/include/class.timezone.php @@ -2,7 +2,7 @@ /********************************************************************* class.timezone.php - Time zone get utils. + Database time zone get utils. Peter Rotich <peter@osticket.com> Copyright (c) 2006-2013 osTicket @@ -14,58 +14,376 @@ vim: expandtab sw=4 ts=4 sts=4: **********************************************************************/ -class Timezone { +// This class adopted from jstimezone - var $id; - var $ht; +class DbTimezone { + const HEMISPHERE_SOUTH = 's'; + const DAY = 86400; + const HOUR = 3600; + const MINUTE = 60; + const SECOND = 1; + const BASELINE_YEAR = 2014; + const MAX_SCORE = 864000; // 10 days - function Timezone($id){ - $this->id=0; - return $this->load($id); - } + static $AMBIGUITIES = array( + 'America/Denver' => array('America/Mazatlan'), + 'America/Chicago' => array('America/Mexico_City'), + 'America/Santiago' => array('America/Asuncion', 'America/Campo_Grande'), + 'America/Montevideo' => array('America/Sao_Paulo'), + // Europe/Minsk should not be in this list... but Windows. + 'Asia/Beirut' => array('Asia/Amman', 'Asia/Jerusalem', 'Europe/Helsinki', 'Asia/Damascus', 'Africa/Cairo', 'Asia/Gaza', 'Europe/Minsk'), + 'Pacific/Auckland' => array('Pacific/Fiji'), + 'America/Los_Angeles' => array('America/Santa_Isabel'), + 'America/New_York' => array('America/Havana'), + 'America/Halifax' => array('America/Goose_Bay'), + 'America/Godthab' => array('America/Miquelon'), + 'Asia/Dubai' => array('Asia/Yerevan'), + 'Asia/Jakarta' => array('Asia/Krasnoyarsk'), + 'Asia/Shanghai' => array('Asia/Irkutsk', 'Australia/Perth'), + 'Australia/Sydney' => array('Australia/Lord_Howe'), + 'Asia/Tokyo' => array('Asia/Yakutsk'), + 'Asia/Dhaka' => array('Asia/Omsk'), + // In the real world Yerevan is not ambigous for Baku... but Windows. + 'Asia/Baku' => array('Asia/Yerevan'), + 'Australia/Brisbane' => array('Asia/Vladivostok'), + 'Pacific/Noumea' => array('Asia/Vladivostok'), + 'Pacific/Majuro' => array('Asia/Kamchatka', 'Pacific/Fiji'), + 'Pacific/Tongatapu' => array('Pacific/Apia'), + 'Asia/Baghdad' => array('Europe/Minsk', 'Europe/Moscow'), + 'Asia/Karachi' => array('Asia/Yekaterinburg'), + 'Africa/Johannesburg' => array('Asia/Gaza', 'Africa/Cairo') + ); - function load($id=0) { + static $olsonTimezones = array( + '-720,0' => 'Etc/GMT+12', + '-660,0' => 'Pacific/Pago_Pago', + '-660,1,s' => 'Pacific/Apia', // Why? Because windows... cry! + '-600,1' => 'America/Adak', + '-600,0' => 'Pacific/Honolulu', + '-570,0' => 'Pacific/Marquesas', + '-540,0' => 'Pacific/Gambier', + '-540,1' => 'America/Anchorage', + '-480,1' => 'America/Los_Angeles', + '-480,0' => 'Pacific/Pitcairn', + '-420,0' => 'America/Phoenix', + '-420,1' => 'America/Denver', + '-360,0' => 'America/Guatemala', + '-360,1' => 'America/Chicago', + '-360,1,s' => 'Pacific/Easter', + '-300,0' => 'America/Bogota', + '-300,1' => 'America/New_York', + '-270,0' => 'America/Caracas', + '-240,1' => 'America/Halifax', + '-240,0' => 'America/Santo_Domingo', + '-240,1,s' => 'America/Santiago', + '-210,1' => 'America/St_Johns', + '-180,1' => 'America/Godthab', + '-180,0' => 'America/Argentina/Buenos_Aires', + '-180,1,s' => 'America/Montevideo', + '-120,0' => 'America/Noronha', + '-120,1' => 'America/Noronha', + '-60,1' => 'Atlantic/Azores', + '-60,0' => 'Atlantic/Cape_Verde', + '0,0' => 'UTC', + '0,1' => 'Europe/London', + '60,1' => 'Europe/Berlin', + '60,0' => 'Africa/Lagos', + '60,1,s' => 'Africa/Windhoek', + '120,1' => 'Asia/Beirut', + '120,0' => 'Africa/Johannesburg', + '180,0' => 'Asia/Baghdad', + '180,1' => 'Europe/Moscow', + '210,1' => 'Asia/Tehran', + '240,0' => 'Asia/Dubai', + '240,1' => 'Asia/Baku', + '270,0' => 'Asia/Kabul', + '300,1' => 'Asia/Yekaterinburg', + '300,0' => 'Asia/Karachi', + '330,0' => 'Asia/Kolkata', + '345,0' => 'Asia/Kathmandu', + '360,0' => 'Asia/Dhaka', + '360,1' => 'Asia/Omsk', + '390,0' => 'Asia/Rangoon', + '420,1' => 'Asia/Krasnoyarsk', + '420,0' => 'Asia/Jakarta', + '480,0' => 'Asia/Shanghai', + '480,1' => 'Asia/Irkutsk', + '525,0' => 'Australia/Eucla', + '525,1,s' => 'Australia/Eucla', + '540,1' => 'Asia/Yakutsk', + '540,0' => 'Asia/Tokyo', + '570,0' => 'Australia/Darwin', + '570,1,s' => 'Australia/Adelaide', + '600,0' => 'Australia/Brisbane', + '600,1' => 'Asia/Vladivostok', + '600,1,s' => 'Australia/Sydney', + '630,1,s' => 'Australia/Lord_Howe', + '660,1' => 'Asia/Kamchatka', + '660,0' => 'Pacific/Noumea', + '690,0' => 'Pacific/Norfolk', + '720,1,s' => 'Pacific/Auckland', + '720,0' => 'Pacific/Majuro', + '765,1,s' => 'Pacific/Chatham', + '780,0' => 'Pacific/Tongatapu', + '780,1,s' => 'Pacific/Apia', + '840,0' => 'Pacific/Kiritimati' + ); - if(!$id && !($id=$this->getId())) - return false; - $sql='SELECT * FROM '.TIMEZONE_TABLE.' WHERE id='.db_input($id); - if(!($res=db_query($sql)) || !db_num_rows($res)) - return false; + function get_date_offset($checks) { + static $fragment = + "-time_to_sec(timediff('%s', convert_tz('%s', @@session.time_zone, '+00:00'))) DIV 60"; - $this->ht=db_fetch_array($res); - $this->id=$this->ht['id']; - - return $this->id; + if (!is_array($checks)) + $checks = func_get_args(); + $dates = array(); + foreach ($checks as $time) { + $date = date('Y-m-d h:i:s', $time); + $dates[] = sprintf($fragment, $date, $date); + } + + $sql = 'SELECT '.implode(',', $dates); + return db_fetch_row(db_query($sql)); } - function reload() { - return $this->load(); + function lookup_key() { + list($january_offset, $juneoffset) = + $this->get_date_offset( + mktime(0, 0, 0, 1, 2, self::BASELINE_YEAR), + mktime(0, 0, 0, 6, 2, self::BASELINE_YEAR)); + $diff = $january_offset - $june_offset; + + if ($diff < 0) { + return $january_offset . ",1"; + } else if ($diff > 0) { + return $june_offset . ",1," . self::HEMISPHERE_SOUTH; + } + + return $january_offset . ",0"; } - function getId() { - return $this->id; + function get_from_database() { + // Attempt to fetch timezone direct from the database + $TZ = db_timezone(); + + // SYSTEM does not describe a time zone + try { + new DateTimeZone($TZ); + return $TZ; + } + catch (Exception $ex) { + return false; + } } - - function getOffset() { - return $this->ht['offset']; + + function dst_dates($year) { + $yearstart = mktime(0, 0, 1, 1, 1, $year); + $yearend = mktime(23, 59, 59, 12, 31, $year); + $current = $yearstart; + list($offset) = $this->get_date_offset($current); + $dst_start = null; + $dst_end = null; + + $checks = array(); + while ($current < $yearend - 86400) { + $checks[] = $current; + $current += 86400; + } + + foreach ($this->get_date_offset($checks) as $offset) { + + if ($dateToCheckOffset !== $offset) { + if ($dateToCheckOffset < $offset) { + $dst_start = $dateToCheck; + } + if ($dateToCheckOffset > $offset) { + $dst_end = $dateToCheck; + } + $offset = $dateToCheckOffset; + } + } + + if ($dst_start && $dst_end) { + return array( + 's' => $this->find_dst_fold($dst_start), + 'e' => $this->find_dst_fold($dst_end), + ); + } + + return false; } - function getName() { - return $this->info['timezone']; + function find_dst_fold($a_date, $padding=self::DAY, $iterator=self::HOUR) { + $date_start = $a_date - $padding; + $date_end = $a_date + $padding; + list($offset) = $this->get_date_offset($date_start); + + $current = $date_start; + + $dst_change = null; + while ($current < $date_end - $iterator) { + $checks = array(); + for ($i=0; $i<12; $i++) { + $checks[] = $current; + $current += $iterator; + } + + foreach ($this->get_date_offset($checks) as $offset) { + if ($dateToCheckOffset !== $offset) { + $dst_change = $dateToCheck; + break; + } + } + if ($dst_change) + break; + } + + if ($padding === self::DAY) { + return $this->find_dst_fold($dst_change, self::HOUR, self::MINUTE); + } + + if ($padding === self::HOUR) { + return $this->find_dst_fold($dst_change, self::MINUTE, self::SECOND); + } + + return $dst_change; } - function getDesc() { - return $this->getName(); + function windows7_adaptions($rule_list, $preliminary_timezone, $score, $sample) { + if ($score !== 'N/A') { + return $score; + } + if ($preliminary_timezone === 'Asia/Beirut') { + if ($sample['name'] === 'Africa/Cairo') { + if ($rule_list[6]['s'] === 1398376800 && $rule_list[6]['e'] === 1411678800) { + return 0; + } + } + if ($sample['name'] === 'Asia/Jerusalem') { + if ($rule_list[6]['s'] === 1395964800 && $rule_list[6]['e'] === 1411858800) { + return 0; + } + } + } else if ($preliminary_timezone === 'America/Santiago') { + if ($sample['name'] === 'America/Asuncion') { + if ($rule_list[6]['s'] === 1412481600 && $rule_list[6]['e'] === 1397358000) { + return 0; + } + } + if ($sample['name'] === 'America/Campo_Grande') { + if ($rule_list[6]['s'] === 1413691200 && $rule_list[6]['e'] === 1392519600) { + return 0; + } + } + } else if ($preliminary_timezone === 'America/Montevideo') { + if ($sample['name'] === 'America/Sao_Paulo') { + if ($rule_list[6]['s'] === 1413687600 && $rule_list[6]['e'] === 1392516000) { + return 0; + } + } + } else if ($preliminary_timezone === 'Pacific/Auckland') { + if ($sample['name'] === 'Pacific/Fiji') { + if ($rule_list[6]['s'] === 1414245600 && $rule_list[6]['e'] === 1396101600) { + return 0; + } + } + } + + return $score; } - /* static functions */ - function lookup($id) { - return ($id && is_numeric($id) && ($tz= new Timezone($id)) && $tz->getId()==$id)?$tz:null; + function best_dst_match($rule_list, $preliminary_timezone) { + $self = $this; + $score_sample = function ($sample) use ($rule_list, $self) { + $score = 0; + + for ($j = 0; $j < count($rule_list); $j++) { + + // Both sample and current time zone report DST during the year. + if (!!$sample['rules'][$j] && !!$rule_list[$j]) { + + // The current time zone's DST rules are inside the sample's. Include. + if ($rule_list[$j]['s'] >= $sample['rules'][$j]['s'] && $rule_list[$j]['e'] <= $sample['rules'][$j]['e']) { + $score = 0; + $score += abs($rule_list[$j]['s'] - $sample['rules'][$j]['s']); + $score += abs($sample['rules'][$j]['e'] - $rule_list[$j]['e']); + + // The current time zone's DST rules are outside the sample's. Discard. + } else { + $score = 'N/A'; + break; + } + + // The max score has been reached. Discard. + if ($score > self::MAX_SCORE) { + $score = 'N/A'; + break; + } + } + } + + $score = $self->windows7_adaptations($rule_list, $preliminary_timezone, $score, $sample); + + return $score; + }; + $scoreboard = array(); + $dst_zones = self::$dst_rules['zones']; + $ambiguities = @self::$AMBIGUITIES[$preliminary_timezone]; + + foreach ($dst_zones as $sample) { + $score = $score_sample($sample); + + if ($score !== 'N/A') { + $scoreboard[$sample['name']] = $score; + } + } + + foreach ($scoreboard as $tz) { + if (in_array($tz, $ambiguities)) { + return $tz; + } + } + + return $preliminary_timezone; + } + + function get_by_dst($preliminary_timezone) { + $rules = []; + foreach (self::$dst_rules['years'] as $Y) { + $rules[] = $this->dst_dates($Y); + } + $has_dst = false; + foreach ($rules as $R) { + if ($R !== false) { + $has_dst = true; break; + } + } + + if ($has_dst) { + return $this->best_dst_match($rules, $preliminary_timezone); + } + + return $preliminary_timezone; } - function getOffsetById($id) { - return ($tz=Timezone::lookup($id))?$tz->getOffset():0; + static function determine() { + $self = new static(); + $preliminary_tz = $self->get_from_database(); + + if (!$preliminary_tz) { + $preliminary_tz = self::$olsonTimezones[$self->lookup_key()]; + + if (isset(self::$AMBIGUITIES[$preliminary_tz])) { + $preliminary_tz = $self->get_by_dst($preliminary_tz); + } + } + + return $preliminary_tz; } + + // Rules compiled from jstz rules.js file by + // str_replace('000,', ',', var_export(json_decode('...', true))); + static $dst_rules = array('years'=>array(0=>2008,1=>2009,2=>2010,3=>2011,4=>2012,5=>2013,6=>2014,),'zones'=>array(0=>array('name'=>'Africa/Cairo','rules'=>array(0=>array('e'=>1219957200,'s'=>1209074400,),1=>array('e'=>1250802000,'s'=>1240524000,),2=>array('e'=>1285880400,'s'=>1284069600,),3=>false,4=>false,5=>false,6=>array('e'=>1411678800,'s'=>1406844000,),),),1=>array('name'=>'America/Asuncion','rules'=>array(0=>array('e'=>1205031600,'s'=>1224388800,),1=>array('e'=>1236481200,'s'=>1255838400,),2=>array('e'=>1270954800,'s'=>1286078400,),3=>array('e'=>1302404400,'s'=>1317528000,),4=>array('e'=>1333854000,'s'=>1349582400,),5=>array('e'=>1364094000,'s'=>1381032000,),6=>array('e'=>1395543600,'s'=>1412481600,),),),2=>array('name'=>'America/Campo_Grande','rules'=>array(0=>array('e'=>1203217200,'s'=>1224388800,),1=>array('e'=>1234666800,'s'=>1255838400,),2=>array('e'=>1266721200,'s'=>1287288000,),3=>array('e'=>1298170800,'s'=>1318737600,),4=>array('e'=>1330225200,'s'=>1350792000,),5=>array('e'=>1361070000,'s'=>1382241600,),6=>array('e'=>1392519600,'s'=>1413691200,),),),3=>array('name'=>'America/Goose_Bay','rules'=>array(0=>array('e'=>1225594860,'s'=>1205035260,),1=>array('e'=>1257044460,'s'=>1236484860,),2=>array('e'=>1289098860,'s'=>1268539260,),3=>array('e'=>1320555600,'s'=>1299988860,),4=>array('e'=>1352005200,'s'=>1331445600,),5=>array('e'=>1383454800,'s'=>1362895200,),6=>array('e'=>1414904400,'s'=>1394344800,),),),4=>array('name'=>'America/Havana','rules'=>array(0=>array('e'=>1224997200,'s'=>1205643600,),1=>array('e'=>1256446800,'s'=>1236488400,),2=>array('e'=>1288501200,'s'=>1268542800,),3=>array('e'=>1321160400,'s'=>1300597200,),4=>array('e'=>1352005200,'s'=>1333256400,),5=>array('e'=>1383454800,'s'=>1362891600,),6=>array('e'=>1414904400,'s'=>1394341200,),),),5=>array('name'=>'America/Mazatlan','rules'=>array(0=>array('e'=>1225008000,'s'=>1207472400,),1=>array('e'=>1256457600,'s'=>1238922000,),2=>array('e'=>1288512000,'s'=>1270371600,),3=>array('e'=>1319961600,'s'=>1301821200,),4=>array('e'=>1351411200,'s'=>1333270800,),5=>array('e'=>1382860800,'s'=>1365325200,),6=>array('e'=>1414310400,'s'=>1396774800,),),),6=>array('name'=>'America/Mexico_City','rules'=>array(0=>array('e'=>1225004400,'s'=>1207468800,),1=>array('e'=>1256454000,'s'=>1238918400,),2=>array('e'=>1288508400,'s'=>1270368000,),3=>array('e'=>1319958000,'s'=>1301817600,),4=>array('e'=>1351407600,'s'=>1333267200,),5=>array('e'=>1382857200,'s'=>1365321600,),6=>array('e'=>1414306800,'s'=>1396771200,),),),7=>array('name'=>'America/Miquelon','rules'=>array(0=>array('e'=>1225598400,'s'=>1205038800,),1=>array('e'=>1257048000,'s'=>1236488400,),2=>array('e'=>1289102400,'s'=>1268542800,),3=>array('e'=>1320552000,'s'=>1299992400,),4=>array('e'=>1352001600,'s'=>1331442000,),5=>array('e'=>1383451200,'s'=>1362891600,),6=>array('e'=>1414900800,'s'=>1394341200,),),),8=>array('name'=>'America/Santa_Isabel','rules'=>array(0=>array('e'=>1225011600,'s'=>1207476000,),1=>array('e'=>1256461200,'s'=>1238925600,),2=>array('e'=>1288515600,'s'=>1270375200,),3=>array('e'=>1319965200,'s'=>1301824800,),4=>array('e'=>1351414800,'s'=>1333274400,),5=>array('e'=>1382864400,'s'=>1365328800,),6=>array('e'=>1414314000,'s'=>1396778400,),),),9=>array('name'=>'America/Sao_Paulo','rules'=>array(0=>array('e'=>1203213600,'s'=>1224385200,),1=>array('e'=>1234663200,'s'=>1255834800,),2=>array('e'=>1266717600,'s'=>1287284400,),3=>array('e'=>1298167200,'s'=>1318734000,),4=>array('e'=>1330221600,'s'=>1350788400,),5=>array('e'=>1361066400,'s'=>1382238000,),6=>array('e'=>1392516000,'s'=>1413687600,),),),10=>array('name'=>'Asia/Amman','rules'=>array(0=>array('e'=>1225404000,'s'=>1206655200,),1=>array('e'=>1256853600,'s'=>1238104800,),2=>array('e'=>1288303200,'s'=>1269554400,),3=>array('e'=>1319752800,'s'=>1301608800,),4=>false,5=>false,6=>array('e'=>1414706400,'s'=>1395957600,),),),11=>array('name'=>'Asia/Damascus','rules'=>array(0=>array('e'=>1225486800,'s'=>1207260000,),1=>array('e'=>1256850000,'s'=>1238104800,),2=>array('e'=>1288299600,'s'=>1270159200,),3=>array('e'=>1319749200,'s'=>1301608800,),4=>array('e'=>1351198800,'s'=>1333058400,),5=>array('e'=>1382648400,'s'=>1364508000,),6=>array('e'=>1414702800,'s'=>1395957600,),),),12=>array('name'=>'Asia/Dubai','rules'=>array(0=>false,1=>false,2=>false,3=>false,4=>false,5=>false,6=>false,),),13=>array('name'=>'Asia/Gaza','rules'=>array(0=>array('e'=>1219957200,'s'=>1206655200,),1=>array('e'=>1252015200,'s'=>1238104800,),2=>array('e'=>1281474000,'s'=>1269640860,),3=>array('e'=>1312146000,'s'=>1301608860,),4=>array('e'=>1348178400,'s'=>1333058400,),5=>array('e'=>1380229200,'s'=>1364508000,),6=>array('e'=>1411678800,'s'=>1395957600,),),),14=>array('name'=>'Asia/Irkutsk','rules'=>array(0=>array('e'=>1224957600,'s'=>1206813600,),1=>array('e'=>1256407200,'s'=>1238263200,),2=>array('e'=>1288461600,'s'=>1269712800,),3=>false,4=>false,5=>false,6=>false,),),15=>array('name'=>'Asia/Jerusalem','rules'=>array(0=>array('e'=>1223161200,'s'=>1206662400,),1=>array('e'=>1254006000,'s'=>1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} + ?> diff --git a/include/mysqli.php b/include/mysqli.php index 1793f889e262edb157241497f415af96c71da652..2a79feaa745bd966f596e1830c0151fa2aa7dbb4 100644 --- a/include/mysqli.php +++ b/include/mysqli.php @@ -114,7 +114,7 @@ function db_version() { } function db_timezone() { - return db_get_variable('time_zone'); + return db_get_variable('system_time_zone', 'global'); } function db_get_variable($variable, $type='session') {