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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                本初子午線 國際日期變更線 東12和西12的重合線.線兩邊相差一整天24小時.且是一天時間的起始 東區為正 西區為負 ~~~ //封裝在一個類中 public static $timeZoneMap = [ 'ca' => -5, 'us' => -5, // 'us' => -7, 'mx' => -6, 'de' => 1, 'es' => 1, 'fr' => 1, 'in' => 5, 'it' => 1, 'gb' => 0, 'cn' => 8, 'jp' => 9, 'au' => 11, 'br' => -2, ]; /** * 計算的區時=已知區時-(已知區時的時區-要計算區時的時區),(注:東時區為正,西時區為負)。 * @param $time 已知區時時間戳 * @param string $from_area * @param string $to_area * @return float|int */ public static function timetotime($time, $from_area='cn', $to_area = 'cn'){ $timeZone_from = self::$timeZoneMap[$from_area]; $timeZone_to = self::$timeZoneMap[$to_area]; return ($time - ($timeZone_from-$timeZone_to)*3600); } ~~~
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