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# Carbon 時間套件 Carbon 是一個很方便的轉換時間的工具,可以很方便地將時間進行轉換,取得我們想要的特定日期或格式 ### 安裝 Laravel 5 預設就會安裝 Carbon 套件,若沒有安裝的話可以透過下列的方式進行安裝: ~~~ # 使用 Composer 下載 Carbon $ composer require nesbot/carbon ~~~ ~~~ <?php // 載入 composer autoload 檔案 require 'vendor/autoload.php'; // 使用 Carbon 類別 use Carbon\Carbon; printf("Now: %s", Carbon::now()); ~~~ ### 快速切換前後日期 ~~~ <?php use Carbon\Carbon; $now = Carbon::now(); echo $now; // 2015-03-26 00:36:47 $today = Carbon::today(); echo $today; // 2015-03-26 00:00:00 $tomorrow = Carbon::tomorrow('Europe/London'); echo $tomorrow; // 2015-03-27 00:00:00 $yesterday = Carbon::yesterday(); echo $yesterday; // 2015-03-25 00:00:00 ~~~ ### 建立特定日期的時間 ~~~ <?php use Carbon\Carbon; $timezone = 'Asia/Taipei'; // 從「年月日」建立 Carbon::createFromDate($year, $month, $day, $timezone); // 從「時分秒」建立 Carbon::createFromTime($hour, $minute, $second, $timezone); // 從完整的「年月日時分秒」建立 Carbon::create($year, $month, $day, $hour, $minute, $second, $timezone); // 從指定的格式建立 Carbon::createFromFormat($format, $time, $tz); echo Carbon::createFromFormat('Y-m-d H', '1975-05-21 22')->toDateTimeString(); // 1975-05-21 22:00:00 // 從時間戳記建立 echo Carbon::createFromTimeStamp(-1)->toDateTimeString(); // 1969-12-31 18:59:59 echo Carbon::createFromTimeStamp(-1, 'Europe/London')->toDateTimeString(); // 1970-01-01 00:59:59 echo Carbon::createFromTimeStampUTC(-1)->toDateTimeString(); // 1969-12-31 23:59:59 ~~~ ### 轉換日期 ~~~ <?php use Carbon\Carbon; // 透過文字移動日期 $knownDate = Carbon::create(2001, 5, 21, 12); // create testing date Carbon::setTestNow($knownDate); // set the mock echo new Carbon('tomorrow'); // 2001-05-22 00:00:00 ... notice the time ! echo new Carbon('yesterday'); // 2001-05-20 00:00:00 echo new Carbon('next wednesday'); // 2001-05-23 00:00:00 echo new Carbon('last friday'); // 2001-05-18 00:00:00 echo new Carbon('this thursday'); // 2001-05-24 00:00:00 ~~~ ### 取得日期資料 ~~~ <?php use Carbon\Carbon; $dt = Carbon::parse('2012-9-5 23:26:11.123789'); // 取的指定時間資料的資訊(整數) var_dump($dt->year); // int(2012) var_dump($dt->month); // int(9) var_dump($dt->day); // int(5) var_dump($dt->hour); // int(23) var_dump($dt->minute); // int(26) var_dump($dt->second); // int(11) var_dump($dt->micro); // int(123789) var_dump($dt->dayOfWeek); // int(3) var_dump($dt->dayOfYear); // int(248) var_dump($dt->weekOfMonth); // int(1) var_dump($dt->weekOfYear); // int(36) var_dump($dt->daysInMonth); // int(30) var_dump($dt->timestamp); // int(1346901971) var_dump(Carbon::createFromDate(1975, 5, 21)->age); // int(39) calculated vs now in the same tz var_dump($dt->quarter); // int(3) // 回傳與 UTC 差異的秒數 var_dump(Carbon::createFromTimestampUTC(0)->offset); // int(0) var_dump(Carbon::createFromTimestamp(0)->offset); // int(-18000) // 回傳與 UTC 差異的時數 var_dump(Carbon::createFromTimestamp(0)->offsetHours); // int(-5) // 找出當天日否有日光節約時間 var_dump(Carbon::createFromDate(2012, 1, 1)->dst); // bool(false) var_dump(Carbon::createFromDate(2012, 9, 1)->dst); // bool(true) // 判斷指定的的時區是否與預設的時區相同 var_dump(Carbon::now()->local); // bool(true) var_dump(Carbon::now('America/Vancouver')->local); // bool(false) // 判斷是否為 UTC 的時區時間 var_dump(Carbon::now()->utc); // bool(false) var_dump(Carbon::now('Europe/London')->utc); // bool(true) var_dump(Carbon::createFromTimestampUTC(0)->utc); // bool(true) // 取得時區實例 echo get_class(Carbon::now()->timezone); // DateTimeZone echo get_class(Carbon::now()->tz); // DateTimeZone // 取得時區實例的名稱 echo Carbon::now()->timezoneName; // America/Toronto echo Carbon::now()->tzName; // America/Toronto ~~~ ### 設定時間資料 ~~~ <?php use Carbon\Carbon; $dt = Carbon::now(); $dt->year = 1975; $dt->month = 13; // 年份會強制 +1,且月份變為 1 月 $dt->month = 5; $dt->day = 21; $dt->hour = 22; $dt->minute = 32; $dt->second = 5; $dt->timestamp = 169957925; // 這個設定不會變更時區 // 透過字串或是 DateTimeZone 實例去設定時區 $dt->timezone = new DateTimeZone('Europe/London'); $dt->timezone = 'Europe/London'; $dt->tz = 'Europe/London'; // 鏈結設定方式 $dt->year(1975)->month(5)->day(21)->hour(22)->minute(32)->second(5)->toDateTimeString(); $dt->setDate(1975, 5, 21)->setTime(22, 32, 5)->toDateTimeString(); $dt->setDateTime(1975, 5, 21, 22, 32, 5)->toDateTimeString(); $dt->timestamp(169957925)->timezone('Europe/London'); $dt->tz('America/Toronto')->setTimezone('America/Vancouver'); ~~~ ### 格式化時間資料 ~~~ <?php use Carbon\Carbon; $dt = Carbon::create(1975, 12, 25, 14, 15, 16); var_dump($dt->toDateTimeString() == $dt); // bool(true) => uses __toString() echo $dt->toDateString(); // 1975-12-25 echo $dt->toFormattedDateString(); // Dec 25, 1975 echo $dt->toTimeString(); // 14:15:16 echo $dt->toDateTimeString(); // 1975-12-25 14:15:16 echo $dt->toDayDateTimeString(); // Thu, Dec 25, 1975 2:15 PM // 仍可以使用 format() 函式 echo $dt->format('l jS \\of F Y h:i:s A'); // Thursday 25th of December 1975 02:15:16 PM // 常用的時間格式 echo $dt->toAtomString(); // in 1 Jahr echo $dt->toCookieString(); // Thursday, 25-Dec-1975 14:15:16 EST echo $dt->toIso8601String(); // 1975-12-25T14:15:16-0500 echo $dt->toRfc822String(); // Thu, 25 Dec 75 14:15:16 -0500 echo $dt->toRfc850String(); // Thursday, 25-Dec-75 14:15:16 EST echo $dt->toRfc1036String(); // Thu, 25 Dec 75 14:15:16 -0500 echo $dt->toRfc1123String(); // Thu, 25 Dec 1975 14:15:16 -0500 echo $dt->toRfc2822String(); // Thu, 25 Dec 1975 14:15:16 -0500 echo $dt->toRfc3339String(); // 1975-12-25T14:15:16-05:00 echo $dt->toRssString(); // Thu, 25 Dec 1975 14:15:16 -0500 echo $dt->toW3cString(); // 1975-12-25T14:15:16-05:00 ~~~ ### 比較時間差異 ~~~ <?php use Carbon\Carbon; echo Carbon::now()->tzName; // America/Toronto $first = Carbon::create(2012, 9, 5, 23, 26, 11); $second = Carbon::create(2012, 9, 5, 20, 26, 11, 'America/Vancouver'); echo $first->toDateTimeString(); // 2012-09-05 23:26:11 echo $first->tzName; // America/Toronto echo $second->toDateTimeString(); // 2012-09-05 20:26:11 echo $second->tzName; // America/Vancouver // 大於、等於、小於 var_dump($first->eq($second)); // bool(true) var_dump($first->ne($second)); // bool(false) var_dump($first->gt($second)); // bool(false) var_dump($first->gte($second)); // bool(true) var_dump($first->lt($second)); // bool(false) var_dump($first->lte($second)); // bool(true) $first->setDateTime(2012, 1, 1, 0, 0, 0); $second->setDateTime(2012, 1, 1, 0, 0, 0); // Remember tz is 'America/Vancouver' var_dump($first->eq($second)); // bool(false) var_dump($first->ne($second)); // bool(true) var_dump($first->gt($second)); // bool(false) var_dump($first->gte($second)); // bool(false) var_dump($first->lt($second)); // bool(true) var_dump($first->lte($second)); // bool(true) // 時間區間比較 $first = Carbon::create(2012, 9, 5, 1); $second = Carbon::create(2012, 9, 5, 5); var_dump(Carbon::create(2012, 9, 5, 3)->between($first, $second)); // bool(true) var_dump(Carbon::create(2012, 9, 5, 5)->between($first, $second)); // bool(true) var_dump(Carbon::create(2012, 9, 5, 5)->between($first, $second, false)); // bool(false) // 時間大小比較 $dt1 = Carbon::create(2012, 1, 1, 0, 0, 0); $dt2 = Carbon::create(2014, 1, 30, 0, 0, 0); echo $dt1->min($dt2); // 2012-01-01 00:00:00 $dt1 = Carbon::create(2012, 1, 1, 0, 0, 0); $dt2 = Carbon::create(2014, 1, 30, 0, 0, 0); echo $dt1->max($dt2); // 2014-01-30 00:00:00 // now is the default param $dt1 = Carbon::create(2000, 1, 1, 0, 0, 0); echo $dt1->max(); // 時間差異運算 echo Carbon::now('America/Vancouver')->diffInSeconds(Carbon::now('Europe/London')); // 0 $dtOttawa = Carbon::createFromDate(2000, 1, 1, 'America/Toronto'); $dtVancouver = Carbon::createFromDate(2000, 1, 1, 'America/Vancouver'); echo $dtOttawa->diffInHours($dtVancouver); // 3 echo $dtOttawa->diffInHours($dtVancouver, false); // 3 echo $dtVancouver->diffInHours($dtOttawa, false); // -3 $dt = Carbon::create(2012, 1, 31, 0); echo $dt->diffInDays($dt->copy()->addMonth()); // 31 echo $dt->diffInDays($dt->copy()->subMonth(), false); // -31 $dt = Carbon::create(2012, 4, 30, 0); echo $dt->diffInDays($dt->copy()->addMonth()); // 30 echo $dt->diffInDays($dt->copy()->addWeek()); // 7 $dt = Carbon::create(2012, 1, 1, 0); echo $dt->diffInMinutes($dt->copy()->addSeconds(59)); // 0 echo $dt->diffInMinutes($dt->copy()->addSeconds(60)); // 1 echo $dt->diffInMinutes($dt->copy()->addSeconds(119)); // 1 echo $dt->diffInMinutes($dt->copy()->addSeconds(120)); // 2 echo $dt->addSeconds(120)->secondsSinceMidnight(); // 120 ~~~ ### 時間狀態 ~~~ <?php use Carbon\Carbon; $dt = Carbon::now(); $dt->isWeekday(); $dt->isWeekend(); $dt->isYesterday(); $dt->isToday(); $dt->isTomorrow(); $dt->isFuture(); $dt->isPast(); $dt->isLeapYear(); $dt->isSameDay(Carbon::now()); $born = Carbon::createFromDate(1987, 4, 23); $noCake = Carbon::createFromDate(2014, 9, 26); $yesCake = Carbon::createFromDate(2014, 4, 23); var_dump($born->isBirthday($noCake)); // bool(false) var_dump($born->isBirthday($yesCake)); // bool(true) ~~~ ### 時間運算 ~~~ <?php use Carbon\Carbon; $dt = Carbon::create(2012, 1, 31, 0); echo $dt->toDateTimeString(); // 2012-01-31 00:00:00 echo $dt->addYears(5); // 2017-01-31 00:00:00 echo $dt->addYear(); // 2018-01-31 00:00:00 echo $dt->subYear(); // 2017-01-31 00:00:00 echo $dt->subYears(5); // 2012-01-31 00:00:00 echo $dt->addMonths(60); // 2017-01-31 00:00:00 echo $dt->addMonth(); // 2017-03-03 00:00:00 equivalent of $dt->month($dt->month + 1); so it wraps echo $dt->subMonth(); // 2017-02-03 00:00:00 echo $dt->subMonths(60); // 2012-02-03 00:00:00 echo $dt->addDays(29); // 2012-03-03 00:00:00 echo $dt->addDay(); // 2012-03-04 00:00:00 echo $dt->subDay(); // 2012-03-03 00:00:00 echo $dt->subDays(29); // 2012-02-03 00:00:00 echo $dt->addWeekdays(4); // 2012-02-09 00:00:00 echo $dt->addWeekday(); // 2012-02-10 00:00:00 echo $dt->subWeekday(); // 2012-02-09 00:00:00 echo $dt->subWeekdays(4); // 2012-02-03 00:00:00 echo $dt->addWeeks(3); // 2012-02-24 00:00:00 echo $dt->addWeek(); // 2012-03-02 00:00:00 echo $dt->subWeek(); // 2012-02-24 00:00:00 echo $dt->subWeeks(3); // 2012-02-03 00:00:00 echo $dt->addHours(24); // 2012-02-04 00:00:00 echo $dt->addHour(); // 2012-02-04 01:00:00 echo $dt->subHour(); // 2012-02-04 00:00:00 echo $dt->subHours(24); // 2012-02-03 00:00:00 echo $dt->addMinutes(61); // 2012-02-03 01:01:00 echo $dt->addMinute(); // 2012-02-03 01:02:00 echo $dt->subMinute(); // 2012-02-03 01:01:00 echo $dt->subMinutes(61); // 2012-02-03 00:00:00 echo $dt->addSeconds(61); // 2012-02-03 00:01:01 echo $dt->addSecond(); // 2012-02-03 00:01:02 echo $dt->subSecond(); // 2012-02-03 00:01:01 echo $dt->subSeconds(61); // 2012-02-03 00:00:00 ~~~ ### 人類閱讀時間格式 ~~~ <?php use Carbon\Carbon; // 通常會用在留言的時間顯示 // 該時間會比較與現在的時間的差異 echo Carbon::now()->subDays(5)->diffForHumans(); // 5 days ago echo Carbon::now()->diffForHumans(Carbon::now()->subYear()); // 1 year after $dt = Carbon::createFromDate(2011, 8, 1); echo $dt->diffForHumans($dt->copy()->addMonth()); // 1 month before echo $dt->diffForHumans($dt->copy()->subMonth()); // 1 month after echo Carbon::now()->addSeconds(5)->diffForHumans(); // 5 seconds from now echo Carbon::now()->subDays(24)->diffForHumans(); // 3 weeks ago echo Carbon::now()->subDays(24)->diffForHumans(null, true); // 3 weeks ~~~ ### 時間常數 ~~~ <?php use Carbon\Carbon; var_dump(Carbon::SUNDAY); // int(0) var_dump(Carbon::MONDAY); // int(1) var_dump(Carbon::TUESDAY); // int(2) var_dump(Carbon::WEDNESDAY); // int(3) var_dump(Carbon::THURSDAY); // int(4) var_dump(Carbon::FRIDAY); // int(5) var_dump(Carbon::SATURDAY); // int(6) var_dump(Carbon::YEARS_PER_CENTURY); // int(100) var_dump(Carbon::YEARS_PER_DECADE); // int(10) var_dump(Carbon::MONTHS_PER_YEAR); // int(12) var_dump(Carbon::WEEKS_PER_YEAR); // int(52) var_dump(Carbon::DAYS_PER_WEEK); // int(7) var_dump(Carbon::HOURS_PER_DAY); // int(24) var_dump(Carbon::MINUTES_PER_HOUR); // int(60) var_dump(Carbon::SECONDS_PER_MINUTE); // int(60) ~~~ ### 參考資料 - [Carbon - A simple PHP API extension for DateTime.](http://carbon.nesbot.com/) - [Carbon - docs](http://carbon.nesbot.com/docs/)