Simplify DateTime using CARBON in Php and Laravel

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Carbon is a simple PHP API extension for DateTime.
Working with DateTime in Php is not as easy as you think. The DateTime needs to be converted from string using STRTOTIME in which you face formatting issues etc.
So, in that case, carbon can help you to deal with all these stuff related to your DateTime.
Carbon is a package introduced by Brian Nesbitt, you can check at – https://github.com/briannesbitt/Carbon
The Carbon class is inherited from the PHP DateTime class.

SETUP With Composer

composer require nesbot/carbon
{
    "require": {
        "nesbot/carbon": "^2.16"
    }
}
<?php
require 'vendor/autoload.php';

use Carbon\Carbon;

printf("Now: %s", Carbon::now());

Without Composer
Download the Carbon latest release and put the contents of the ZIP archive into a directory in your project. Then require the file autoload.php to get all classes and dependencies loaded wherever need.

<?php
require 'path-to-your-Carbon-directory/autoload.php';

use Carbon\Carbon;

printf("Now: %s", Carbon::now());

To accompany now(), a few other static instantiation helpers exist to create widely known instances.
$timestamp = Carbon::now();

echo $timestamp;                               // 2020-03-06 05:44:16

echo "\n";

$today = Carbon::today();

echo $today;                             // 2020-03-06 00:00:00

echo "\n";
$tomorrow = Carbon::tomorrow('Europe/London');

echo $tomorrow;                          // 2020-03-07 00:00:00

echo "\n";

$yesterday = Carbon::yesterday();

echo $yesterday;                         // 2020-03-05 00:00:00

createFromDate() will default the time to now. 

createFromTime() will default the date to today.

$xmasThisYear = Carbon::createFromDate(null, 12, 25);  // Year defaults to current year
 
$noonLondonTz = Carbon::createFromTime(12, 0, 0, 'Europe/London');

$teaTime = Carbon::createFromTimeString('17:00:00', 'Europe/London');

Weeks

$en = CarbonImmutable::now()->locale('en_US');
$ar = CarbonImmutable::now()->locale('ar');

var_dump($en->firstWeekDay);                           // int(0)
var_dump($en->lastWeekDay);                            // int(6)
var_dump($en->startOfWeek()->format('Y-m-d H:i'));     // string(16) "2020-02-23 00:00"
var_dump($en->endOfWeek()->format('Y-m-d H:i'));       // string(16) "2020-02-29 23:59"

echo "-----------\n";

// We still can force to use an other day as start/end of week
$start = $en->startOfWeek(Carbon::TUESDAY);
$end = $en->endOfWeek(Carbon::MONDAY);
var_dump($start->format('Y-m-d H:i'));   
              // string(16) "2020-02-25 00:00"
var_dump($end->format('Y-m-d H:i'));                   // string(16) "2020-03-02 23:59"

echo "-----------\n";

var_dump($ar->firstWeekDay);                           // int(6)
var_dump($ar->lastWeekDay);                            // int(5)
var_dump($ar->startOfWeek()->format('Y-m-d H:i'));     // string(16) "2020-02-29 00:00"
var_dump($ar->endOfWeek()->format('Y-m-d H:i'));       // string(16) "2020-03-06 23:59"

$en = CarbonImmutable::parse('2015-02-05'); // use en_US as default locale

echo "-----------\n";

var_dump($en->weeksInYear());                          // int(52)
var_dump($en->isoWeeksInYear());                       // int(53)

$en = CarbonImmutable::parse('2017-02-05');

echo "-----------\n";

var_dump($en->week());                                 // int(6)
var_dump($en->isoWeek());                              // int(5)
var_dump($en->week(1)->format('Y-m-d H:i'));           // string(16) "2017-01-01 00:00"
var_dump($en->isoWeek(1)->format('Y-m-d H:i'));        // string(16) "2017-01-08 00:00"
var_dump($en->weekday());                              // int(0)
var_dump($en->isoWeekday());                           // int(7)
var_dump($en->weekday(3)->format('Y-m-d H:i'));        // string(16) "2017-02-08 00:00"
var_dump($en->isoWeekday(3)->format('Y-m-d H:i'));     // string(16) "2017-02-01 00:00"

$en = CarbonImmutable::parse('2017-01-01');

echo "-----------\n";

var_dump($en->weekYear());                             // int(2017)
var_dump($en->isoWeekYear());                          // int(2016)
var_dump($en->weekYear(2016)->format('Y-m-d H:i'));    // string(16) "2015-12-27 00:00"
var_dump($en->isoWeekYear(2016)->format('Y-m-d H:i')); // string(16) "2017-01-01 00:00"
var_dump($en->weekYear(2015)->format('Y-m-d H:i'));    // string(16) "2014-12-28 00:00"
var_dump($en->isoWeekYear(2015)->format('Y-m-d H:i')); // string(16) "2015-12-27 00:00"

// Note you still can force first day of week and year to use:
$en = CarbonImmutable::parse('2017-01-01');

echo "-----------\n";

var_dump($en->weeksInYear(null, 6, 12));               // int(52)
var_dump($en->isoWeeksInYear(null, 6, 12));            // int(52)
var_dump($en->week(null, 6, 12));                      // int(52)
var_dump($en->isoWeek(null, 6, 12));                   // int(52)
var_dump($en->weekYear(null, 6, 12));                  // int(2016)
var_dump($en->isoWeekYear(null, 6, 12));               // int(2016)
var_dump($en->weekYear(2016, 6, 12)->format('Y-m-d H:i')); // string(16) "2017-01-01 00:00"
var_dump($en->isoWeekYear(2016, 6, 12)->format('Y-m-d H:i')); // string(16) "2017-01-01 00:00"

Addition and Subtraction

$dt = Carbon::create(2012, 1, 31, 0);

echo $dt->toDateTimeString();            // 2012-01-31 00:00:00

echo $dt->addCenturies(5);               // 2512-01-31 00:00:00
echo $dt->addCentury();                  // 2612-01-31 00:00:00
echo $dt->subCentury();                  // 2512-01-31 00:00:00
echo $dt->subCenturies(5);               // 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->addQuarters(2);                // 2012-07-31 00:00:00
echo $dt->addQuarter();                  // 2012-10-31 00:00:00
echo $dt->subQuarter();                  // 2012-07-31 00:00:00
echo $dt->subQuarters(2);                // 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

echo $dt->addMilliseconds(61);           // 2012-02-03 00:00:00
echo $dt->addMillisecond();              // 2012-02-03 00:00:00
echo $dt->subMillisecond();              // 2012-02-03 00:00:00
echo $dt->subMillisecond(61);            // 2012-02-03 00:00:00

echo $dt->addMicroseconds(61);           // 2012-02-03 00:00:00
echo $dt->addMicrosecond();              // 2012-02-03 00:00:00
echo $dt->subMicrosecond();              // 2012-02-03 00:00:00
echo $dt->subMicroseconds(61);           // 2012-02-03 00:00:00

// and so on for any unit: Millenium, century, decade, year, quarter, month, week, day, weekday,
// hour, minute, second, microsecond.

// Generic methods add/sub (or subtract alias) can take many different arguments:
echo $dt->add(61, 'seconds');                      // 2012-02-03 00:01:01
echo $dt->sub('1 day');                            // 2012-02-02 00:01:01
echo $dt->add(CarbonInterval::months(2));          // 2012-04-02 00:01:01
echo $dt->subtract(new DateInterval('PT1H'));      // 2012-04-01 23:01:01

Conversion

$dt = Carbon::createFromFormat('Y-m-d H:i:s.u', '2019-02-01 03:45:27.612584');

Common Formats
$dt = Carbon::createFromFormat('Y-m-d H:i:s.u', '2019-02-01 03:45:27.612584');

// $dt->toAtomString() is the same as $dt->format(DateTime::ATOM);
echo $dt->toAtomString();           // 2019-02-01T03:45:27+00:00
echo $dt->toCookieString();         // Friday, 01-Feb-2019 03:45:27 UTC

echo $dt->toIso8601String();        // 2019-02-01T03:45:27+00:00
 
echo $dt->format(DateTime::ISO8601); // 2019-02-01T03:45:27+0000

echo $dt->toISOString();            // 2019-02-01T03:45:27.612584Z
echo $dt->toJSON();                 // 2019-02-01T03:45:27.612584Z

echo $dt->toIso8601ZuluString();    // 2019-02-01T03:45:27Z
echo $dt->toDateTimeLocalString();  // 2019-02-01T03:45:27
echo $dt->toRfc822String();         // Fri, 01 Feb 19 03:45:27 +0000
echo $dt->toRfc850String();         // Friday, 01-Feb-19 03:45:27 UTC
echo $dt->toRfc1036String();        // Fri, 01 Feb 19 03:45:27 +0000
echo $dt->toRfc1123String();        // Fri, 01 Feb 2019 03:45:27 +0000
echo $dt->toRfc2822String();        // Fri, 01 Feb 2019 03:45:27 +0000
echo $dt->toRfc3339String();        // 2019-02-01T03:45:27+00:00
echo $dt->toRfc7231String();        // Fri, 01 Feb 2019 03:45:27 GMT
echo $dt->toRssString();            // Fri, 01 Feb 2019 03:45:27 +0000
echo $dt->toW3cString();            // 2019-02-01T03:45:27+00:00

 

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