Question 16124 in Laravel Question posted in
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Last day of next month in PHP or Laravel

When I try to get the last day of next month by PHP or Laravel carbon, everything is ok, but when I try to get the last day of next month from a specific date, 2023-01-31, by

date('Y-m-01', strtotime('next month', strtotime('2023-01-31')));

OR

Carbon::createFromFormat('Y-m-d H:m:00:000', '2023-01-31')->addMonth()->format('Y-m-t H:m:00:000');

That time output results are given on 2023-03-31, but the last day of next month is 2023-02-28. So how can I solve it? It’s not working correctly.

$instituter = Institute::where('code', $instInfo->institute_code)->first();
            // $institute = Carbon::createFromFormat('Y-m-d H:m:00:000', $institute->institute_expire)->addMonth()->format('Y-m-d H:m:00:000');
            // $expire = $instituter->institute_expire;
            // $inst = Carbon::createFromFormat('Y-m-d H:i:00.000', $instituter->institute_expire)->addMonths(6)->startOfMonth()->format('Y-m-d');
            $inst = date('Y-m-01', strtotime('next month', strtotime($instituter->institute_expire)));
            // $inst = Carbon::createFromFormat('Y-m-d H:i:00.000', $instituter->institute_expire)->addMonths(6)->startOfMonth();
            // $institute = Carbon::createFromFormat('m/d/Y', $instituter->institute_expire)->addMonth();
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4

Answers


  1. 0 
    $next_month_last_date = date("Y-m-t", strtotime("+1 month"));

    t => number of days in the month

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  2. 0

    strtotime will do this …

    e.g.

    echo date('c', strtotime('last day of next month'));

    gives e.g. 2023-02-28T19:53:34+00:00, when today is 2023/01/21.

    Alternatively –

    ècho (new DateTime('last day of next month'))->format('c')

    will also work

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  3. 0

    A date is given as a string.

    $strDate = '2023-01-15';

    Based on this date, a date object is to be created for the last day of the following month. With DateTime this can be done in one line.

    $lastDdayOfNextMonth = date_create('last day of next month '.$strDate);

    Carbon is an extension of DateTime. Therefore this also works:

    $lastDdayOfNextMonth = Carbon::create('last day of next month '.$strDate);

echo $lastDdayOfNextMonth->format('c');
//2023-02-28T00:00:00+01:00

    If the date already exists as an object, it becomes even easier.

    $dt = new DateTime('2023-01-15');

$lastDdayOfNextMonth = $dt->modify('last day of next month');

    This works exactly the same with carbon again.

    $dt = new Carbon('2023-01-15');

$lastDdayOfNextMonth = $dt->modify('last day of next month');

    Beware of solutions with addMonth() with Carbon or just ‘next Month’ for DateTime. Older versions also return incorrect results for the date "2023-01-31" as with the question. Carbon has a special method for adding months ‘without overflow’: addMonthsNoOverflow()

    $endOfNextMonth = Carbon::create('2023-01-31')
  ->addMonthsNoOverflow(1)
  ->endOfMonth()
;

echo $endOfNextMonth;  //2023-02-28 23:59:59
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  4. 0

    From Laravel 5.5 you can use now() function to get the current date and time and you can get the last date of next month using :

    now()->addMonth()->endOfMonth();

    if you want to format to Y-m-d

    now()->addMonth()->endOfMonth()->format('Y-m-d');

    or if you want to get only date change format to $now->format(‘d’);

    if you are using laravel version less than 5.5 using the above functions as

    CarbonCarbon::now()->addMonth()->endOfMonth();
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