stackoverflow.com

DATE_ADD(date,INTERVAL expr type): DATE_SUB(date,INTERVAL expr type): ADDDATE(date,INTERVAL expr type): SUBDATE(date,INTERVAL expr type) ...

  www.mysql.ru

  stackoverflow.com

  www.php.net

To specify an interval to add or subtract onto the date use the parameter «interval » ... here https://www.php.net/manual/en/dateinterval.createfromdatestring.php.

  ru.wordpress.org

Класс DateInterval ¶. (PHP 5 >= 5.3.0, PHP 7). Введение ¶. Представляет интервалы дат. Интервал дат хранит либо ...

  in3.php.net

  ikfi.ru

  www.codeproject.com

  www.plus2net.com

  hotexamples.com

... This is correct, but if I subtract 2016-04-23 00:00:00 to 2016-04-02 09:39:01 ...

  php5.kiev.ua

$interval = new DateInterval("P2D"); $interval->invert = 1; ?> Then you should keep in mind that this interval acts as a negative number, hence to subtract the ...

  www.php.net

For example, if you subtract an hour from 00:30:00 , the returned value is 23:30: 00 . Return Data Type. TIME. Example. SELECT TIME "15:30:00" as original_date, ...

  cloud.google.com

But if I try to subtract time: $t = new DateTime( '2014-03-30 04:00:00' ); $t->sub( new DateInterval('PT1H') ); echo $->format('Y-m-d H:i:s'); output will be: ...

  www.php.net

  www.php.net

  riptutorial.com

//notes for "addTime" also apply to this function but note that I like separate add and subtract functions because setting the DateInterval property flag to indicate ...

  php5.kiev.ua

Все существующие функции для обработки даты/времени перечислены в Таблице 9.30, а подробнее они описаны в следующих подразделах.

  postgrespro.ru

  gist.github.com

3.1 Quickly Outputting the Current Time; 3.2 Adding and Subtracting from ... the PHP DateTime object, it provides methods for adding and subtracting from dates. ... use Joomla\CMS\Date\Date; $interval = new \DateInterval('P1Y1D'); // Interval ...

  docs.joomla.org

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