PHP code example of krixon / datetime

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

krixon / datetime example snippets

// These objects all represent the current time.
$date = DateTime::now();
$date = DateTime::create();
$date = new DateTime();

// Standard (second) precision.
DateTime::fromTimestamp(1499789008)->format('Y-m-d H:i:s.u');
// 2017-07-11 16:03:28.000000

// Millisecond precision.
DateTime::fromTimestampWithMilliseconds(1499789008123)->format('Y-m-d H:i:s.u');
// 2017-07-11 16:03:28.123000

// Microsecond precision.
DateTime::fromTimestampWithMicroseconds(1499789008123456)->format('Y-m-d H:i:s.u');
// 2017-07-11 16:03:28.123456

$date = DateTime::fromFormat('Y-m-d H:i:s.u', '2017-07-11 16:03:28.123456');

$date = DateTime::create('yesterday');
$date = DateTime::create('1 month ago');
$date = DateTime::create('first day of January 2008');
$date = DateTime::create('+5 weeks');
$date = DateTime::create('Monday next week');
// etc

$date = DateTime::fromInternalDateTime(new \DateTime());

$calendar = \IntlCalendar::createInstance();
$calendar->setTime(1499789008123);
$date = DateTime::fromIntlCalendar($calendar);

$date = DateTime::create('21st March 2017 09:45:00');

$date->withDateAt(2016, 09, 15); // 2016-09-15 09:45:00

// Any components not specified will not be changed.
$date->withDateAt(null, null, 15); // 2017-01-15 09:45:00

// There are also methods for setting the components individually.
$date->withYear(1981);           // 1981-03-21 09:45:00
$date->withMonth(DateTime::JAN); // 2017-01-21 09:45:00
$date->withDay(15);              // 2017-03-15 09:45:00

// Convenience methods for common date adjustments.
$date->withDateAtStartOfYear();                       // 2017-01-01 00:00:00
$date->withDateAtStartOfMonth();                      // 2017-03-01 00:00:00
$date->withDateAtEndOfMonth();                        // 2017-03-31 00:00:00
$date->withDateAtDayOfWeekInMonth(DateTime::TUE, 4);  // 2017-03-28 00:00:00 (4th Tuesday in March 2017)
$date->withDateAtDayOfWeekInMonth(DateTime::MON, -2); // 2017-03-20 00:00:00 (Penultimate Tuesday in March 2017)
$date->withDateAtStartOfWeek('en_GB');                // 2017-03-20 00:00:00 (Monday, start of the week of 21st Match 2017 in Great Britain).
$date->withDateAtStartOfWeek('en_US');                // 2017-03-19 00:00:00 (Sunday, start of the week of 21st Match 2017 in USA).

$calculator = DateTime::create('2017-01-01')->calculator();

for ($i = 0; $i < 50; $i++) {
    $calculator->addInterval('PT1D');
}

$date = $calculator->result(); // 2017-02-19