PHP | IntlCalendar fromDateTime() Function

The IntlCalendar::fromDateTime() function is an inbuilt function in PHP which is used to create an IntlCalendar from a DateTime object or string. The value of new calendar represents the same instant as the DateTime and timezone. Syntax:

• Object oriented style

  IntlCalendar IntlCalendar::fromDateTime( mixed $dateTime )

• Procedural style

  IntlCalendar intlcal_from_date_time( mixed $dateTime )

Parameters: This function accepts single parameter $dateTime which holds the DateTime object or a string that can be passed to DateTime::__construct() function. Return Value: This function returns the IntlCalendar object on success or NULL on failure. If a string is passed as a parameter then an exception occurs inside the DateTime constructor. Below programs illustrate the IntlCalendar::fromDateTime() function in PHP: Program 1: php

<?php 

// Create an IntlCalendar from a DateTime object or string 
$calendar = IntlCalendar::fromDateTime('2019-08-29 09:19:29'); 

// Add the date 
$calendar->add(IntlCalendar::FIELD_YEAR, 5); 

// Display the result date 
echo IntlDateFormatter::formatObject($calendar), "\n"; 

// Add the date 
$calendar->add(IntlCalendar::FIELD_YEAR, 10); 

// Display the result output 
echo IntlDateFormatter::formatObject($calendar), "\n"; 

// Add the date 
$calendar->add(IntlCalendar::FIELD_HOUR_OF_DAY, 10); 

// Display the result output 
echo IntlDateFormatter::formatObject($calendar); 

?> 

Program 2: php

<?php 

// Create an IntlCalendar from a DateTime object or string 
$calendar = IntlCalendar::fromDateTime('2019-08-29 09:19:29'); 

// Add the date 
$calendar->add(IntlCalendar::FIELD_MONTH, 1); 

// Display the result date 
echo IntlDateFormatter::formatObject($calendar);

?> 

Reference: https://www.php.net/manual/en/intlcalendar.fromdatetime.php