PHP | IntlCalendar isSet() Function

The IntlCalendar::isSet() function is an inbuilt function in PHP which is used to check whether a given field is set or not. This function is opposite to IntlCalendar::clear() function.

Syntax:

  • Object oriented style
    bool IntlCalendar::isSet( int $field )
  • Procedural style
    bool intlcal_is_set( IntlCalendar $cal, int $field )

Parameters: This function uses two parameters as mentioned above and described below:



  • $cal: This parameter holds the resource of IntlCalendar object.
  • $field: This parameter holds one of the IntlCalendar date/time field constants. The value of field constants are integer and lies between 0 to IntlCalendar::FIELD_COUNT.

Return Value: This function returns TRUE if the field is set and returns error if the field is not set.

Below program illustrates the IntlCalendar::isSet() function in PHP:

Program:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
  
// Set the DateTime zone
ini_set('date.timezone', 'Asia/Calcutta');
  
// Create an instance of IntlCalendar
$calendar = IntlCalendar::createInstance('Asia/Calcutta');
  
// Check month field is set or not
var_dump($calendar->isSet(IntlCalendar::FIELD_MONTH));
  
// Set the DateTime to the object
$calendar->set(2019, 8, 29);
  
// Check for month field
var_dump($calendar->isSet(IntlCalendar::FIELD_MONTH));
  
// Set the DateTime object
$calendar->set(strtotime('2019-09-22 12:30:00'));
  
// Check for year field
var_dump($calendar->isSet(IntlCalendar::FIELD_YEAR));
  
?>

chevron_right


Output:

bool(true)
bool(true)
bool(true)

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



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.


Article Tags :
Practice Tags :


Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.