PHP | IntlCalendar before() Function

The IntlCalendar::before() function is an inbuilt function in PHP which returns True if the object current time is before that of the passed object.

Syntax:

• Object oriented style:

  bool IntlCalendar::before( IntlCalendar $other )

• Procedural style:

  bool intlcal_before( IntlCalendar $cal, IntlCalendar $other )

Parameters:

• $cal: This parameter holds the IntlCalendar resource.
• $other: This parameter holds the calendar whose time checked against the primary object time.

Return Value: This function returns TRUE if the object current time is before that of the passed object.

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

Program:

<?php

// Create an IntlCalendar from a DateTime object or string
$calendar1 = IntlCalendar::fromDateTime('2019-08-29 09:19:29');

// Clone the Calendar date
$calendar2 = clone $calendar1;

// Use IntlCalendar::before() function
// and display result
var_dump($calendar1->before($calendar2));
var_dump($calendar2->before($calendar1));

// Use IntlCalendar::add() function to
// add month in date
$calendar1->add(IntlCalendar::FIELD_MONTH, 1);

// Use IntlCalendar::before() function
// and display result
var_dump($calendar1->before($calendar2));
var_dump($calendar2->before($calendar1));

?>

Output:

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

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