Syntax: Parameters:This function uses two parameters as above and described below:
- $cal:This parameter contains an IntlCalendar object resource.
- $field:This parameter contains one of the IntlCalendar date / time field constants. Field constant values are integers and range from 0 to IntlCalendar::FIELD_COUNT.
Returned value:This function returns TRUE if the field is set and returns error if the field is not set.The program below illustrates the IntlCalendar::isSet() function in PHP:
Program :
// Set the DateTime zone ini_set ( ’date.timezone’ , ’ Asia / Calcutta’ );
// Create an IntlCalendar instance $calendar = IntlCalendar::createInstance ( ’Asia / Calcutta’ );
// Check month field is set or not var_dump ( $calendar -> isSet (IntlCalendar::FIELD_MONTH ));
// Set the DateTime for the object $calendar -> set (2019, 8, 29);
// Checking the month field var_dump ( $calendar -> isSet (IntlCalendar::FIELD_MONTH));
// Set the DateTime object $calendar -> set ( strtotime ( ’2019-09-22 12: 30: 00’ ));
// Checking the year field var_dump ( $calendar -> isSet (IntlCalendar::FIELD_YEAR));
?> Exit:bool (true ) bool (true) bool (true)
Link: https : //www.php.net/manual/en/intlcalendar.isset.php
