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PHP IntlCalendar isSet () 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 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

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