- Object Oriented Style
bool public IntlCalendar::inDaylightTime (void )
- Procedural style
bool intlcal_in_daylight_time (IntlCalendar $cal)
Parameters:This function takes a single $cal,parameter that contains the IntlCalendar object resource.Return value: This function returns TRUE if the date is in daylight saving time, FALSE otherwise.The following program illustrates the IntlCalendar::inDaylightTime() function in PHP:Program :
// Set the DateTime zone ini_set ( ’date.timezone’ , ’ Europe / Lisbon’ );
// Create an IntlCalendar instance $calendar = IntlCalendar::createInstance ( ’Europe / Lisbon’ );
// Check if the object’s time is in
// Daylight saving time or not var_dump ( $calendar -> inDaylightTime());
// Set month field to IntlCalendar $calendar -> set (IntlCalendar::FIELD_MONTH, 11);
// Check if the object’s time is in
// Daylight saving time or not var_dump ( $calendar -> inDaylightTime());
// Declare the IntlGregorianCalendar object $calendar = new IntlGregorianCalendar (2019, 8, 24, 12, 40, 10);
// Check if the object’s time is in
// Daylight saving time or not var_dump ( $calendar -> inDaylightTime());
// Set the date for the DateTime $calendar -> set (2019, 8, 24);
// Check if the object’s time is in
// Daylight saving time or not var_dump ( $calendar -> inDaylightTime());
?> Exit:bool (true ) bool (false) bool (true) bool (true)
Link: https://www.php.net/manual/en/intlcalendar.indaylighttime.php
