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.
- 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:
bool(true) bool(true) bool(true)
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