$calendarsArray is an simple array of content of .ics files
$globalVCalendar = new VObject\Component\VCalendar();
foreach($calendarsArray as $value){
$anCalendar = VObject\Reader::read($value);
//$nameCalendar = $anCalendar
foreach($anCalendar->VEVENT as $event) {
$globalVCalendar->add('VEVENT', $event); // ERRORS, need array
}
}
$globalVCalendar->add($event);
Evert