Calendar: Create Event

$ews = new ExchangeWebServices($host, $username, $password, $version);

// Start building the request.
$request = new EWSType_CreateItemType();
$request->Items = new EWSType_NonEmptyArrayOfAllItemsType();
$request->Items->CalendarItem = new EWSType_CalendarItemType();

// Set the subject.
$request->Items->CalendarItem->Subject = 'Basic Calendar Item Insertion';

// Set the start and end times. For Exchange 2007, you need to include the timezone offset.
// For Exchange 2010, you should set the StartTimeZone and EndTimeZone properties. See below for
// an example.
$date = new DateTime('8:00 AM');
$request->Items->CalendarItem->Start = $date->format('c');
$date->modify('+1 hour');
$request->Items->CalendarItem->End = $date->format('c');

// Set no reminders
$request->Items->CalendarItem->ReminderIsSet = false;

// Or use this to specify when reminder is displayed (if this is not set, the default is 15 minutes)
$request->Items->CalendarItem->ReminderMinutesBeforeStart = 15;

// Build the body.
$request->Items->CalendarItem->Body = new EWSType_BodyType();
$request->Items->CalendarItem->Body->BodyType = EWSType_BodyTypeType::HTML;
$request->Items->CalendarItem->Body->_ = 'This is <b>the</b> body';

// Set the item class type (not required).
$request->Items->CalendarItem->ItemClass = new EWSType_ItemClassType();
$request->Items->CalendarItem->ItemClass->_ = EWSType_ItemClassType::APPOINTMENT;

// Set the sensativity of the event (defaults to normal).
$request->Items->CalendarItem->Sensitivity = new EWSType_SensitivityChoicesType();
$request->Items->CalendarItem->Sensitivity->_ = EWSType_SensitivityChoicesType::NORMAL;

// Add some categories to the event.
$request->Items->CalendarItem->Categories = new EWSType_ArrayOfStringsType();
$request->Items->CalendarItem->Categories->String = array('Testing', 'php-ews');

// Set the importance of the event.
$request->Items->CalendarItem->Importance = new EWSType_ImportanceChoicesType();
$request->Items->CalendarItem->Importance->_ = EWSType_ImportanceChoicesType::NORMAL;

// Don't send meeting invitations.
$request->SendMeetingInvitations = EWSType_CalendarItemCreateOrDeleteOperationType::SEND_TO_NONE;

$response = $ews->CreateItem($request);

// Set the start and end times.
$date = new DateTime('8:00 AM');
$request->Items->CalendarItem->Start = $date->format('Y-m-d\TH:i:s');
$date->modify('+1 hour');
$request->Items->CalendarItem->End = $date->format('Y-m-d\TH:i:s');

// Build the timezone definition and set it as the StartTimeZone.
$request->Items->CalendarItem->StartTimeZone = new EWSType_TimeZoneDefinitionType();
$request->Items->CalendarItem->StartTimeZone->Id = 'Eastern Standard Time';
$request->Items->CalendarItem->StartTimeZone->Periods = new EWSType_NonEmptyArrayOfPeriodsType();

$period = new EWSType_PeriodType();
$period->Bias =  'PT5H';
$period->Name = 'Standard';
$period->Id = 'trule:Microsoft/Registry/Eastern Standard Time/2006-Standard';
$request->Items->CalendarItem->StartTimeZone->Periods->Period[] = $period;

$period = new EWSType_PeriodType();
$period->Bias =  'PT4H';
$period->Name = 'Daylight';
$period->Id = 'trule:Microsoft/Registry/Eastern Standard Time/2006-Daylight';
$request->Items->CalendarItem->StartTimeZone->Periods->Period[] = $period;

$period = new EWSType_PeriodType();
$period->Bias =  'PT5H';
$period->Name = 'Standard';
$period->Id = 'trule:Microsoft/Registry/Eastern Standard Time/2007-Standard';
$request->Items->CalendarItem->StartTimeZone->Periods->Period[] = $period;

$period = new EWSType_PeriodType();
$period->Bias =  'PT4H';
$period->Name = 'Daylight';
$period->Id = 'trule:Microsoft/Registry/Eastern Standard Time/2007-Daylight';
$request->Items->CalendarItem->StartTimeZone->Periods->Period[] = $period;

$request->Items->CalendarItem->StartTimeZone->TransitionsGroups = new EWSType_ArrayOfTransitionsGroupsType();
$request->Items->CalendarItem->StartTimeZone->TransitionsGroups->TransitionsGroup = array();

$group = new EWSType_ArrayOfTransitionsGroupsType();
$group->Id = 0;

$transition = new EWSType_RecurringDayTransitionType();
$transition->To = new EWSType_TransitionTargetType();
$transition->To->_ = 'trule:Microsoft/Registry/Eastern Standard Time/2006-Daylight';
$transition->To->Kind = new EWSType_KindType();
$transition->To->Kind->_ = EWSType_KindType::PERIOD;
$transition->TimeOffset = 'PT2H';
$transition->Month = 4;
$transition->Occurrence = new EWSType_OccurrenceType();
$transition->Occurrence->_ = EWSType_OccurrenceType::FIRST_FROM_BEGINNING;
$transition->DayOfWeek = new EWSType_DayOfWeekType();
$transition->DayOfWeek->_ = EWSType_DayOfWeekType::SUNDAY;
$group->RecurringDayTransition[] = $transition;

$transition = new EWSType_RecurringDayTransitionType();
$transition->To = new EWSType_TransitionTargetType();
$transition->To->_ = 'trule:Microsoft/Registry/Eastern Standard Time/2006-Standard';
$transition->To->Kind = new EWSType_KindType();
$transition->To->Kind->_ = EWSType_KindType::PERIOD;
$transition->TimeOffset = 'PT2H';
$transition->Month = 10;
$transition->Occurrence = new EWSType_OccurrenceType();
$transition->Occurrence->_ = EWSType_OccurrenceType::FIRST_FROM_END;
$transition->DayOfWeek = new EWSType_DayOfWeekType();
$transition->DayOfWeek->_ = EWSType_DayOfWeekType::SUNDAY;
$group->RecurringDayTransition[] = $transition;
$request->Items->CalendarItem->StartTimeZone->TransitionsGroups->TransitionsGroup[] = $group;

$group = new EWSType_ArrayOfTransitionsGroupsType();
$group->Id = 1;

$transition = new EWSType_RecurringDayTransitionType();
$transition->To = new EWSType_TransitionTargetType();
$transition->To->_ = 'trule:Microsoft/Registry/Eastern Standard Time/2006-Daylight';
$transition->To->Kind = new EWSType_KindType();
$transition->To->Kind->_ = EWSType_KindType::PERIOD;
$transition->TimeOffset = 'PT2H';
$transition->Month = 3;
$transition->Occurrence = new EWSType_OccurrenceType();
$transition->Occurrence->_ = EWSType_OccurrenceType::FIRST_FROM_BEGINNING;
$transition->DayOfWeek = new EWSType_DayOfWeekType();
$transition->DayOfWeek->_ = EWSType_DayOfWeekType::SUNDAY;
$group->RecurringDayTransition[] = $transition;

$transition = new EWSType_RecurringDayTransitionType();
$transition->To = new EWSType_TransitionTargetType();
$transition->To->_ = 'trule:Microsoft/Registry/Eastern Standard Time/2006-Standard';
$transition->To->Kind = new EWSType_KindType();
$transition->To->Kind->_ = EWSType_KindType::PERIOD;
$transition->TimeOffset = 'PT2H';
$transition->Month = 11;
$transition->Occurrence = new EWSType_OccurrenceType();
$transition->Occurrence->_ = EWSType_OccurrenceType::FIRST_FROM_END;
$transition->DayOfWeek = new EWSType_DayOfWeekType();
$transition->DayOfWeek->_ = EWSType_DayOfWeekType::SUNDAY;
$group->RecurringDayTransition[] = $transition;
$request->Items->CalendarItem->StartTimeZone->TransitionsGroups->TransitionsGroup[] = $group;


$request->Items->CalendarItem->StartTimeZone->Transitions = new EWSType_ArrayOfTransitionsType();
$request->Items->CalendarItem->StartTimeZone->Transitions->Transition = new EWSType_TransitionType();
$request->Items->CalendarItem->StartTimeZone->Transitions->Transition->To = new EWSType_TransitionTargetType();
$request->Items->CalendarItem->StartTimeZone->Transitions->Transition->To->_ = 0;
$request->Items->CalendarItem->StartTimeZone->Transitions->Transition->To->Kind = new EWSType_KindType();
$request->Items->CalendarItem->StartTimeZone->Transitions->Transition->To->Kind = EWSType_KindType::GROUP;

// The EndTimeZone is the same so just clone the StartTimeZone.
$request->Items->CalendarItem->EndTimeZone = clone $request->Items->CalendarItem->StartTimeZone;