@@ -108,7 +108,7 @@ class Broker
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*
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* @return VCalendar|null
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*/
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- public function processMessage (Message $ itipMessage , VCalendar $ existingObject = null )
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+ public function processMessage (Message $ itipMessage , ? VCalendar $ existingObject = null )
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{
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// We only support events at the moment.
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if ('VEVENT ' !== $ itipMessage ->component ) {
@@ -266,7 +266,7 @@ public function parseEvent($calendar, $userHref, $oldCalendar = null)
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*
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* @return VCalendar|null
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*/
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- protected function processMessageRequest (Message $ itipMessage , VCalendar $ existingObject = null )
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+ protected function processMessageRequest (Message $ itipMessage , ? VCalendar $ existingObject = null )
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{
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if (!$ existingObject ) {
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// This is a new invite, and we're just going to copy over
@@ -301,7 +301,7 @@ protected function processMessageRequest(Message $itipMessage, VCalendar $existi
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*
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* @return VCalendar|null
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*/
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- protected function processMessageCancel (Message $ itipMessage , VCalendar $ existingObject = null )
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+ protected function processMessageCancel (Message $ itipMessage , ? VCalendar $ existingObject = null )
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{
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if (!$ existingObject ) {
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// The event didn't exist in the first place, so we're just
@@ -326,7 +326,7 @@ protected function processMessageCancel(Message $itipMessage, VCalendar $existin
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*
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* @return VCalendar|null
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*/
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- protected function processMessageReply (Message $ itipMessage , VCalendar $ existingObject = null )
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+ protected function processMessageReply (Message $ itipMessage , ? VCalendar $ existingObject = null )
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{
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// A reply can only be processed based on an existing object.
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// If the object is not available, the reply is ignored.
@@ -807,7 +807,7 @@ protected function parseEventForAttendee(VCalendar $calendar, array $eventInfo,
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*
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* @return array
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*/
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- protected function parseEventInfo (VCalendar $ calendar = null )
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+ protected function parseEventInfo (? VCalendar $ calendar = null )
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{
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$ uid = null ;
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$ organizer = null ;
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