Email: List

// NOTE: mind the version of exchange you are connecting to.
$ews = new ExchangeWebServices($host, $username, $password, ExchangeWebServices::VERSION_2007_SP1);

$request = new EWSType_FindItemType();

$request->ItemShape = new EWSType_ItemResponseShapeType();
$request->ItemShape->BaseShape = EWSType_DefaultShapeNamesType::DEFAULT_PROPERTIES;

$request->Traversal = EWSType_ItemQueryTraversalType::SHALLOW;

$request->ParentFolderIds = new EWSType_NonEmptyArrayOfBaseFolderIdsType();
$request->ParentFolderIds->DistinguishedFolderId = new EWSType_DistinguishedFolderIdType();
$request->ParentFolderIds->DistinguishedFolderId->Id = EWSType_DistinguishedFolderIdNameType::INBOX;

// sort order
$request->SortOrder = new EWSType_NonEmptyArrayOfFieldOrdersType();
$request->SortOrder->FieldOrder = array();
$order = new EWSType_FieldOrderType();
// sorts mails so that oldest appear first
// more field uri definitions can be found from types.xsd (look for UnindexedFieldURIType)
$order->FieldURI->FieldURI = 'item:DateTimeReceived'; 
$order->Order = 'Ascending'; 
$request->SortOrder->FieldOrder[] = $order;

$response = $ews->FindItem($request);
echo '<pre>'.print_r($response, true).'</pre>';