+/*
+ * Collection primarily as the root of an Activity Streams doc but can be used as the value
+ * of extension properties in a variety of situations.
+ *
+ * A valid Collection object serialization MUST contain at least the url or items properties.
+ */
+class JSONActivityCollection {
+
+ /* Non-negative integer specifying the total number of activities within the stream */
+ protected $totalItems;
+
+ /* An array containing a listing of Objects of any object type */
+ protected $items;
+
+ /* IRI referencing a JSON document containing the full listing of objects in the collection */
+ protected $url;
+
+ /**
+ * Constructor
+ *
+ * @param array $items array of activity items
+ * @param string $url url of a doc list all the objs in the collection
+ * @param int $totalItems total number of items in the collection
+ */
+ function __construct($items = null, $url = null)
+ {
+ $this->items = empty($items) ? array() : $items;
+ $this->totalItems = count($items);
+ $this->url = $url;
+ }
+
+ /**
+ * Get the total number of items in the collection
+ *
+ * @return int total the total
+ */
+ public function getTotalItems()
+ {
+ $this->totalItems = count($items);
+ return $this->totalItems;
+ }
+}
+