X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=dav%2Fcommon%2Fdav_carddav_backend_std.inc.php;h=e257d156bdb4f448d06f2f1c72ad6ff3d56cfd31;hb=47396b1d284dffbb994233597cb9fca8a1e33be7;hp=c63a74f30aaeac0baf6cad3f6f4fd6fa47368f1f;hpb=915145fc2773bf7ac00ba58370de2c4abd4fc678;p=friendica-addons.git

diff --git a/dav/common/dav_carddav_backend_std.inc.php b/dav/common/dav_carddav_backend_std.inc.php
index c63a74f3..e257d156 100644
--- a/dav/common/dav_carddav_backend_std.inc.php
+++ b/dav/common/dav_carddav_backend_std.inc.php
@@ -14,6 +14,23 @@
 class Sabre_CardDAV_Backend_Std extends Sabre_CardDAV_Backend_Abstract
 {
 
+	/**
+	 * @var null|Sabre_CardDAV_Backend_Std
+	 */
+	private static $instance = null;
+
+	/**
+	 * @static
+	 * @return Sabre_CardDAV_Backend_Std
+	 */
+	public static function getInstance() {
+		if (self::$instance == null) {
+			self::$instance = new Sabre_CardDAV_Backend_Std();
+		}
+		return self::$instance;
+	}
+
+
 	/**
 	 * Sets up the object
 	 */