+/**
+ * @brief Updates the avatar links in a contact only if needed
+ *
+ * @param string $avatar Link to avatar picture
+ * @param int $uid User id of contact owner
+ * @param int $cid Contact id
+ * @param bool $force force picture update
+ *
+ * @return array Returns array of the different avatar sizes
+ */
+function update_contact_avatar($avatar,$uid,$cid, $force = false) {
+
+ $r = q("SELECT `avatar`, `photo`, `thumb`, `micro` FROM `contact` WHERE `id` = %d LIMIT 1", intval($cid));
+ if (!$r)
+ return false;
+ else
+ $data = array($r[0]["photo"], $r[0]["thumb"], $r[0]["micro"]);
+
+ if (($r[0]["avatar"] != $avatar) OR $force) {
+ $photos = import_profile_photo($avatar,$uid,$cid, true);