<?php
 
$activity_id = bp_activity_add ( array(
                'action' => $action,
                'content' => $activity_content,
                'primary_link' => $project_link,
                'component' => 'activity',
                'type' => 'share_photo',
                'user_id' => $bp->loggedin_user->id,
                'item_id' => $photo_id
                ));
?>