Propagate post recording to activity from sub site to main site

propagate-post-activity-to-main-site.php

add_action('save_post','bpdev_record_post_on_main_site',20,2);
function bpdev_record_post_on_main_site($post_id, $post, $user_id = 0 ) {
	global $bp, $wpdb;

	$post_id = (int)$post_id;
	$blog_id = (int)$wpdb->blogid;
        if($blog_id==1)
            return;//it is recording main site and we don't have to worry about it
        
            switch_to_blog(1);//switch to main site
                bp_blogs_record_post($post_id,$post,$user_id);
            restore_current_blog();//restore current blog
    
}