* action for when a post is saved publish_post*/
add_action( 'draft_to_publish', 'savePostMBC', 10, 1 );

function savePostMBC($post) {
    error_log('draft to publish');
    error_log('post id: '.$post->ID);
    add_post_meta( $post->ID, '_created', 'true', true );
    //error_log('post id: '.$post_id);
    //$feeds = get_fields($post_id); //get_field('feeds', $post_id); // way to get the

    //error_log('feed:');
    //error_log(print_r($feeds,true));

}

/* action for when a post is updated */
add_action( 'edit_post', 'updatePostMBC', 10, 2 );
//add_action( 'publish_post', 'updatePostMBC', 10, 2 );

function updatePostMBC($post_id, $post) {
    error_log('updating post');
// always runs
}