wordpress-カスタム投稿　rss

gistfile1.txt

//RSSを独自出力
function custom_post_rss_set( $query ) {
    if ( is_feed() ) {
        $post_type = $query->get( 'post_type' );
        if ( empty( $post_type ) ) {
            $query->set( 'post_type', array( 'post', 'blog' ) );
        }
        return $query;
    }
}
add_filter( 'pre_get_posts', 'custom_post_rss_set' );