exclude sponsored posts

/**
 * Fetch IDs of sponsored posts to exclude from main and feed queries.
 */
function get_sponsored_post_ids() {
    $args = array(
        'post_type'      => 'post',
        'posts_per_page' => -1,
        'fields'         => 'ids',
        'meta_query'     => array(
            array(
                'key'     => 'jnews_single_post',
                'value'   => '"sponsored_post";s:1:"1";',
                'compare' => 'LIKE',
            ),
        ),
    );

    $query = new WP_Query( $args );
    return $query->posts;
}
$exclude_posts = array();
if ( ! is_admin() ) {
    $exclude_posts = get_sponsored_post_ids();
}


/**
 * Exclude sponsored posts from main and category queries.
 */
function exclude_specific_posts( $query ) {
    if ( ! is_admin() && ( $query->is_front_page() || $query->is_category() ) ) {
        global $exclude_posts;
        $query->set( 'post__not_in', $exclude_posts );
    }
}
add_action( 'pre_get_posts', 'exclude_specific_posts' );

/**
 * Exclude sponsored posts from RSS feed.
 */
function exclude_specific_posts_from_feed( $query ) {
    if ( $query->is_feed() ) {
        global $exclude_posts;
        $query->set( 'post__not_in', $exclude_posts );
    }
}
add_action( 'pre_get_posts', 'exclude_specific_posts_from_feed' );

/**
 * Disable comments RSS feed.
 */
function disable_comments_rss() {
    global $wp_rewrite;
    $wp_rewrite->feeds = array_diff( $wp_rewrite->feeds, array( 'comments_rss2' ) );
}
add_action( 'init', 'disable_comments_rss', 1 );

/**
 * Redirect comments RSS feed to homepage.
 */
function redirect_comments_rss_to_homepage() {
    if ( is_comment_feed() ) {
        wp_redirect( home_url(), 301 );
        exit;
    }
}
add_action( 'template_redirect', 'redirect_comments_rss_to_homepage' );