Disable author archives in WordPress

// Redirect author page requests.
add_action( 'template_redirect', function() {
    global $wp_query;
    if ( isset( $_GET['author'] ) || is_author() ) {
        // Redirect to homepage, set status to 301 permanent redirect. 
        wp_redirect( get_option( 'home' ), 301 ); 
        exit();
    }
}

// Remove author links.
add_filter( 'the_author_posts_link', '__return_empty_string', PHP_INT_MAX );
add_filter( 'author_link', function() { 
    return '#';
});