add_action( 'template_redirect', 'redirect_to_specific_page' );
function redirect_to_specific_page() {
global $post;
$current_user = $post->post_author;
if(!empty($current_user)){
$user_post_count = (int) count_user_posts( $current_user );
if ( is_page('butiktest') && $user_post_count == 1 ) {
wp_redirect( 'enhytte', 301 );
exit;
}
}
}
authorized user: $current_user = wp_get_current_user();