I tried things like $meta_rwp_user_score = (number_format_i18n($meta_rwp_user_score, 2)); , but this is not working. Where do I use that? <?php $meta_rwp_user_score['meta_rwp_user_score'] = get_post_meta(($anbieter_id),'rwp_user_score',true); foreach ( $meta_rwp_user_score as $key => $value ) : if ( 'revision' === $post->post_type ) { ...