Wydanie Botoscope v.1.0.5

add_filter('botoscope_get_product_meta', function ($meta_rows, $product_id) {
	$hertz_meta_id = 1;

	foreach ($meta_rows as $key => $row) {
		$row_meta_id = isset($row['meta_id']) ? $row['meta_id'] : $row['id'];

		if (intval($row_meta_id) === $hertz_meta_id) {
			$apprx_hertz = get_post_meta($product_id, 'apprx_hertz', true);
			if ($apprx_hertz !== '') {
				$meta_rows[$key]['value'] = floatval($apprx_hertz);
			}
		}
	}

	return $meta_rows;
}, 10, 2);

add_action('botoscope_product_meta_updated', function ($product_id, $meta_id, $field_key, $value) {
    if (intval($meta_id) === 1) {
        update_post_meta($product_id, 'apprx_hertz', $value);
    }
}, 10, 4);