function wp_image_add_srcset_and_sizes( $image, $image_meta, $attachment_id ) {
  // Ensure the image meta exists.
  if ( empty( $image_meta['sizes'] ) ) {
    return $image;
  }

  $image_src         = preg_match( '/src="([^"]+)"/', $image, $match_src ) ? $match_src[1] : '';
  list( $image_src ) = explode( '?', $image_src );

  // Return early if we couldn't get the image source.
  if ( ! $image_src ) {
    return $image;
  }

  // Bail early if an image has been inserted and later edited.
  if ( preg_match( '/-e[0-9]{13}/', $image_meta['file'], $img_edit_hash )
    && ! str_contains( wp_basename( $image_src ), $img_edit_hash[0] )
  ) {
    return $image;
  }

  $width  = preg_match( '/ width="([0-9]+)"/', $image, $match_width ) ? (int) $match_width[1] : 0;
  $height = preg_match( '/ height="([0-9]+)"/', $image, $match_height ) ? (int) $match_height[1] : 0;

  if ( $width && $height ) {
    $size_array = array( $width, $height );
  } else {
    $size_array = wp_image_src_get_dimensions( $image_src, $image_meta, $attachment_id );
    if ( ! $size_array ) {
      return $image;
    }
  }

  $srcset = wp_calculate_image_srcset( $size_array, $image_src, $image_meta, $attachment_id );

  if ( $srcset ) {
    // Check if there is already a 'sizes' attribute.
    $sizes = strpos( $image, ' sizes=' );

    if ( ! $sizes ) {
      $sizes = wp_calculate_image_sizes( $size_array, $image_src, $image_meta, $attachment_id );
    }
  }

  if ( $srcset && $sizes ) {
    // Format the 'srcset' and 'sizes' string and escape attributes.
    $attr = sprintf( ' srcset="%s"', esc_attr( $srcset ) );

    if ( is_string( $sizes ) ) {
      $attr .= sprintf( ' sizes="%s"', esc_attr( $sizes ) );
    }

    // Add the srcset and sizes attributes to the image markup.
    return preg_replace( '/<img ([^>]+?)[\/ ]*>/', '<img $1' . $attr . ' />', $image );
  }

  return $image;
}