function wp_star_rating( $args = array() ) {
  $defaults    = array(
    'rating' => 0,
    'type'   => 'rating',
    'number' => 0,
    'echo'   => true,
  );
  $parsed_args = wp_parse_args( $args, $defaults );

  // Non-English decimal places when the $rating is coming from a string.
  $rating = (float) str_replace( ',', '.', $parsed_args['rating'] );

  // Convert percentage to star rating, 0..5 in .5 increments.
  if ( 'percent' === $parsed_args['type'] ) {
    $rating = round( $rating / 10, 0 ) / 2;
  }

  // Calculate the number of each type of star needed.
  $full_stars  = floor( $rating );
  $half_stars  = ceil( $rating - $full_stars );
  $empty_stars = 5 - $full_stars - $half_stars;

  if ( $parsed_args['number'] ) {
    /* translators: Hidden accessibility text. 1: The rating, 2: The number of ratings. */
    $format = _n( '%1$s rating based on %2$s rating', '%1$s rating based on %2$s ratings', $parsed_args['number'] );
    $title  = sprintf( $format, number_format_i18n( $rating, 1 ), number_format_i18n( $parsed_args['number'] ) );
  } else {
    /* translators: Hidden accessibility text. %s: The rating. */
    $title = sprintf( __( '%s rating' ), number_format_i18n( $rating, 1 ) );
  }

  $output  = '<div class="star-rating">';
  $output .= '<span class="screen-reader-text">' . $title . '</span>';
  $output .= str_repeat( '<div class="star star-full" aria-hidden="true"></div>', $full_stars );
  $output .= str_repeat( '<div class="star star-half" aria-hidden="true"></div>', $half_stars );
  $output .= str_repeat( '<div class="star star-empty" aria-hidden="true"></div>', $empty_stars );
  $output .= '</div>';

  if ( $parsed_args['echo'] ) {
    echo $output;
  }

  return $output;
}