Use the Netflix scale in the GravityView Ratings & Reviews Extension

gv-ratings-reviews-netflix-scale.php

<?php 

/**
 * Change the titles displayed when hovering over a star to use the Netflix scale
 * @param  array $stars Star titles
 * @return array        Modified titles
 */
function gv_ratings_reviews_use_netflix_scale( $stars ) {
	
	// Make sure to keep the array key numbers intact; they map with the star rating.
	// You can also set an empty string to disable the title attribute from appearing.
	$stars = array(
		1 => 'Hated it',
		2 => 'Didn\'t like it',
		3 => 'It was okay',
		4 => 'Liked it',
		5 => 'Loved it',
	);

	return $stars;
}

add_filter('gv_ratings_reviews_star_rating_titles', 'gv_ratings_reviews_use_netflix_scale');