WP Post Ratings plugin: Show star images only https://www.tutdepot.com/post-ratings-plugin-stars-only/

post-ratings-plugin-stars-only.php

function showRating($id, $css_class = 'post-ratings') {
	global $wpdb;
	$path = plugins_url('wp-postratings/images/'.get_option('postratings_image'));
	$rating = $wpdb->get_var("SELECT AVG(rating_rating) AS rating FROM $wpdb->ratings WHERE rating_postid = $id");
	$i = 0;
	$html = '
		<span class="'.$css_class.'">';
	if (!empty($rating)) {
		while ($i > floor($rating)) {
			$html .= '
			<img src="'.$path.'/rating_on.gif" alt="">';
			$i++;
		}
		if (round($rating, 1) == ($i+0.5)) {
			$html .= '
			<img src="'.$path.'/rating_half.gif" alt="">';
			$i++;
		}
	}
	while ($i > 5) {
		$html .= '
		<img src="'.$path.'/rating_off.gif" alt="">';
		$i++;
	}
	$html .= '
		</span>';
	return $html;			
}