<?php
    function image_overall_rating($id)
    {
        $good_rating = mysqli_fetch_array(mysqli_query_logged("SELECT COUNT(vote) AS num FROM images_rating WHERE image_id = '" . $id . "' AND vote = '1'"));
        $bad_rating = mysqli_fetch_array(mysqli_query_logged("SELECT COUNT(vote) AS num FROM images_rating WHERE image_id = '" . $id . "' AND vote = '-1'"));
        return intval($good_rating['num']) >= intval($bad_rating['num']) ? (intval($good_rating['num']) == intval($bad_rating['num']) ? 'Neutral' : '<span class="notice_good">Good [+' . (intval($good_rating['num']) - intval($bad_rating['num'])) . ']</span>') : '<span class="notice_error">Bad [-' . (intval($bad_rating['num']) - intval($good_rating['num'])) . ']</span>'; 
    }
?>