defender::unset_field_session PHP Method

    public static function unset_field_session()
    {
        unset($_SESSION['form_fields']);
    }

function showratings($rating_type, $rating_item_id, $rating_link)
{
    global $locale, $userdata;
    $settings = \fusion_get_settings();
    if ($settings['ratings_enabled'] == "1") {
        if (iMEMBER) {
            $d_rating = dbarray(dbquery("SELECT rating_vote,rating_datestamp FROM " . DB_RATINGS . " WHERE rating_item_id='" . $rating_item_id . "' AND rating_type='" . $rating_type . "' AND rating_user='******'user_id'] . "'"));
            if (isset($_POST['post_rating'])) {
                // Rate
                if (isnum($_POST['rating']) && $_POST['rating'] > 0 && $_POST['rating'] < 6 && !isset($d_rating['rating_vote'])) {
                    $result = dbquery("INSERT INTO " . DB_RATINGS . " (rating_item_id, rating_type, rating_user, rating_vote, rating_datestamp, rating_ip, rating_ip_type) VALUES ('{$rating_item_id}', '{$rating_type}', '" . $userdata['user_id'] . "', '" . $_POST['rating'] . "', '" . time() . "', '" . USER_IP . "', '" . USER_IP_TYPE . "')");
                    if ($result) {
                        defender::unset_field_session();
                    }
                }
                redirect($rating_link);
            } elseif (isset($_POST['remove_rating'])) {
                // Unrate
                $result = dbquery("DELETE FROM " . DB_RATINGS . " WHERE rating_item_id='{$rating_item_id}' AND rating_type='{$rating_type}' AND rating_user='******'user_id'] . "'");
                if ($result) {
                    defender::unset_field_session();
                }
                redirect($rating_link);
            }
        }
        $ratings = array(5 => $locale['r120'], 4 => $locale['r121'], 3 => $locale['r122'], 2 => $locale['r123'], 1 => $locale['r124']);
        if (!iMEMBER) {
            $message = str_replace("[RATING_ACTION]", "<a href='" . BASEDIR . "login.php'>" . $locale['login'] . "</a>", $locale['r104']);
            if (fusion_get_settings("enable_registration") == TRUE) {
                $message = str_replace("[RATING_ACTION]", "<a href='" . BASEDIR . "login.php'>" . $locale['login'] . "</a> " . $locale['or'] . " <a href='" . BASEDIR . "register.php'>" . $locale['register'] . "</a>", $locale['r104']);
            }
            echo "<div class='text-center'>" . $message . "</div>\n";
        } elseif (isset($d_rating['rating_vote'])) {
            echo "<div class='display-block'>\n";
            echo openform('removerating', 'post', $rating_link, array('class' => 'display-block text-center'));
            echo sprintf($locale['r105'], $ratings[$d_rating['rating_vote']], showdate("longdate", $d_rating['rating_datestamp'])) . "<br /><br />\n";
            echo form_button('remove_rating', $locale['r102'], $locale['r102'], array('class' => 'btn-default', 'icon' => 'fa fa-times m-r-10'));
            echo closeform();
            echo "</div>\n";
        } else {
            echo "<div class='display-block'>\n";
            echo openform('postrating', 'post', $rating_link, array('max_tokens' => 1, 'notice' => 0, 'class' => 'm-b-20 text-center'));
            echo form_select('rating', $locale['r106'], '', array('options' => $ratings, 'class' => 'display-block text-center'));
            echo form_button('post_rating', $locale['r103'], $locale['r103'], array('class' => 'btn-primary btn-sm', 'icon' => 'fa fa-thumbs-up m-r-10'));
            echo closeform();
            echo "</div>\n";
        }
        $rating_votes = dbarray(dbquery("\n\t\tSELECT\n\t\tSUM(IF(rating_vote='5', 1, 0)) as r120,\n\t\tSUM(IF(rating_vote='4', 1, 0)) as r121,\n\t\tSUM(IF(rating_vote='3', 1, 0)) as r122,\n\t\tSUM(IF(rating_vote='2', 1, 0)) as r123,\n\t\tSUM(IF(rating_vote='1', 1, 0)) as r124\n\t\tFROM " . DB_RATINGS . " WHERE rating_type='" . $rating_type . "' and rating_item_id='" . intval($rating_item_id) . "'\n\t\t"));
        if (!empty($rating_votes)) {
            echo "<div id='ratings' class='rating_container'>\n";
            foreach ($rating_votes as $key => $num) {
                echo progress_bar($num, $locale[$key], FALSE, '10px', TRUE, FALSE);
            }
            echo "</div>\n";
        } else {
            echo "<div class='text-center'>" . $locale['r101'] . "</div>\n";
        }
    }
}