Code:
<?php
function init_ClientAreaPage($vars) {
global $smarty;
$sql_product_rating = mysql_query("SELECT * FROM mod_products_reviews WHERE active= 1 AND productid=".$vars['productid']);
$votes = 0;
$rating = 0;
while ($productrating = mysql_fetch_array($sql_product_rating)) {
$votes ++;
$rating = $rating + $productrating["reviewrating"];
$avgrating = $rating / $votes;
}
$smarty->assign('revavg', $avgrating);
$smarty->assign('revrate', $rating);
add_hook("ClientAreaPage",1,"init_ClientAreaPage","");}
?>