function getCitysearchReviewScore()
{
    global $coll;
    $query = $coll->findOne(array('username' => $_SESSION["username"]));
    if (isset($query['citysearch_business'])) {
        $result_citysearch = makeCitysearchAPIRequestBusiness($query['citysearch_business']['citysearch_id']);
        $total_rating = 0;
        foreach ($result_citysearch['results']['reviews'] as $item) {
            $total_rating += $item['review_rating'];
        }
        if ($total_rating == 0) {
            return null;
        } else {
            return $total_rating / count($result_citysearch['results']['reviews']);
        }
    }
}
<?php

include_once 'modules/config.php';
if (!loggedIn()) {
    header('Location: login.php');
    exit;
} else {
    $query = $coll->findOne(array('username' => $_SESSION["username"]));
    if (isset($query['citysearch_business'])) {
        foreach ($query['citysearch_business'] as $obj_business) {
            $result_citysearch = makeCitysearchAPIRequestBusiness($obj_business['citysearch_id']);
            $total_rating = 0;
            echo "Business: " . $obj_business['citysearch_name'] . '<br/>';
            foreach ($result_citysearch['results']['reviews'] as $item) {
                $total_rating += $item['review_rating'];
            }
            echo "Rating: " . $total_rating / count($result_citysearch['results']['reviews']) . '<br/>';
            echo "Review Count: " . count($result_citysearch['results']['reviews']) . '<br/>';
            echo "Most Recent Reviews: " . '<br/>';
            foreach ($result_citysearch['results']['reviews'] as $item) {
                $date = strtotime($item['review_date']);
                echo date($date_format, $date) . '---' . $item['review_author'] . '---' . $item['review_rating'] . '---' . $item['review_text'] . $item['review_url'] . '<br/>';
            }
        }
    }
}