function getYelpReviewScore()
{
    global $coll;
    $query = $coll->findOne(array('username' => $_SESSION["username"]));
    if (isset($query['yelp_business'])) {
        $result_yelp = makeYelpAPIRequestBusiness($query['yelp_business']['yelp_id']);
        if (isset($result_yelp['rating'])) {
            return $result_yelp['rating'];
        }
    }
}
<?php

include_once 'modules/config.php';
include_once 'modules/class.oauth.php';
if (!loggedIn()) {
    header('Location: login.php');
    exit;
} else {
    $query = $coll->findOne(array('username' => $_SESSION["username"]));
    if (isset($query['yelp_business'])) {
        foreach ($query['yelp_business'] as $obj_business) {
            $result_yelp = makeYelpAPIRequestBusiness($obj_business['yelp_id']);
            echo "Business: " . $result_yelp['name'] . '<br/>';
            echo "Yelp URL: " . $result_yelp['url'] . '<br/>';
            echo "Claimed: " . $result_yelp['is_claimed'] . '<br/>';
            echo "Rating: " . $result_yelp['rating'] . '<br/>';
            echo "Review Count: " . $result_yelp['review_count'] . '<br/>';
            echo "Most Recent Reviews: " . '<br/>';
            foreach ($result_yelp['reviews'] as $item) {
                echo date($date_format, $item['time_created']) . '---' . $item['user']['name'] . '---' . $item['rating'] . '---' . $item['excerpt'] . '<br/>';
            }
        }
    }
}