Google Analytics displaying data for only 1 user - php

Question

I am trying to create a page where data about a persons GA account will be displayed. Currently only 1 users data is displayed no matter who is logged in. I dont understand why this is the case because I am using a client ID to authenticate along with oauth2.0. I call getFirstprofileId, however no matter who is logged in to google, the result always returns the same id
info.php
<?php
// Load the Google API PHP Client Library.
require_once realpath(dirname(__FILE__).'/google-api-php-client/src/Google/autoload.php');
// Start a session to persist credentials.
session_start();
$client_id = 'XXXXXXXXX';
$client_secret = 'XXXXXXX';
$redirect_uri = 'http://XXXXX.info/info.php';
// Create the client object and set the authorization configuration
// from the client_secretes.json you downloaded from the developer console.
$client = new Google_Client();
$client->setClientId($client_id);
$client->setClientSecret($client_secret);
$client->setRedirectUri($redirect_uri);
$client->addScope(Google_Service_Analytics::ANALYTICS_READONLY);
$analytics = new Google_Service_Analytics($client);
/************************************************
If we're logging out we just need to clear our
local access token in this case
************************************************/
if (isset($_REQUEST['logout'])) {
unset($_SESSION['access_token']);
}
/************************************************
If we have a code back from the OAuth 2.0 flow,
we need to exchange that with the authenticate()
function. We store the resultant access token
bundle in the session, and redirect to ourself.
************************************************/
if (isset($_GET['code'])) {
$client->authenticate($_GET['code']);
$_SESSION['access_token'] = $client->getAccessToken();
$redirect = 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
header('Location: ' . filter_var($redirect, FILTER_SANITIZE_URL));
}
/************************************************
If we have an access token, we can make
requests, else we generate an authentication URL.
************************************************/
if (isset($_SESSION['access_token']) && $_SESSION['access_token']) {
$client->setAccessToken($_SESSION['access_token']);
} else {
$authUrl = $client->createAuthUrl();
}
function getFirstprofileId(&$analytics) {
// Get the user's first view (profile) ID.
// Get the list of accounts for the authorized user.
$accounts = $analytics->management_accounts->listManagementAccounts();
if (count($accounts->getItems()) > 0) {
$items = $accounts->getItems();
$firstAccountId = $items[0]->getId();
// Get the list of properties for the authorized user.
$properties = $analytics->management_webproperties
->listManagementWebproperties($firstAccountId);
if (count($properties->getItems()) > 0) {
$items = $properties->getItems();
$firstPropertyId = $items[0]->getId();
// Get the list of views (profiles) for the authorized user.
$profiles = $analytics->management_profiles
->listManagementProfiles($firstAccountId, $firstPropertyId);
if (count($profiles->getItems()) > 0) {
$items = $profiles->getItems();
// Return the first view (profile) ID.
return $items[0]->getId();
} else {
throw new Exception('No views (profiles) found for this user.');
}
} else {
throw new Exception('No properties found for this user.');
}
} else {
throw new Exception('No accounts found for this user.');
}
}
function getResults(&$analytics, $profileId) {
// Calls the Core Reporting API and queries for the number of sessions
// for the last seven days.
return $analytics->data_ga->get(
'ga:' . $profileId,
'7daysAgo',
'today',
'ga:sessions');
}
function printResults(&$results) {
// Parses the response from the Core Reporting API and prints
// the profile name and total sessions.
if (count($results->getRows()) > 0) {
// Get the profile name.
$profileName = $results->getProfileInfo()->getProfileName();
// Get the entry for the first entry in the first row.
$rows = $results->getRows();
$sessions = $rows[0][0];
// Print the results.
print "<p>First view (profile) found: $profileName</p>";
print "<p>Total sessions: $sessions</p>";
} else {
print "<p>No results found.</p>";
}
}
$profile = getFirstProfileId($analytics);
$results = getResults($analytics, $profile);
printResults($results)
?>