google api contacts php simplexml - php

Question

I am looking to fetch the contact's first name from google contacts without any luck. However, I am able to extract the email address no problem. Can someone show me what i am doing wrong?
$xmlresponse=file_get_contents('https://www.google.com/m8/feeds/contacts/default/full?oauth_token='.$accesstoken);
//reading xml using SimpleXML
$xml= new SimpleXMLElement($xmlresponse);
$xml->registerXPathNamespace('gd', 'http://schemas.google.com/g/2005');
$nameFirst = $xml->xpath('//gd:givenName'); // I have also tried //gd:name
$result = $xml->xpath('//gd:email');
foreach($nameFirst as $nameF){
echo $nameF->getName();
}
foreach ($result as $title) {
echo $title->attributes()->address . "<br>";
}
?>

Answer 1

The XML I got from the Google Contacts API was mixed, the name was the node value of a normal XML node "title" but the email was a parameter in a gdata tag gd:email. Given the possibility of multiple email addresses I used the following to extract an array of single name/email pairs:
$req = new Google_HttpRequest("https://www.google.com/m8/feeds/contacts/default/property-email/");
$val = $this->client->getIo()->authenticatedRequest($req);
$xml = simplexml_load_string($val->getResponseBody());
$xml->registerXPathNamespace('gd', 'http://schemas.google.com/g/2005');
$output_array = array();
foreach ($xml->entry as $entry) {
foreach ($entry->xpath('gd:email') as $email) {
$output_array[] = array((string)$entry->title, (string)$email->attributes()->address);
}
}

Answer 2

The example above (from google client api examples) does not work for emails. I tried a lot and for me the response contains other information but not emails.
I found a google group's discussion where they talk about that, seems to be a bug where simplexml doesn't see some gd: information.
I used simpleXMLElements and xpath as Claude did, but also for me I can get only emails.

Answer 3

There's a PHP client-side library that Google supplies for interacting with the various services it offers. Contacts is one of them.
The example code for contacts service uses the trick of json encoding and decoding the result:
require_once '../../src/apiClient.php';
session_start();
$client = new apiClient();
$client->setApplicationName('Google Contacts PHP Sample');
$client->setScopes("http://www.google.com/m8/feeds/");
// Documentation: http://code.google.com/apis/gdata/docs/2.0/basics.html
// Visit https://code.google.com/apis/console?api=contacts to generate your
// oauth2_client_id, oauth2_client_secret, and register your oauth2_redirect_uri.
// $client->setClientId('insert_your_oauth2_client_id');
// $client->setClientSecret('insert_your_oauth2_client_secret');
// $client->setRedirectUri('insert_your_redirect_uri');
// $client->setDeveloperKey('insert_your_developer_key');
if (isset($_GET['code'])) {
$client->authenticate();
$_SESSION['token'] = $client->getAccessToken();
$redirect = 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
header('Location: ' . filter_var($redirect, FILTER_SANITIZE_URL));
}
if (isset($_SESSION['token'])) {
$client->setAccessToken($_SESSION['token']);
}
if (isset($_REQUEST['logout'])) {
unset($_SESSION['token']);
$client->revokeToken();
}
if ($client->getAccessToken()) {
$req = new apiHttpRequest("https://www.google.com/m8/feeds/contacts/default/full");
$val = $client->getIo()->authenticatedRequest($req);
// The contacts api only returns XML responses.
$response = json_encode(simplexml_load_string($val->getResponseBody()));
print "<pre>" . print_r(json_decode($response, true), true) . "</pre>";
// The access token may have been updated lazily.
$_SESSION['token'] = $client->getAccessToken();
} else {
$auth = $client->createAuthUrl();
}
if (isset($auth)) {
print "<a class=login href='$auth'>Connect Me!</a>";
} else {
print "<a class=logout href='?logout'>Logout</a>";
}