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<?php
/*
* Copyright 2013 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
include_once "templates/base.php";
echo pageHeader("Simple API Access");
/************************************************
Make a simple API request using a key. In this
example we're not making a request as a
specific user, but simply indicating that the
request comes from our application, and hence
should use our quota, which is higher than the
anonymous quota (which is limited per IP).
************************************************/
require_once realpath(dirname(__FILE__) . '/../src/Google/autoload.php');
/************************************************
We create the client and set the simple API
access key. If you comment out the call to
setDeveloperKey, the request may still succeed
using the anonymous quota.
************************************************/
$client = new Google_Client();
$client->setApplicationName("Client_Library_Examples");
$apiKey = "<YOUR_API_KEY>"; // Change this line.
// Warn if the API key isn't changed.
if (strpos($apiKey, "<") !== false) {
echo missingApiKeyWarning();
exit;
}
$client->setDeveloperKey($apiKey);
$service = new Google_Service_Books($client);
/************************************************
We make a call to our service, which will
normally map to the structure of the API.
In this case $service is Books API, the
resource is volumes, and the method is
listVolumes. We pass it a required parameters
(the query), and an array of named optional
parameters.
************************************************/
$optParams = array('filter' => 'free-ebooks');
$results = $service->volumes->listVolumes('Henry David Thoreau', $optParams);
/************************************************
This call returns a list of volumes, so we
can iterate over them as normal with any
array.
Some calls will return a single item which we
can immediately use. The individual responses
are typed as Google_Service_Books_Volume, but
can be treated as an array.
***********************************************/
echo "<h3>Results Of Call:</h3>";
foreach ($results as $item) {
echo $item['volumeInfo']['title'], "<br /> \n";
}
/************************************************
This is an example of deferring a call.
***********************************************/
$client->setDefer(true);
$optParams = array('filter' => 'free-ebooks');
$request = $service->volumes->listVolumes('Henry David Thoreau', $optParams);
$results = $client->execute($request);
echo "<h3>Results Of Deferred Call:</h3>";
foreach ($results as $item) {
echo $item['volumeInfo']['title'], "<br /> \n";
}
echo pageFooter(__FILE__);
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