<?php

/**

* This sample creates a channel section by :

*

* 1. Getting the active user's channel branding settings via "channels.list" method.

* 2. Updating the active user's channel to show "browse view" via "channel.update" method.

* 3. Creating a channel section in the active user's channel via "channelSections->insert" method.

*

* @author Ibrahim Ulukaya

*/

// Call set_include_path() as needed to point to your client library.

require_once 'Google/Client.php';

require_once 'Google/Service/YouTube.php';

session_start();

// Valid section types.

$SECTION_TYPES = array("allPlaylists", "completedEvents", "likedPlaylists",

"likes", "liveEvents", "multipleChannels", "multiplePlaylists",

"popularUploads", "recentActivity", "recentPosts", "recentUploads",

"singlePlaylist", "upcomingEvents");

// Valid section styles.

$SECTION_STYLES = array("horizontalRow", "verticalList");

// Replace with section title of your choice.

$SECTION_TITLE = 'YOUR_SECTION_TITLE';

// The section's position on the channel page. This property uses a 0-based index.

// If you do not specify a value for this property when inserting a channel section,

// the default behavior is to display the new section last.

$SECTION_POSITION = 0;

// A list of playlist IDs that will be featured in a channel section.

$PLAYLISTS = '';

// A list of channel IDs that will be featured in a channel section.

$CHANNELS = '';

/*

* You can acquire an OAuth 2.0 client ID and client secret from the

* {{ Google Cloud Console }} <{{ https://cloud.google.com/console }}>

* For more information about using OAuth 2.0 to access Google APIs, please see:

* <https://developers.google.com/youtube/v3/guides/authentication>

* Please ensure that you have enabled the YouTube Data API for your project.

*/

$OAUTH2_CLIENT_ID = 'REPLACE_ME';

$OAUTH2_CLIENT_SECRET = 'REPLACE_ME';

$client = new Google_Client();

$client->setClientId($OAUTH2_CLIENT_ID);

$client->setClientSecret($OAUTH2_CLIENT_SECRET);

$client->setScopes('https://www.googleapis.com/auth/youtube');

$redirect = filter_var('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'],

FILTER_SANITIZE_URL);

$client->setRedirectUri($redirect);

// Define an object that will be used to make all API requests.

$youtube = new Google_Service_YouTube($client);

if (isset($_GET['code'])) {

if (strval($_SESSION['state']) !== strval($_GET['state'])) {

die('The session state did not match.');

}

$client->authenticate($_GET['code']);

$_SESSION['token'] = $client->getAccessToken();

header('Location: ' . $redirect);

}

if (isset($_SESSION['token'])) {

$client->setAccessToken($_SESSION['token']);

}

// Check to ensure that the access token was successfully acquired.

if ($client->getAccessToken()) {

try {

/*

* Before channel shelves will appear on your channel's web page, browse

* view needs to be enabled. If you know that your channel already has

* it enabled, or if you want to add a number of sections before enabling it,

* you can skip the call to enable_browse_view().

*/

// Call the YouTube Data API's channels.list method to retrieve your channel.

$listResponse = $youtube->channels->listChannels('brandingSettings', array('mine' => true));

$channel = $listResponse['items'][0];

$channel['brandingSettings']['channel']['showBrowseView'] = true;

// Call the YouTube Data API's channels.update method to update your channel.

$updateResponse = $youtube->channels->update('brandingSettings', $channel);

// Create a channel section snippet object with type, style, title and position.

$channelSectionSnippet = new Google_Service_YouTube_ChannelSectionSnippet();

$channelSectionSnippet->setType($SECTION_TYPES[0]);

$channelSectionSnippet->setStyle($SECTION_STYLES[0]);

$channelSectionSnippet->setTitle($SECTION_TITLE);

$channelSectionSnippet->setPosition($SECTION_POSITION);

// Create a channel section contentDetails object with channels and playlists.

$channelSectionContentDetails = new Google_Service_YouTube_ChannelSectionContentDetails();

$channelSectionContentDetails->setChannels($CHANNELS);

$channelSectionContentDetails->setPlaylists($PLAYLISTS);

// Create a channel section with snippet and contentDetails.

$channelSection = new Google_Service_YouTube_ChannelSection();

$channelSection->setSnippet($channelSectionSnippet);

$channelSection->setContentDetails($channelSectionContentDetails);

// Call the YouTube Data API's channelSections.insert method to create a channel section.

$insertResponse = $youtube->channelSections->insert('snippet,contentDetails', $channelSection);

$htmlBody .= "<h2>Section Created</h2><ul>";

$htmlBody .= sprintf('<li>%s "%s"</li>',

$insertResponse['id'], $insertResponse['snippet']['title']);

$htmlBody .= '</ul>';

$htmlBody .= "<h3>with channels</h3><ul>";

foreach ($insertResponse['contentDetails']['channels'] as $channel) {

$channels .= sprintf('<li>%s</li>', $channel);

}

$htmlBody .= '</ul>';

$htmlBody .= "<h3>with playlists</h3><ul>";

foreach ($insertResponse['contentDetails']['playlists'] as $playlist) {

$channels .= sprintf('<li>%s</li>', $playlist);

}

$htmlBody .= '</ul>';

} catch (Google_Service_Exception $e) {

$htmlBody .= sprintf('<p>A service error occurred: <code>%s</code></p>',

htmlspecialchars($e->getMessage()));

} catch (Google_Exception $e) {

$htmlBody .= sprintf('<p>An client error occurred: <code>%s</code></p>',

htmlspecialchars($e->getMessage()));

}

$_SESSION['token'] = $client->getAccessToken();

} else {

// If the user hasn't authorized the app, initiate the OAuth flow

$state = mt_rand();

$client->setState($state);

$_SESSION['state'] = $state;

$authUrl = $client->createAuthUrl();

$htmlBody = <<<END

<h3>Authorization Required</h3>

<p>You need to <a href="$authUrl">authorize access</a> before proceeding.<p>

END;

}

?>

<!doctype html>

<html>

<head>

<title>Section Created</title>

</head>

<body>

<?=$htmlBody?>

</body>

</html>