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<?php
/**
* This sample creates and manages comments by:
*
* 1. Getting the top-level comments for a video via "commentThreads.list" method.
* 2. Replying to a comment thread via "comments.insert" method.
* 3. Getting comment replies via "comments.list" method.
* 4. Updating an existing comment via "comments.update" method.
* 5. Sets moderation status of an existing comment via "comments.setModerationStatus" method.
* 6. Marking a comment as spam via "comments.markAsSpam" method.
* 7. Deleting an existing comment via "comments.delete" method.
*
* @author Ibrahim Ulukaya
*/
/**
* Library Requirements
*
* 1. Install composer (https://getcomposer.org)
* 2. On the command line, change to this directory (api-samples/php)
* 3. Require the google/apiclient library
* $ composer require google/apiclient:~2.0
*/
if (!file_exists(__DIR__ . '/vendor/autoload.php')) {
throw new \Exception('please run "composer require google/apiclient:~2.0" in "' . __DIR__ .'"');
}
require_once __DIR__ . '/vendor/autoload.php';
session_start();
/*
* 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';
/* You can replace $VIDEO_ID with one of your videos' id, and text with the
* comment you want to be added.
*/
$VIDEO_ID = 'REPLACE_ME';
$TEXT = 'REPLACE_ME';
$client = new Google_Client();
$client->setClientId($OAUTH2_CLIENT_ID);
$client->setClientSecret($OAUTH2_CLIENT_SECRET);
/*
* This OAuth 2.0 access scope allows for full read/write access to the
* authenticated user's account and requires requests to use an SSL connection.
*/
$client->setScopes('https://www.googleapis.com/auth/youtube.force-ssl');
$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);
// Check if an auth token exists for the required scopes
$tokenSessionKey = 'token-' . $client->prepareScopes();
if (isset($_GET['code'])) {
if (strval($_SESSION['state']) !== strval($_GET['state'])) {
die('The session state did not match.');
}
$client->authenticate($_GET['code']);
$_SESSION[$tokenSessionKey] = $client->getAccessToken();
header('Location: ' . $redirect);
}
if (isset($_SESSION[$tokenSessionKey])) {
$client->setAccessToken($_SESSION[$tokenSessionKey]);
}
// Check to ensure that the access token was successfully acquired.
if ($client->getAccessToken()) {
try {
# All the available methods are used in sequence just for the sake of an example.
// Call the YouTube Data API's commentThreads.list method to retrieve video comment threads.
$videoCommentThreads = $youtube->commentThreads->listCommentThreads('snippet', array(
'videoId' => $VIDEO_ID,
'textFormat' => 'plainText',
));
$parentId = $videoCommentThreads[0]['id'];
# Create a comment snippet with text.
$commentSnippet = new Google_Service_YouTube_CommentSnippet();
$commentSnippet->setTextOriginal($TEXT);
$commentSnippet->setParentId($parentId);
# Create a comment with snippet.
$comment = new Google_Service_YouTube_Comment();
$comment->setSnippet($commentSnippet);
# Call the YouTube Data API's comments.insert method to reply to a comment.
# (If the intention is to create a new top-level comment, commentThreads.insert
# method should be used instead.)
$commentInsertResponse = $youtube->comments->insert('snippet', $comment);
// Call the YouTube Data API's comments.list method to retrieve existing comment replies.
$videoComments = $youtube->comments->listComments('snippet', array(
'parentId' => $parentId,
'textFormat' => 'plainText',
));
if (empty($videoComments)) {
$htmlBody .= "<h3>Can\'t get video comments.</h3>";
} else {
$videoComments[0]['snippet']['textOriginal'] = 'updated';
// Call the YouTube Data API's comments.update method to update an existing comment.
$videoCommentUpdateResponse = $youtube->comments->update('snippet', $videoComments[0]);
// Call the YouTube Data API's comments.setModerationStatus method to set moderation
// status of an existing comment.
$youtube->comments->setModerationStatus($videoComments[0]['id'], 'published');
// Call the YouTube Data API's comments.markAsSpam method to mark an existing comment as spam.
$youtube->comments->markAsSpam($videoComments[0]['id']);
// Call the YouTube Data API's comments.delete method to delete an existing comment.
$youtube->comments->delete($videoComments[0]['id']);
}
$htmlBody .= "<h3>Video Comment Replies</h3><ul>";
foreach ($videoComments as $comment) {
$htmlBody .= sprintf('<li>%s: "%s"</li>', $comment['snippet']['authorDisplayName'],
$comment['snippet']['textOriginal']);
}
$htmlBody .= '</ul>';
$htmlBody .= "<h2>Replied to a comment for</h2><ul>";
$htmlBody .= sprintf('<li>%s: "%s"</li>',
$commentInsertResponse['snippet']['authorDisplayName'],
$commentInsertResponse['snippet']['textDisplay']);
$htmlBody .= '</ul>';
$htmlBody .= "<h2>Updated comment for</h2><ul>";
$htmlBody .= sprintf('<li>%s: "%s"</li>',
$videoCommentUpdateResponse['snippet']['authorDisplayName'],
$videoCommentUpdateResponse['snippet']['textDisplay']);
$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()));
}
$_SESSION[$tokenSessionKey] = $client->getAccessToken();
} elseif ($OAUTH2_CLIENT_ID == 'REPLACE_ME') {
$htmlBody = <<<END
<h3>Client Credentials Required</h3>
<p>
You need to set <code>\$OAUTH2_CLIENT_ID</code> and
<code>\$OAUTH2_CLIENT_ID</code> before proceeding.
<p>
END;
} 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>Insert, list, update, moderate, mark and delete comments.</title>
</head>
<body>
<?=$htmlBody?>
</body>
</html>