เริ่มต้นเขียน Facebook app จากต้นฉบับ

หน้าแรก facebook app เริ่มต้นเขียน Facebook app จากต้นฉบับ

This method can call a Facebook Graph API method, an FQL query, or a (DEPRECATED) REST API method, depending on the parameters passed in.

To call a Graph API method, pass in the path as the first parameter; to run FQL queries or REST APIs, pass in the array of parameters required for the API call, as described below.

Examples

Get the User's profile via the Graph API and print their name

Code

Get the User's name using FQL and print it

Code

<?
// Remember to copy files from the SDK's src/ directory to a
// directory in your application on the server, such as php-sdk/
require_once('php-sdk/facebook.php');

$config = array(
'appId' => 'YOUR_APP_ID',
'secret' => 'YOUR_APP_SECRET',
);

$facebook = new Facebook($config);
$user_id = $facebook->getUser();
?>
<html>
<head></head>
<body>

<?
if($user_id) {

// We have a user ID, so probably a logged in user.
// If not, we'll get an exception, which we handle below.
try {
$fql = 'SELECT name from user where uid = ' . $user_id;
$ret_obj = $facebook->api(array(
'method' => 'fql.query',
'query' => $fql,
));

// FQL queries return the results in an array, so we have
// to get the user's name from the first element in the array.
echo '<pre>Name: ' . $ret_obj[0]['name'] . '</pre>';

} catch(FacebookApiException $e) {
// If the user is logged out, you can have a
// user ID even though the access token is invalid.
// In this case, we'll get an exception, so we'll
// just ask the user to login again here.
$login_url = $facebook->getLoginUrl();
echo 'Please <a href="' . $login_url . '">login.</a>';
error_log($e->getType());
error_log($e->getMessage());
}
} else {

// No user, so print a link for the user to login
$login_url = $facebook->getLoginUrl();
echo 'Please <a href="' . $login_url . '">login.</a>';

}

?>

</body>
</html>

Post a link to a User's wall using the Graph API

Code

<?
// Remember to copy files from the SDK's src/ directory to a
// directory in your application on the server, such as php-sdk/
require_once('php-sdk/facebook.php');

$config = array(
'appId' => 'YOUR_APP_ID',
'secret' => 'YOUR_APP_SECRET',
);

$facebook = new Facebook($config);
$user_id = $facebook->getUser();
?>
<html>
<head></head>
<body>

<?
if($user_id) {

// We have a user ID, so probably a logged in user.
// If not, we'll get an exception, which we handle below.
try {
$ret_obj = $facebook->api('/me/feed', 'POST',
array(
'link' => 'www.example.com',
'message' => 'Posting with the PHP SDK!'
));
echo '<pre>Post ID: ' . $ret_obj['id'] . '</pre>';

} catch(FacebookApiException $e) {
// If the user is logged out, you can have a
// user ID even though the access token is invalid.
// In this case, we'll get an exception, so we'll
// just ask the user to login again here.
$login_url = $facebook->getLoginUrl( array(
'scope' => 'publish_stream'
));
echo 'Please <a href="' . $login_url . '">login.</a>';
error_log($e->getType());
error_log($e->getMessage());
}
// Give the user a logout link
echo '<br /><a href="' . $facebook->getLogoutUrl() . '">logout</a>';
} else {

// No user, so print a link for the user to login
// To post to a user's wall, we need publish_stream permission
// We'll use the current URL as the redirect_uri, so we don't
// need to specify it here.
$login_url = $facebook->getLoginUrl( array( 'scope' => 'publish_stream' ) );
echo 'Please <a href="' . $login_url . '">login.</a>';

}

?>

</body>
</html>

Upload a photo to a User's profile

Code

<?
// Remember to copy files from the SDK's src/ directory to a
// directory in your application on the server, such as php-sdk/
require_once('php-sdk/facebook.php');

$config = array(
'appId' => 'YOUR_APP_ID',
'secret' => 'YOUR_APP_SECRET',
'fileUpload' => true,
);

$facebook = new Facebook($config);
$user_id = $facebook->getUser();

$photo = './mypic.png'; // Path to the photo on the local filesystem
$message = 'Photo upload via the PHP SDK!';
?>
<html>
<head></head>
<body>

<?
if($user_id) {

// We have a user ID, so probably a logged in user.
// If not, we'll get an exception, which we handle below.
try {

// Upload to a user's profile. The photo will be in the
// first album in the profile. You can also upload to
// a specific album by using /ALBUM_ID as the path
$ret_obj = $facebook->api('/me/photos', 'POST', array(
'source' => '@' . $photo,
'message' => $message,
)
);
echo '<pre>Photo ID: ' . $ret_obj['id'] . '</pre>';

} catch(FacebookApiException $e) {
// If the user is logged out, you can have a
// user ID even though the access token is invalid.
// In this case, we'll get an exception, so we'll
// just ask the user to login again here.
$login_url = $facebook->getLoginUrl( array(
'scope' => 'photo_upload'
));
echo 'Please <a href="' . $login_url . '">login.</a>';
error_log($e->getType());
error_log($e->getMessage());
}

echo '<br /><a href="' . $facebook->getLogoutUrl() . '">logout</a>';
} else {

// No user, print a link for the user to login
// To upload a photo to a user's wall, we need photo_upload permission
// We'll use the current URL as the redirect_uri, so we don't
// need to specify it here.
$login_url = $facebook->getLoginUrl( array( 'scope' => 'photo_upload') );
echo 'Please <a href="' . $login_url . '">login.</a>';

}

?>

</body>
</html>

Download sdk-php ได้ที่ https://github.com/facebook/facebook-php-sdk
อ้างอิง: https://developers.facebook.com/docs/reference/php/facebook-api/
การตั้งค่า Facebook app: http://j.mp/TYy5OZ

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