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In-Depth Information
protected function save_access_token( )
$token_uri = $this->get_access_token_uri($_GET['code']);
$response = $this->request_uri($token_uri);
// Parse the response
$params = array();
parse_str($response, $params);
if (isset($params['access_token'])) {
$_SESSION['access_token'] = $params['access_token'];
$this->access_token = $params['access_token'];
$this->logged_in = TRUE;
return TRUE;
return FALSE;
protected function request_uri( $uri )
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $uri);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 4);
return curl_exec($ch);
abstract protected function load_user_data();
abstract protected function load_user_profile_image();
First, let's look at request_uri() . this method accepts one parameter, $uri , which is the uRi to be requested. it
then initializes cURL , sets the uRi to request to $uri , tells cURL to return the output of the request, and sets the
timeout to an arbitrary, but reasonable, value of four seconds.
next, in save_access_token() , the token request uRi is loaded into $token_uri using get_access_token_
uri() and the value of code (that is presumed to have been passed in the query string). then the response from
$token_uri is stored in $response after loading it with request_uri() .
the value in $response , unless there has been an error, will contain the access token in query string format.
using the $params array and parse_str() , the query string is broken into an associative array, in which we
check for access_token . if it's set, it's stored in both the object's properties and the session, $logged_in is set to
TRUE , and the method returns TRUE ; if not, the method returns FALSE to indicate failure.
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