/**
* @param string $clientId
* @param string $clientSecret
* @param string $redirectUrl
* @param string $state
*
* @return Bitly
*/
public static function authorize($clientId, $clientSecret, $redirectUrl, $state = null)
{
if (isset($_GET['code']) && $_GET['code']) {
$instance = new self();
$instance->_getAccessTokenCode($clientId, $clientSecret, $_GET['code'], $redirectUrl);
return $instance;
} else {
$data = ['client_id' => $clientId, 'redirect_uri' => $redirectUrl, 'state' => $state];
$url = 'https://bitly.com/oauth/authorize?' . http_build_query($data);
header('Location: ' . $url);
exit;
}
}
