public static function getInstance()
{
if (!strlen(self::INSTAGRAM_API_KEY)) {
throw new Exception(__CLASS__ . ' Error - Invalid Instagram API configuration');
}
if (!isset(self::$instance)) {
self::$instance = new Instagram(self::INSTAGRAM_API_KEY);
}
return self::$instance;
}
public static function getInstance()
{
$api_key = self::INSTAGRAM_API_KEY;
if (empty($api_key)) {
throw new Exception(__CLASS__ . ' Error - Undefined INSTAGRAM_API_KEY');
}
if (!isset(self::$instance)) {
self::$instance = new Instagram(self::INSTAGRAM_API_KEY);
}
return self::$instance;
}