Esempio n. 1
0
 /**
  * Returns an instance of Sitengine_Env_Preferences
  *
  * Singleton pattern implementation
  *
  * @return Sitengine_Env_Preferences Provides a fluent interface
  */
 public static function getInstance()
 {
     if (self::$_instance === null) {
         self::$_instance = new self();
     }
     return self::$_instance;
 }