/**
  * Get an instance of this class.
  *
  * @return GFEmma
  */
 public static function get_instance()
 {
     if (self::$_instance == null) {
         self::$_instance = new GFEmma();
     }
     return self::$_instance;
 }
Esempio n. 2
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function gf_emma()
{
    return GFEmma::get_instance();
}