/**
  * Creates a new instance of this class.
  *
  * This constructor might be used by the concrete subclasses. It sets all
  * attributes to their default values.
  *
  * @param int $id PHPDOC
  *
  * @return NelioABGlobalAlternativeExperiment a new instance of this class.
  *
  * @see self::clear
  *
  * @since PHPDOC
  */
 public function __construct($id)
 {
     parent::__construct($id);
 }
 public function __construct($id)
 {
     parent::__construct($id);
     $this->set_type(NelioABExperiment::NO_TYPE_SET);
     $this->set_post_type();
 }
 public function __construct($id)
 {
     parent::__construct($id);
     $this->set_type(NelioABExperiment::HEADLINE_ALT_EXP);
 }