public function prependEmpty($text=NULL) {
		
		$t = Translator::getInstance();
		
		$option			= new \stdClass();
		$option->value	= '';
		$option->text	= is_null($text) ? $t->get('SELECT_NULL_VALUE') : $text;

		$this->list = array_merge(array($option), $this->list);
		
		return $this;
		
	}
public function prependEmpty($text=NULL) {
		
		$t = Translator::getInstance();
		
		$option			= new \stdClass();
		$option->value	= '';
		$option->text	= is_null($text) ? $t->get('SELECT_NULL_VALUE') : $text;

		$this->list = array_merge(array($option), $this->list);
		
		return $this;
		
	}
public function prependEmpty ( $ text = NULL ) { $ t = Translator :: getInstance ( ) ; $ option = new \ stdClass ( ) ; $ option -> value = '' ; $ option -> text = is_null ( $ text ) ? $ t -> get ( 'SELECT_NULL_VALUE' ) : $ text ; $ this -> list = array_merge ( array ( $ option ) , $ this -> list ) ; return $ this ; }
Adds a null value as first item. Chainable method.

@param	string	Option text for first null value.

@return	FormControlSelect
Adds a null value as first item . Chainable method .