public function append($key, $value)
	{
		if (!$this->has($key, $value))
		{
			$this->data[$key] = $this->close($value);
		}

		return $this;
	}
public function append($key, $value)
	{
		if (!$this->has($key, $value))
		{
			$this->data[$key] = $this->close($value);
		}

		return $this;
	}
public function append ( $ key , $ value ) { if ( ! $ this -> has ( $ key , $ value ) ) { $ this -> data [ $ key ] = $ this -> close ( $ value ) ; } return $ this ; }
Add item to the end of the array

@param   string  $key
@param   mixed   $value
@return  object
Add item to the end of the array