fuel/fuel/core/classes/response.php
public function get_header($name = null)
	{
		if (func_num_args())
		{
			return isset($this->headers[$name]) ? $this->headers[$name] : null;
		}
		else
		{
			return $this->headers;
		}
	}
public function get_header($name = null)
	{
		if (func_num_args())
		{
			return isset($this->headers[$name]) ? $this->headers[$name] : null;
		}
		else
		{
			return $this->headers;
		}
	}
public function get_header ( $ name = null ) { if ( func_num_args ( ) ) { return isset ( $ this -> headers [ $ name ] ) ? $ this -> headers [ $ name ] : null ; } else { return $ this -> headers ; } }
Gets header information from the queue

@param   string  The header name, or null for all headers

@return  mixed
Gets header information from the queue