sendHeaders() protected method Sends the response headers

$content public property The response content. When

xSendFile() public method Sends existing file to a browser

$isNotFound public read-only property Whether this response

$isSuccessful public read-only property Whether this

getIsInvalid() public method

getIsClientError() public method

$format public property The response format. This determines how

$isSent public property Whether the response has been sent. If

getIsServerError() public method