symfony-ShowPictureInBrowser

<?php
class dummyActions extends sfActions
{
  /**
   * remember: never use readfile function here! it sends headers to browser, so those sent by you are useles
   * also don't echo file and then return sfView::NONE - echoing should be done in views!
   *
   * this method is environment independent, you can use it in _prod, _dev etc,
   * alsoWeb Debug Toolbar can be turned on
   */
  public function executeShowPictureInBrowser(sfWebRequest $request)
  {
    $filepath = '/tmp/photo.jpg';
    $this->getResponse()->setContentType('image/jpeg');    
    return $this->renderText(file_get_contents($filepath));
  }
}