original_string: public function getPhotoFeed($location = null)
      {
          if ($location === null) {
              $uri = self::PICASA_BASE_FEED_URI . '/' .
                  self::DEFAULT_PROJECTION . '/' .
                  self::COMMUNITY_SEARCH_PATH;
          } else if ($location instanceof Zend_Gdata_Photos_UserQuery) {
              $location->setType('feed');
              $uri = $location->getQueryUrl();
          } else if ($location instanceof Zend_Gdata_Query) {
              $uri = $location->getQueryUrl();
          } else {
              $uri = $location;
          }
          return parent::getFeed($uri, 'Zend_Gdata_Photos_PhotoFeed');
      }
code: public function getPhotoFeed($location = null)
      {
          if ($location === null) {
              $uri = self::PICASA_BASE_FEED_URI . '/' .
                  self::DEFAULT_PROJECTION . '/' .
                  self::COMMUNITY_SEARCH_PATH;
          } else if ($location instanceof Zend_Gdata_Photos_UserQuery) {
              $location->setType('feed');
              $uri = $location->getQueryUrl();
          } else if ($location instanceof Zend_Gdata_Query) {
              $uri = $location->getQueryUrl();
          } else {
              $uri = $location;
          }
          return parent::getFeed($uri, 'Zend_Gdata_Photos_PhotoFeed');
      }
code_tokens: public function getPhotoFeed ( $ location = null ) { if ( $ location === null ) { $ uri = self :: PICASA_BASE_FEED_URI . '/' . self :: DEFAULT_PROJECTION . '/' . self :: COMMUNITY_SEARCH_PATH ; } else if ( $ location instanceof Zend_Gdata_Photos_UserQuery ) { $ location -> setType ( 'feed' ) ; $ uri = $ location -> getQueryUrl ( ) ; } else if ( $ location instanceof Zend_Gdata_Query ) { $ uri = $ location -> getQueryUrl ( ) ; } else { $ uri = $ location ; } return parent :: getFeed ( $ uri , 'Zend_Gdata_Photos_PhotoFeed' ) ; }
docstring: Retreive PhotoFeed object containing comments and tags associated
  with a given photo.
  
  @param mixed $location (optional) The location for the feed, as a URL
  or Query. If not specified, the community search feed will
  be returned instead.
  @return Zend_Gdata_Photos_PhotoFeed
  @throws Zend_Gdata_App_Exception
  @throws Zend_Gdata_App_HttpException
docstring_tokens: Retreive PhotoFeed object containing comments and tags associated with a given photo .