original_string: public function insertCommentEntry($comment, $uri = null)
      {
          if ($uri instanceof Zend_Gdata_Photos_PhotoEntry) {
              $uri = $uri->getLink(self::FEED_LINK_PATH)->href;
          }
          if ($uri === null) {
              require_once 'Zend/Gdata/App/InvalidArgumentException.php';
              throw new Zend_Gdata_App_InvalidArgumentException(
                      'URI must not be null');
          }
          $newEntry = $this->insertEntry($comment, $uri, 'Zend_Gdata_Photos_CommentEntry');
          return $newEntry;
      }
code: public function insertCommentEntry($comment, $uri = null)
      {
          if ($uri instanceof Zend_Gdata_Photos_PhotoEntry) {
              $uri = $uri->getLink(self::FEED_LINK_PATH)->href;
          }
          if ($uri === null) {
              require_once 'Zend/Gdata/App/InvalidArgumentException.php';
              throw new Zend_Gdata_App_InvalidArgumentException(
                      'URI must not be null');
          }
          $newEntry = $this->insertEntry($comment, $uri, 'Zend_Gdata_Photos_CommentEntry');
          return $newEntry;
      }
code_tokens: public function insertCommentEntry ( $ comment , $ uri = null ) { if ( $ uri instanceof Zend_Gdata_Photos_PhotoEntry ) { $ uri = $ uri -> getLink ( self :: FEED_LINK_PATH ) -> href ; } if ( $ uri === null ) { require_once 'Zend/Gdata/App/InvalidArgumentException.php' ; throw new Zend_Gdata_App_InvalidArgumentException ( 'URI must not be null' ) ; } $ newEntry = $ this -> insertEntry ( $ comment , $ uri , 'Zend_Gdata_Photos_CommentEntry' ) ; return $ newEntry ; }
docstring: Create a new comment from a CommentEntry.
  
  @param Zend_Gdata_Photos_CommentEntry $comment The comment entry to
  insert.
  @param string $url The URI where the comment should be uploaded to.
  Alternatively, a PhotoEntry can be provided and
  the comment will be added to that photo.
  @return Zend_Gdata_Photos_CommentEntry The inserted comment entry
  as returned by the server.
  @throws Zend_Gdata_App_Exception
  @throws Zend_Gdata_App_HttpException
docstring_tokens: Create a new comment from a CommentEntry .