log('test class, retrive content'); return array('hello', 'world'); } protected function processOneContent(appbox $appbox, Array $row) { $this->log(sprintf("test class, process content : `%s`", implode(' ', $row))); return $this; } protected function postProcessOneContent(appbox $appbox, Array $row) { $this->log(sprintf("test class, post process content, they were %s", count($row))); return $this; } }