CI_Profiler::_compile_memory_usage PHP 메소드

    protected function _compile_memory_usage()
    {
        if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '') {
            $output = number_format($usage) . ' bytes';
        } else {
            $output = $this->CI->lang->line('profiler_no_memory_usage');
        }
        return $output;
    }

 protected function _compile_memory_usage()
 {
     return $this->get_file_size(parent::_compile_memory_usage());
 }