public static function get_human_size($num_bytes) { $abs_num_bytes = abs($num_bytes); if ($abs_num_bytes >= TR_KBYTE_SIZE * TR_KBYTE_SIZE) { return round(FileUtility::bytes_to_megabytes($num_bytes), 2) . ' ' . _AT('mb'); } else { if ($abs_num_bytes >= TR_KBYTE_SIZE) { return round(FileUtility::bytes_to_kilobytes($num_bytes), 2) . ' ' . _AT('kb'); } } // else: return $num_bytes . ' ' . _AT('bt'); }