PHP文件系统基本设置类

strlen($tbuffer)>=$this->buffer_size) { // 写入合法数据到临时文件
                    if (!fwrite($th,$tbuffer)) { // 写入失败，空间不足
                        fclose($th);
                        flock($fh, LOCK_UN);
                        fclose($fh);
                        unset($th, $fh, $in_dq, $in_sq, $in_lc, $in_bc, $i, $j, $k);
                        return $this->error_occur(0x000D, "");
                    }
                    $tbuffer = "";
                }
            }
            unset($fbuffer, $tbuffer, $fstats, $in_dq, $in_sq, $in_lc, $in_bc);
            rewind($fh); // 回移文件指针到文件首
            rewind($th);
            $i = $j = "";
            $k = 0;
            while (!feof($th)) { // 将临时文件数据写回源文件
                $i = fgets($th, $this->buffer_size);
                if ($j=="") { // 获得文件系统的换行符
                    $j= substr($i, -2);
                    if ($j=="\r\n") $k = 2;
                    elseif ($j[1]=="\r"

关键词：PHP文件系统基本设置类