PHP文件系统基本操作类

{ // 截去超过要求的长度，离开列举
                    array_splice($result, $limit);
                    break;
                }
            }
            unset($i, $j, $k, $l);
            return $this->result = $result;
        }

        /**
         * @]Method Name[= delete()
         * @]Purpose[=
         *     删除指定对象，文件或文件夹——包括内含子目录和文件的非空文件夹
         * @]Parameter[=
         *     string $path 指定要删除的内容路径，文件或目录均可
         * @]Return[= boolean 错误返回 FALSE，否则 TRUE
         * @]Author[= SNakeVil <51JS,BU,PHPx> (snakevil@qq.com)
         * @]See[=
         */
        function delete($path="") {
            $path = realpath($path);
            if (!$path) return $this->error_occur(0x000A, __FUNCTION__);
            if (!is_dir($path)) {
                if (@unlink($path)) return TRUE; // 文件删除成功
                return $this->error_occur(0x0004, $path);
            } else {
                if (FALSE===$i=$this->list_dir($path)) return FALSE; // 不能列举目录
                for ($j=0,$k=count($i);$j<$k;$j++)
                    if (!$this->delete($i[$j]["location"])) return FALSE; // 删除目录内容出错
                unset($i, $j, $