PHP文件系统基本操作类

k);
                return TRUE;
            }
        }

        /**
         * @]Method Name[= generate_path()
         * @]Purpose[=
         *     获取现有或不存在文件、目录的绝对地址
         * @]Parameter[=
         *     string $path 要获取地址的文件、目录现有相对、绝对地址
         * @]Return[= string 获得的地址
         * @]Author[= SNakeVil <51JS,BU,PHPx> (snakevil@qq.com)
         * @]See[=
         */
        function generate_path($path="") {
            $i = "/"==DIRECTORY_SEPARATOR ? "\\" : "/"; // 统一目录分割符
            $path = str_replace($i, DIRECTORY_SEPARATOR, strval($path));
            if ($path[strlen($path)-1]!=DIRECTORY_SEPARATOR) $path .= DIRECTORY_SEPARATOR;
            $i = strpos($path, DIRECTORY_SEPARATOR); // 获得路径中首个目录分割符的位置
            $ext = substr($path, $i+1);
            $path = substr($path, 0, $i+1);
            if ($i=realpath($path)) $path = $i; // 得到基本路径
            else {
                $ext = $path.$ext;
                $path = realpath(".");
            }
            if (strlen($ext)) { // 对剩余内容处理
                $ext = preg_replace("/[\:\*\?\"\<\>\|]/", "", explode(DIRECTORY_SEPARATOR, $ext));
                array_pop($ext);
              &n