C:/xampp/htdocs/moodle/lib/filebrowser/virtual_root_file.php

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<?php

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.


defined('MOODLE_INTERNAL') || die();

class virtual_root_file {
    protected $contextid;
    protected $component;
    protected $filearea;
    protected $itemid;

    public function __construct($contextid, $component, $filearea, $itemid) {
        $this->contextid = $contextid;
        $this->component = $component;
        $this->filearea  = $filearea;
        $this->itemid    = $itemid;
    }

    public function is_directory() {
        return true;
    }

    public function delete() {
        return true;
    }

    public function add_to_curl_request(&$curlrequest, $key) {
        return;
    }

    public function get_content_file_handle() {
        return null;
    }

    public function readfile() {
        return;
    }

    public function get_content() {
        return '';
    }

    public function copy_content_to($pathname) {
        return false;
    }

    public function list_files(file_packer $packer) {
        return null;
    }

    public function extract_to_pathname(file_packer $packer, $pathname) {
        return false;
    }

    public function extract_to_storage(file_packer $packer, $contextid, $component, $filearea, $itemid, $pathbase, $userid = NULL) {
        return false;
    }

    public function archive_file(file_archive $filearch, $archivepath) {
        return false;
    }

    public function get_parent_directory() {
        return null;
    }

    public function get_contextid() {
        return $this->contextid;
    }

    public function get_component() {
        return $this->component;
    }

    public function get_filearea() {
        return $this->filearea;
    }

    public function get_itemid() {
        return $this->itemid;
    }

    public function get_filepath() {
        return '/';
    }

    public function get_filename() {
        return '.';
    }

    public function get_userid() {
        return null;
    }

    public function get_filesize() {
        return 0;
    }

    public function get_mimetype() {
        return null;
    }

    public function get_timecreated() {
        return 0;
    }

    public function get_timemodified() {
        return 0;
    }

    public function get_status() {
        return 0;
    }

    public function get_id() {
        return 0;
    }

    public function get_contenthash() {
        return sha1('');
    }

    public function get_pathnamehash() {
        return sha1('/'.$this->get_contextid().'/'.$this->get_component().'/'.$this->get_filearea().'/'.$this->get_itemid().$this->get_filepath().$this->get_filename());
    }

    public function get_license() {
        return null;
    }

    public function get_author() {
        return null;
    }

    public function get_source() {
        return null;
    }

    public function get_sortorder() {
        return null;
    }
}