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编辑当前文件:/home2/sdektunc/public_html/cepali/mod/quiz/report/statistics/lib.php

<?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/>.

/**
 * Standard plugin entry points of the quiz statistics report.
 *
 * @package   quiz_statistics
 * @copyright 2011 The Open University
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

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

/**
 * Serve questiontext files in the question text when they are displayed in this report.
 *
 * @package  quiz_statistics
 * @category files
 * @param context $previewcontext the quiz context
 * @param int $questionid the question id.
 * @param context $filecontext the file (question) context
 * @param string $filecomponent the component the file belongs to.
 * @param string $filearea the file area.
 * @param array $args remaining file args.
 * @param bool $forcedownload.
 * @param array $options additional options affecting the file serving.
 */
function quiz_statistics_question_preview_pluginfile($previewcontext, $questionid,
        $filecontext, $filecomponent, $filearea, $args, $forcedownload, $options = array()) {
    global $CFG;
    require_once($CFG->dirroot . '/mod/quiz/locallib.php');

list($context, $course, $cm) = get_context_info_array($previewcontext->id);
    require_login($course, false, $cm);

// Assume only trusted people can see this report. There is no real way to
    // validate questionid, becuase of the complexity of random quetsions.
    require_capability('quiz/statistics:view', $context);

$fs = get_file_storage();
    $relativepath = implode('/', $args);
    $fullpath = "/{$filecontext->id}/{$filecomponent}/{$filearea}/{$relativepath}";
    if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) {
        send_file_not_found();
    }

send_stored_file($file, 0, 0, $forcedownload, $options);
}