C:/xampp/htdocs/moodle/course/user.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/>.

require_once("../config.php");
require_once("lib.php");

$id      = required_param('id',PARAM_INT);       // course id
$user    = required_param('user',PARAM_INT);     // user id
$mode    = optional_param('mode', "todaylogs", PARAM_ALPHA);

$url = new moodle_url('/course/user.php', array('id'=>$id,'user'=>$user, 'mode'=>$mode));

$course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
$user = $DB->get_record("user", array("id"=>$user, 'deleted'=>0), '*', MUST_EXIST);

if ($mode === 'outline' or $mode === 'complete') {
    $url = new moodle_url('/report/outline/user.php', array('id'=>$user->id, 'course'=>$course->id, 'mode'=>$mode));
    redirect($url);
}
if ($mode === 'todaylogs' or $mode === 'alllogs') {
    $logmode = ($mode === 'todaylogs') ? 'today' : 'all';
    $url = new moodle_url('/report/log/user.php', array('id'=>$user->id, 'course'=>$course->id, 'mode'=>$logmode));
    redirect($url);
}
if ($mode === 'stats') {
    $url = new moodle_url('/report/stats/user.php', array('id'=>$user->id, 'course'=>$course->id));
    redirect($url);
}
if ($mode === 'coursecompletions' or $mode === 'coursecompletion') {
    $url = new moodle_url('/report/completion/user.php', array('id'=>$user->id, 'course'=>$course->id));
    redirect($url);
}

$coursecontext   = get_context_instance(CONTEXT_COURSE, $course->id);
$personalcontext = get_context_instance(CONTEXT_USER, $user->id);

$PAGE->set_url('/course/user.php', array('id'=>$id, 'user'=>$user->id, 'mode'=>$mode));

require_login();
$PAGE->set_pagelayout('admin');
if (has_capability('moodle/user:viewuseractivitiesreport', $personalcontext) and !is_enrolled($coursecontext)) {
    // do not require parents to be enrolled in courses ;-)
    $PAGE->set_course($course);
} else {
    require_login($course);
}

if ($user->deleted) {
    echo $OUTPUT->header();
    echo $OUTPUT->heading(get_string('userdeleted'));
    echo $OUTPUT->footer();
    die;
}

// prepare list of allowed modes
$myreports  = ($course->showreports and $USER->id == $user->id);
$anyreport  = has_capability('moodle/user:viewuseractivitiesreport', $personalcontext);

$modes = array();

if (has_capability('moodle/grade:viewall', $coursecontext)) {
    //ok - can view all course grades
    $modes[] = 'grade';

} else if ($course->showgrades and $user->id == $USER->id and has_capability('moodle/grade:view', $coursecontext)) {
    //ok - can view own grades
    $modes[] = 'grade';

} else if ($course->showgrades and has_capability('moodle/grade:viewall', $personalcontext)) {
    // ok - can view grades of this user - parent most probably
    $modes[] = 'grade';

} else if ($course->showgrades and $anyreport) {
    // ok - can view grades of this user - parent most probably
    $modes[] = 'grade';
}

if (empty($modes)) {
    require_capability('moodle/user:viewuseractivitiesreport', $personalcontext);
}

if (!in_array($mode, $modes)) {
    // forbidden or non-existent mode
    $mode = reset($modes);
}

add_to_log($course->id, "course", "user report", "user.php?id=$course->id&amp;user=$user->id&amp;mode=$mode", "$user->id");

$stractivityreport = get_string("activityreport");

$PAGE->navigation->extend_for_user($user);
$PAGE->navigation->set_userid_for_parent_checks($user->id); // see MDL-25805 for reasons and for full commit reference for reversal when fixed.
$PAGE->set_title("$course->shortname: $stractivityreport ($mode)");
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();

switch ($mode) {
    case "grade":
        if (empty($CFG->grade_profilereport) or !file_exists($CFG->dirroot.'/grade/report/'.$CFG->grade_profilereport.'/lib.php')) {
            $CFG->grade_profilereport = 'user';
        }
        require_once $CFG->libdir.'/gradelib.php';
        require_once $CFG->dirroot.'/grade/lib.php';
        require_once $CFG->dirroot.'/grade/report/'.$CFG->grade_profilereport.'/lib.php';

        $functionname = 'grade_report_'.$CFG->grade_profilereport.'_profilereport';
        if (function_exists($functionname)) {
            $functionname($course, $user);
        }
        break;

        break;
    default:
        // can not be reached ;-)
}


echo $OUTPUT->footer();