/**
 * Update a user with a user object (will compare against the ID)
 *
 * @param stdClass $user the user to update
 * @param bool $updatepassword if true, authentication plugin will update password.
 * @param bool $triggerevent set false if user_updated event should not be triggred.
 */
function user_update_user($user, $updatepassword = true, $triggerevent = true)
{
    global $DB;
    // set the timecreate field to the current time
    if (!is_object($user)) {
        $user = (object) $user;
    }
    //check username
    if (isset($user->username)) {
        if ($user->username !== core_text::strtolower($user->username)) {
            throw new moodle_exception('usernamelowercase');
        } else {
            if ($user->username !== clean_param($user->username, PARAM_USERNAME)) {
                throw new moodle_exception('invalidusername');
            }
        }
    }
    // Unset password here, for updating later, if password update is required.
    if ($updatepassword && isset($user->password)) {
        //check password toward the password policy
        if (!check_password_policy($user->password, $errmsg)) {
            throw new moodle_exception($errmsg);
        }
        $passwd = $user->password;
        unset($user->password);
    }
    // Make sure calendartype, if set, is valid.
    if (!empty($user->calendartype)) {
        $availablecalendartypes = \core_calendar\type_factory::get_list_of_calendar_types();
        // If it doesn't exist, then unset this value, we do not want to update the user's value.
        if (empty($availablecalendartypes[$user->calendartype])) {
            unset($user->calendartype);
        }
    } else {
        // Unset this variable, must be an empty string, which we do not want to update the calendartype to.
        unset($user->calendartype);
    }
    $user->timemodified = time();
    $DB->update_record('user', $user);
    if ($updatepassword) {
        // Get full user record.
        $updateduser = $DB->get_record('user', array('id' => $user->id));
        // if password was set, then update its hash
        if (isset($passwd)) {
            $authplugin = get_auth_plugin($updateduser->auth);
            if ($authplugin->can_change_password()) {
                $authplugin->user_update_password($updateduser, $passwd);
            }
        }
    }
    // Trigger event if required.
    if ($triggerevent) {
        \core\event\user_updated::create_from_userid($user->id)->trigger();
    }
}

 // Update interests.
 if (isset($usernew->interests)) {
     useredit_update_interests($usernew, $usernew->interests);
 }
 // Update user picture.
 if (empty($CFG->disableuserimages)) {
     useredit_update_picture($usernew, $userform, $filemanageroptions);
 }
 // Update mail bounces.
 useredit_update_bounces($user, $usernew);
 // Update forum track preference.
 useredit_update_trackforums($user, $usernew);
 // Save custom profile fields data.
 profile_save_data($usernew);
 // Trigger event.
 \core\event\user_updated::create_from_userid($user->id)->trigger();
 // If email was changed and confirmation is required, send confirmation email now to the new address.
 if ($emailchanged && $CFG->emailchangeconfirmation) {
     $tempuser = $DB->get_record('user', array('id' => $user->id), '*', MUST_EXIST);
     $tempuser->email = $usernew->preference_newemail;
     $a = new stdClass();
     $a->url = $CFG->wwwroot . '/user/emailupdate.php?key=' . $usernew->preference_newemailkey . '&id=' . $user->id;
     $a->site = format_string($SITE->fullname, true, array('context' => context_course::instance(SITEID)));
     $a->fullname = fullname($tempuser, true);
     $emailupdatemessage = get_string('emailupdatemessage', 'auth', $a);
     $emailupdatetitle = get_string('emailupdatetitle', 'auth', $a);
     // Email confirmation directly rather than using messaging so they will definitely get an email.
     $supportuser = core_user::get_support_user();
     if (!($mailresults = email_to_user($tempuser, $supportuser, $emailupdatetitle, $emailupdatemessage))) {
         die("could not send email!");
     }

/**
 * Sets specified user's password and send the new password to the user via email.
 *
 * @param stdClass $user A {@link $USER} object
 * @param bool $fasthash If true, use a low cost factor when generating the hash for speed.
 * @return bool|string Returns "true" if mail was sent OK and "false" if there was an error
 */
function setnew_password_and_mail($user, $fasthash = false)
{
    global $CFG, $DB;
    // We try to send the mail in language the user understands,
    // unfortunately the filter_string() does not support alternative langs yet
    // so multilang will not work properly for site->fullname.
    $lang = empty($user->lang) ? $CFG->lang : $user->lang;
    $site = get_site();
    $supportuser = core_user::get_support_user();
    $newpassword = generate_password();
    $hashedpassword = hash_internal_user_password($newpassword, $fasthash);
    $DB->set_field('user', 'password', $hashedpassword, array('id' => $user->id));
    $user->password = $hashedpassword;
    // Trigger event.
    $event = \core\event\user_updated::create(array('objectid' => $user->id, 'context' => context_user::instance($user->id)));
    $event->add_record_snapshot('user', $user);
    $event->trigger();
    $a = new stdClass();
    $a->firstname = fullname($user, true);
    $a->sitename = format_string($site->fullname);
    $a->username = $user->username;
    $a->newpassword = $newpassword;
    $a->link = $CFG->wwwroot . '/login/';
    $a->signoff = generate_email_signoff();
    $message = (string) new lang_string('newusernewpasswordtext', '', $a, $lang);
    $subject = format_string($site->fullname) . ': ' . (string) new lang_string('newusernewpasswordsubj', '', $a, $lang);
    // Directly email rather than using the messaging system to ensure its not routed to a popup or jabber.
    return email_to_user($user, $supportuser, $subject, $message);
}

/**
 * Will update a local user record from an external source (MNET users can not be updated using this method!).
 *
 * @param int $id user id
 * @return stdClass A complete user object
 */
function update_user_record_by_id($id)
{
    global $DB, $CFG;
    require_once $CFG->dirroot . "/user/profile/lib.php";
    require_once $CFG->dirroot . '/user/lib.php';
    $params = array('mnethostid' => $CFG->mnet_localhost_id, 'id' => $id, 'deleted' => 0);
    $oldinfo = $DB->get_record('user', $params, '*', MUST_EXIST);
    $newuser = array();
    $userauth = get_auth_plugin($oldinfo->auth);
    if ($newinfo = $userauth->get_userinfo($oldinfo->username)) {
        $newinfo = truncate_userinfo($newinfo);
        $customfields = $userauth->get_custom_user_profile_fields();
        foreach ($newinfo as $key => $value) {
            $iscustom = in_array($key, $customfields);
            if (!$iscustom) {
                $key = strtolower($key);
            }
            if (!property_exists($oldinfo, $key) && !$iscustom or $key === 'username' or $key === 'id' or $key === 'auth' or $key === 'mnethostid' or $key === 'deleted') {
                // Unknown or must not be changed.
                continue;
            }
            $confval = $userauth->config->{'field_updatelocal_' . $key};
            $lockval = $userauth->config->{'field_lock_' . $key};
            if (empty($confval) || empty($lockval)) {
                continue;
            }
            if ($confval === 'onlogin') {
                // MDL-4207 Don't overwrite modified user profile values with
                // empty LDAP values when 'unlocked if empty' is set. The purpose
                // of the setting 'unlocked if empty' is to allow the user to fill
                // in a value for the selected field _if LDAP is giving
                // nothing_ for this field. Thus it makes sense to let this value
                // stand in until LDAP is giving a value for this field.
                if (!(empty($value) && $lockval === 'unlockedifempty')) {
                    if ($iscustom || in_array($key, $userauth->userfields) && (string) $oldinfo->{$key} !== (string) $value) {
                        $newuser[$key] = (string) $value;
                    }
                }
            }
        }
        if ($newuser) {
            $newuser['id'] = $oldinfo->id;
            $newuser['timemodified'] = time();
            user_update_user((object) $newuser, false, false);
            // Save user profile data.
            profile_save_data((object) $newuser);
            // Trigger event.
            \core\event\user_updated::create_from_userid($newuser['id'])->trigger();
        }
    }
    return get_complete_user_data('id', $oldinfo->id);
}

 /**
  * will update a local user record from an external source.
  * is a lighter version of the one in moodlelib -- won't do
  * expensive ops such as enrolment.
  *
  * If you don't pass $updatekeys, there is a performance hit and
  * values removed from DB won't be removed from moodle.
  *
  * @param string $username username
  * @param bool $updatekeys
  * @return stdClass
  */
 function update_user_record($username, $updatekeys = false)
 {
     global $CFG, $DB;
     //just in case check text case
     $username = trim(core_text::strtolower($username));
     // get the current user record
     $user = $DB->get_record('user', array('username' => $username, 'mnethostid' => $CFG->mnet_localhost_id));
     if (empty($user)) {
         // trouble
         error_log("Cannot update non-existent user: {$username}");
         print_error('auth_dbusernotexist', 'auth_db', $username);
         die;
     }
     // Ensure userid is not overwritten.
     $userid = $user->id;
     $updated = false;
     if ($newinfo = $this->get_userinfo($username)) {
         $newinfo = truncate_userinfo($newinfo);
         if (empty($updatekeys)) {
             // All keys? This does not support removing values.
             $updatekeys = array_keys($newinfo);
         }
         foreach ($updatekeys as $key) {
             if (isset($newinfo[$key])) {
                 $value = $newinfo[$key];
             } else {
                 $value = '';
             }
             if (!empty($this->config->{'field_updatelocal_' . $key})) {
                 if (isset($user->{$key}) and $user->{$key} != $value) {
                     // Only update if it's changed.
                     $DB->set_field('user', $key, $value, array('id' => $userid));
                     $updated = true;
                 }
             }
         }
     }
     if ($updated) {
         $DB->set_field('user', 'timemodified', time(), array('id' => $userid));
         // Trigger user_updated event.
         \core\event\user_updated::create_from_userid($userid)->trigger();
     }
     return $DB->get_record('user', array('id' => $userid, 'deleted' => 0));
 }

 /**
  * Update users
  *
  * @param array $users
  * @return null
  * @since Moodle 2.2
  */
 public static function update_users($users)
 {
     global $CFG, $DB;
     require_once $CFG->dirroot . "/user/lib.php";
     require_once $CFG->dirroot . "/user/profile/lib.php";
     // Required for customfields related function.
     // Ensure the current user is allowed to run this function.
     $context = context_system::instance();
     require_capability('moodle/user:update', $context);
     self::validate_context($context);
     $params = self::validate_parameters(self::update_users_parameters(), array('users' => $users));
     $transaction = $DB->start_delegated_transaction();
     foreach ($params['users'] as $user) {
         user_update_user($user, true, false);
         // Update user custom fields.
         if (!empty($user['customfields'])) {
             foreach ($user['customfields'] as $customfield) {
                 // Profile_save_data() saves profile file it's expecting a user with the correct id,
                 // and custom field to be named profile_field_"shortname".
                 $user["profile_field_" . $customfield['type']] = $customfield['value'];
             }
             profile_save_data((object) $user);
         }
         // Trigger event.
         \core\event\user_updated::create_from_userid($user['id'])->trigger();
         // Preferences.
         if (!empty($user['preferences'])) {
             foreach ($user['preferences'] as $preference) {
                 set_user_preference($preference['type'], $preference['value'], $user['id']);
             }
         }
     }
     $transaction->allow_commit();
     return null;
 }

 /**
  * Update users
  *
  * @param array $users
  * @return null
  * @since Moodle 2.2
  */
 public static function update_users($users)
 {
     global $CFG, $DB;
     require_once $CFG->dirroot . "/user/lib.php";
     require_once $CFG->dirroot . "/user/profile/lib.php";
     // Required for customfields related function.
     // Ensure the current user is allowed to run this function.
     $context = context_system::instance();
     require_capability('moodle/user:update', $context);
     self::validate_context($context);
     $params = self::validate_parameters(self::update_users_parameters(), array('users' => $users));
     $filemanageroptions = array('maxbytes' => $CFG->maxbytes, 'subdirs' => 0, 'maxfiles' => 1, 'accepted_types' => 'web_image');
     $transaction = $DB->start_delegated_transaction();
     foreach ($params['users'] as $user) {
         user_update_user($user, true, false);
         // Update user picture if it was specified for this user.
         if (empty($CFG->disableuserimages) && isset($user['userpicture'])) {
             $userobject = (object) $user;
             $userobject->deletepicture = null;
             if ($user['userpicture'] == 0) {
                 $userobject->deletepicture = true;
             } else {
                 $userobject->imagefile = $user['userpicture'];
             }
             core_user::update_picture($userobject, $filemanageroptions);
         }
         // Update user custom fields.
         if (!empty($user['customfields'])) {
             foreach ($user['customfields'] as $customfield) {
                 // Profile_save_data() saves profile file it's expecting a user with the correct id,
                 // and custom field to be named profile_field_"shortname".
                 $user["profile_field_" . $customfield['type']] = $customfield['value'];
             }
             profile_save_data((object) $user);
         }
         // Trigger event.
         \core\event\user_updated::create_from_userid($user['id'])->trigger();
         // Preferences.
         if (!empty($user['preferences'])) {
             foreach ($user['preferences'] as $preference) {
                 set_user_preference($preference['type'], $preference['value'], $user['id']);
             }
         }
     }
     $transaction->allow_commit();
     return null;
 }

/**
 * Update a user with a user object (will compare against the ID)
 *
 * @param stdClass $user the user to update
 * @param bool $updatepassword if true, authentication plugin will update password.
 */
function user_update_user($user, $updatepassword = true)
{
    global $DB;
    // set the timecreate field to the current time
    if (!is_object($user)) {
        $user = (object) $user;
    }
    //check username
    if (isset($user->username)) {
        if ($user->username !== core_text::strtolower($user->username)) {
            throw new moodle_exception('usernamelowercase');
        } else {
            if ($user->username !== clean_param($user->username, PARAM_USERNAME)) {
                throw new moodle_exception('invalidusername');
            }
        }
    }
    // Unset password here, for updating later, if password update is required.
    if ($updatepassword && isset($user->password)) {
        //check password toward the password policy
        if (!check_password_policy($user->password, $errmsg)) {
            throw new moodle_exception($errmsg);
        }
        $passwd = $user->password;
        unset($user->password);
    }
    $user->timemodified = time();
    $DB->update_record('user', $user);
    if ($updatepassword) {
        // Get full user record.
        $updateduser = $DB->get_record('user', array('id' => $user->id));
        // if password was set, then update its hash
        if (isset($passwd)) {
            $authplugin = get_auth_plugin($updateduser->auth);
            if ($authplugin->can_change_password()) {
                $authplugin->user_update_password($updateduser, $passwd);
            }
        }
    }
    // Trigger event.
    $event = \core\event\user_updated::create(array('objectid' => $user->id, 'context' => context_user::instance($user->id)));
    $event->trigger();
}

/**
 * Update a user with a user object (will compare against the ID)
 *
 * @throws moodle_exception
 * @param stdClass $user the user to update
 * @param bool $updatepassword if true, authentication plugin will update password.
 * @param bool $triggerevent set false if user_updated event should not be triggred.
 *             This will not affect user_password_updated event triggering.
 */
function user_update_user($user, $updatepassword = true, $triggerevent = true)
{
    global $DB;
    // Set the timecreate field to the current time.
    if (!is_object($user)) {
        $user = (object) $user;
    }
    // Check username.
    if (isset($user->username)) {
        if ($user->username !== core_text::strtolower($user->username)) {
            throw new moodle_exception('usernamelowercase');
        } else {
            if ($user->username !== core_user::clean_field($user->username, 'username')) {
                throw new moodle_exception('invalidusername');
            }
        }
    }
    // Unset password here, for updating later, if password update is required.
    if ($updatepassword && isset($user->password)) {
        // Check password toward the password policy.
        if (!check_password_policy($user->password, $errmsg)) {
            throw new moodle_exception($errmsg);
        }
        $passwd = $user->password;
        unset($user->password);
    }
    // Make sure calendartype, if set, is valid.
    if (empty($user->calendartype)) {
        // Unset this variable, must be an empty string, which we do not want to update the calendartype to.
        unset($user->calendartype);
    }
    $user->timemodified = time();
    // Validate user data object.
    $uservalidation = core_user::validate($user);
    if ($uservalidation !== true) {
        foreach ($uservalidation as $field => $message) {
            debugging("The property '{$field}' has invalid data and has been cleaned.", DEBUG_DEVELOPER);
            $user->{$field} = core_user::clean_field($user->{$field}, $field);
        }
    }
    $DB->update_record('user', $user);
    if ($updatepassword) {
        // Get full user record.
        $updateduser = $DB->get_record('user', array('id' => $user->id));
        // If password was set, then update its hash.
        if (isset($passwd)) {
            $authplugin = get_auth_plugin($updateduser->auth);
            if ($authplugin->can_change_password()) {
                $authplugin->user_update_password($updateduser, $passwd);
            }
        }
    }
    // Trigger event if required.
    if ($triggerevent) {
        \core\event\user_updated::create_from_userid($user->id)->trigger();
    }
}

//.........这里部分代码省略.........
                            $response = ltiprovider\sendOAuthParamsPOST('POST', $user->membershipsurl, $user->consumerkey, $user->consumersecret, 'application/x-www-form-urlencoded', $params);
                        } catch (Exception $e) {
                            mtrace("Exception: " . $e->getMessage());
                            $response = false;
                        }
                        if ($response) {
                            $data = new SimpleXMLElement($response);
                            if (!empty($data->statusinfo)) {
                                if (strpos(strtolower($data->statusinfo->codemajor), 'success') !== false) {
                                    $members = $data->memberships->member;
                                    mtrace(count($members) . ' members received');
                                    $currentusers = array();
                                    foreach ($members as $member) {
                                        $username = local_ltiprovider_create_username($user->consumerkey, $member->user_id);
                                        $userobj = $DB->get_record('user', array('username' => $username));
                                        if (!$userobj) {
                                            // Old format.
                                            $oldusername = 'ltiprovider' . md5($user->consumerkey . ':' . $member->user_id);
                                            $userobj = $DB->get_record('user', array('username' => $oldusername));
                                            if ($userobj) {
                                                $DB->set_field('user', 'username', $username, array('id' => $userobj->id));
                                            }
                                            $userobj = $DB->get_record('user', array('username' => $username));
                                        }
                                        if ($userobj) {
                                            $currentusers[] = $userobj->id;
                                            $userobj->firstname = clean_param($member->person_name_given, PARAM_TEXT);
                                            $userobj->lastname = clean_param($member->person_name_family, PARAM_TEXT);
                                            $userobj->email = clean_param($member->person_contact_email_primary, PARAM_EMAIL);
                                            $userobj->timemodified = time();
                                            $DB->update_record('user', $userobj);
                                            $userphotos[$userobj->id] = $member->user_image;
                                            // Trigger event.
                                            $event = \core\event\user_updated::create(array('objectid' => $userobj->id, 'relateduserid' => $userobj->id, 'context' => context_user::instance($userobj->id)));
                                            $event->trigger();
                                        } else {
                                            // New members.
                                            if ($tool->syncmode == 1 or $tool->syncmode == 2) {
                                                // We have to enrol new members so we have to create it.
                                                $userobj = new stdClass();
                                                // clean_param , email username text
                                                $auth = get_config('local_ltiprovider', 'defaultauthmethod');
                                                if ($auth) {
                                                    $userobj->auth = $auth;
                                                } else {
                                                    $userobj->auth = 'nologin';
                                                }
                                                $username = local_ltiprovider_create_username($user->consumerkey, $member->user_id);
                                                $userobj->username = $username;
                                                $userobj->password = md5(uniqid(rand(), 1));
                                                $userobj->firstname = clean_param($member->person_name_given, PARAM_TEXT);
                                                $userobj->lastname = clean_param($member->person_name_family, PARAM_TEXT);
                                                $userobj->email = clean_param($member->person_contact_email_primary, PARAM_EMAIL);
                                                $userobj->city = $tool->city;
                                                $userobj->country = $tool->country;
                                                $userobj->institution = $tool->institution;
                                                $userobj->timezone = $tool->timezone;
                                                $userobj->maildisplay = $tool->maildisplay;
                                                $userobj->mnethostid = $CFG->mnet_localhost_id;
                                                $userobj->confirmed = 1;
                                                $userobj->lang = $tool->lang;
                                                $userobj->timecreated = time();
                                                if (!$userobj->lang) {
                                                    // TODO: This should be changed for detect the course lang
                                                    $userobj->lang = current_language();
                                                }

         $title = isset($usernew->usertitle) ? $usernew->usertitle : 0;
         assign_department_and_title_to_user($companyid, $department, $title, $usernew->id);
     }
 }
 // Reload from db.
 $usernew = $DB->get_record('user', array('id' => $usernew->id));
 // Trigger events.
 if ($usercreated) {
     // Set default message preferences.
     if (!message_set_default_message_preferences($usernew)) {
         print_error('cannotsavemessageprefs', 'message');
     }
     $event = \core\event\user_created::create_from_userid($usernew->id);
     $event->trigger();
 } else {
     $event = \core\event\user_updated::create(array('context' => $systemcontext, 'userid' => $usernew->id, 'relateduserid' => $USER->id));
     $event->trigger();
 }
 if ($user->id == $USER->id) {
     // Override old $USER session variable.
     foreach ((array) $usernew as $variable => $value) {
         $USER->{$variable} = $value;
     }
     if (!empty($USER->newadminuser)) {
         unset($USER->newadminuser);
         // Apply defaults again - some of them might depend on admin user info, backup, roles, etc..
         admin_apply_default_settings(null, false);
         // Redirect to admin/ to continue with installation.
         redirect("{$CFG->wwwroot}/{$CFG->admin}/");
     } else {
         redirect("{$CFG->wwwroot}/user/view.php?id={$USER->id}&course={$course->id}");

 /**
  * Update details for the current user
  * Password is passed in plaintext.
  *
  * @param object $user current user object
  * @param boolean $notify print notice with link and terminate
  */
 public function user_update_details($user)
 {
     global $CFG, $DB, $USER;
     require_once $CFG->dirroot . '/user/profile/lib.php';
     require_once $CFG->dirroot . '/user/lib.php';
     if ($user->password == $user->confirmpassword and !empty($user->password)) {
         $plainpassword = $user->password;
         echo $plainpassword;
         $user->password = hash_internal_user_password($user->password);
         $this->user_update_password($user, $user->password);
         user_add_password_history($user->id, $plainpassword);
     }
     if (empty($user->calendartype)) {
         $user->calendartype = $CFG->calendartype;
     }
     try {
         $transaction = $DB->start_delegated_transaction();
         user_update_user($user, false, false);
         $user->profile_field_yearlevel = empty($user->profile_field_yearlevel) ? 'N/A' : $user->profile_field_yearlevel;
         $user->profile_field_yearofbirth = empty($user->profile_field_yearofbirth) ? 'N/A' : $user->profile_field_yearofbirth;
         $user->profile_field_whereareyoufrom = empty($user->profile_field_whereareyoufrom) ? 'Perth' : $user->profile_field_whereareyoufrom;
         $USER->profile['yearlevel'] = $user->profile_field_yearlevel;
         $USER->profile['yearofbirth'] = $user->profile_field_yearofbirth;
         $USER->profile['whereareyoufrom'] = $user->profile_field_whereareyoufrom;
         profile_save_data($user);
         // Trigger event.
         \core\event\user_updated::create_from_userid($user->id)->trigger();
         // Assuming the both inserts work, we get to the following line.
         $transaction->allow_commit();
     } catch (Exception $e) {
         $transaction->rollback($e);
         return false;
     }
     return $this->update_user_session($user);
 }

 public static function user_updated(\core\event\user_updated $event)
 {
     global $CFG, $DB;
     $sync_to_joomla = get_config('auth/joomdle', 'sync_to_joomla');
     if (!$sync_to_joomla) {
         return true;
     }
     $user = $event->get_record_snapshot('user', $event->objectid);
     if ($user->auth != 'joomdle') {
         return true;
     }
     $auth_joomdle = new auth_plugin_joomdle();
     /* Update user info in Joomla */
     $userinfo['username'] = $user->username;
     $userinfo['name'] = $user->firstname . " " . $user->lastname;
     $userinfo['email'] = $user->email;
     $userinfo['firstname'] = $user->firstname;
     $userinfo['lastname'] = $user->lastname;
     $userinfo['city'] = $user->city;
     $userinfo['country'] = $user->country;
     $userinfo['lang'] = $user->lang;
     $userinfo['timezone'] = $user->timezone;
     $userinfo['phone1'] = $user->phone1;
     $userinfo['phone2'] = $user->phone2;
     $userinfo['address'] = $user->address;
     $userinfo['description'] = $user->description;
     $userinfo['institution'] = $user->institution;
     $userinfo['url'] = $user->url;
     $userinfo['icq'] = $user->icq;
     $userinfo['skype'] = $user->skype;
     $userinfo['aim'] = $user->aim;
     $userinfo['yahoo'] = $user->yahoo;
     $userinfo['msn'] = $user->msn;
     $userinfo['idnumber'] = $user->idnumber;
     $userinfo['department'] = $user->department;
     $userinfo['picture'] = $user->picture;
     $userinfo['lastnamephonetic'] = $user->lastnamephonetic;
     $userinfo['firstnamephonetic'] = $user->firstnamephonetic;
     $userinfo['middlename'] = $user->middlename;
     $userinfo['alternatename'] = $user->alternatename;
     $id = $user->id;
     $usercontext = context_user::instance($id);
     $context_id = $usercontext->id;
     if ($user->picture) {
         $userinfo['pic_url'] = $CFG->wwwroot . "/pluginfile.php/{$context_id}/user/icon/f1";
     }
     $userinfo['block'] = 0;
     /* Custom fields */
     $query = "SELECT f.id, d.data \n\t\t\t\t\tFROM {$CFG->prefix}user_info_field as f, {$CFG->prefix}user_info_data d \n\t\t\t\t\tWHERE f.id=d.fieldid and userid = ?";
     $params = array($id);
     $records = $DB->get_records_sql($query, $params);
     $i = 0;
     $userinfo['custom_fields'] = array();
     foreach ($records as $field) {
         $userinfo['custom_fields'][$i]['id'] = $field->id;
         $userinfo['custom_fields'][$i]['data'] = $field->data;
         $i++;
     }
     $auth_joomdle->call_method("updateUser", $userinfo);
     return true;
 }

         if ($isinternalauth && $updatepasswords) {
             if (empty($existinguser->password)) {
                 set_user_preference('create_password', 1, $existinguser->id);
                 set_user_preference('auth_forcepasswordchange', 1, $existinguser->id);
                 $upt->track('password', get_string('new'));
             } else {
                 if ($forcechangepassword) {
                     set_user_preference('auth_forcepasswordchange', 1, $existinguser->id);
                 }
             }
         }
         $upt->track('status', $struserupdated);
         $usersupdated++;
         // Save custom profile fields data from csv file.
         profile_save_data($existinguser);
         \core\event\user_updated::create(array('context' => $systemcontext, 'relateduserid' => $USER->id, 'userid' => $existinguser->id))->trigger();
     }
     if ($bulk == 2 or $bulk == 3) {
         if (!in_array($user->id, $SESSION->bulk_users)) {
             $SESSION->bulk_users[] = $user->id;
         }
     }
 } else {
     // Save the user to the database.
     $user->confirmed = 1;
     $user->timemodified = time();
     $user->timecreated = time();
     if (isset($user->auth) && empty($user->auth)) {
         $user->auth = 'manual';
     }
     $auth = get_auth_plugin($user->auth);

     $user = new stdClass();
     local_ltiprovider_populate($user, $context, $tool);
     if (local_ltiprovider_user_match($user, $dbuser)) {
         $user = $dbuser;
     } else {
         $user = $dbuser;
         $userprofileupdate = get_config('local_ltiprovider', 'userprofileupdate');
         if ($userprofileupdate == -1) {
             // Check the tool setting.
             $userprofileupdate = $tool->userprofileupdate;
         }
         if ($userprofileupdate) {
             local_ltiprovider_populate($user, $context, $tool);
             $DB->update_record('user', $user);
             // Trigger event.
             $event = \core\event\user_updated::create(array('objectid' => $user->id, 'relateduserid' => $user->id, 'context' => context_user::instance($user->id)));
             $event->trigger();
         }
     }
 }
 // Update user image.
 if (!empty($context->info['user_image']) or !empty($context->info['custom_user_image'])) {
     $userimageurl = !empty($context->info['user_image']) ? $context->info['user_image'] : $context->info['custom_user_image'];
     local_ltiprovider_update_user_profile_image($user->id, $userimageurl);
 }
 // Enrol user in course and activity if needed
 if (!($moodlecontext = $DB->get_record('context', array('id' => $tool->contextid)))) {
     print_error("invalidcontext");
 }
 if ($moodlecontext->contextlevel == CONTEXT_COURSE) {
     $courseid = $moodlecontext->instanceid;