public function get_password_restriction_status($userpassword) {
        global $USER;
        if ($this->can_manage()) {
            return false;
        }

        if ($this->properties->usepassword && empty($USER->lessonloggedin[$this->id])) {
            $correctpass = false;
            if (!empty($userpassword) &&
                    (($this->properties->password == md5(trim($userpassword))) || ($this->properties->password == trim($userpassword)))) {
                // With or without md5 for backward compatibility (MDL-11090).
                $correctpass = true;
                $USER->lessonloggedin[$this->id] = true;
            } else if (isset($this->properties->extrapasswords)) {
                // Group overrides may have additional passwords.
                foreach ($this->properties->extrapasswords as $password) {
                    if (strcmp($password, md5(trim($userpassword))) === 0 || strcmp($password, trim($userpassword)) === 0) {
                        $correctpass = true;
                        $USER->lessonloggedin[$this->id] = true;
                    }
                }
            }
            return !$correctpass;
        }
        return false;
    }
public function get_password_restriction_status($userpassword) {
        global $USER;
        if ($this->can_manage()) {
            return false;
        }

        if ($this->properties->usepassword && empty($USER->lessonloggedin[$this->id])) {
            $correctpass = false;
            if (!empty($userpassword) &&
                    (($this->properties->password == md5(trim($userpassword))) || ($this->properties->password == trim($userpassword)))) {
                // With or without md5 for backward compatibility (MDL-11090).
                $correctpass = true;
                $USER->lessonloggedin[$this->id] = true;
            } else if (isset($this->properties->extrapasswords)) {
                // Group overrides may have additional passwords.
                foreach ($this->properties->extrapasswords as $password) {
                    if (strcmp($password, md5(trim($userpassword))) === 0 || strcmp($password, trim($userpassword)) === 0) {
                        $correctpass = true;
                        $USER->lessonloggedin[$this->id] = true;
                    }
                }
            }
            return !$correctpass;
        }
        return false;
    }
public function get_password_restriction_status ( $ userpassword ) { global $ USER ; if ( $ this -> can_manage ( ) ) { return false ; } if ( $ this -> properties -> usepassword && empty ( $ USER -> lessonloggedin [ $ this -> id ] ) ) { $ correctpass = false ; if ( ! empty ( $ userpassword ) && ( ( $ this -> properties -> password == md5 ( trim ( $ userpassword ) ) ) || ( $ this -> properties -> password == trim ( $ userpassword ) ) ) ) { // With or without md5 for backward compatibility (MDL-11090). $ correctpass = true ; $ USER -> lessonloggedin [ $ this -> id ] = true ; } else if ( isset ( $ this -> properties -> extrapasswords ) ) { // Group overrides may have additional passwords. foreach ( $ this -> properties -> extrapasswords as $ password ) { if ( strcmp ( $ password , md5 ( trim ( $ userpassword ) ) ) === 0 || strcmp ( $ password , trim ( $ userpassword ) ) === 0 ) { $ correctpass = true ; $ USER -> lessonloggedin [ $ this -> id ] = true ; } } } return ! $ correctpass ; } return false ; }
Check if password restriction is applied.

@param string $userpassword the user password to check (if the restriction is set)
@return mixed false if there aren't restrictions or an object with the restriction information
@since  Moodle 3.3
Check if password restriction is applied .