public static function get_private_files_info($userid = 0) {
        global $CFG, $USER;
        require_once($CFG->libdir . '/filelib.php');

        $params = self::validate_parameters(self::get_private_files_info_parameters(), array('userid' => $userid));
        $warnings = array();

        $context = context_system::instance();
        self::validate_context($context);

        if (empty($params['userid']) || $params['userid'] == $USER->id) {
            $usercontext = context_user::instance($USER->id);
            require_capability('moodle/user:manageownfiles', $usercontext);
        } else {
            $user = core_user::get_user($params['userid'], '*', MUST_EXIST);
            core_user::require_active_user($user);
            // Only admins can retrieve other users information.
            require_capability('moodle/site:config', $context);
            $usercontext = context_user::instance($user->id);
        }

        $fileareainfo = file_get_file_area_info($usercontext->id, 'user', 'private');

        $result = array();
        $result['filecount'] = $fileareainfo['filecount'];
        $result['foldercount'] = $fileareainfo['foldercount'];
        $result['filesize'] = $fileareainfo['filesize'];
        $result['filesizewithoutreferences'] = $fileareainfo['filesize_without_references'];
        $result['warnings'] = $warnings;
        return $result;
    }
public static function get_private_files_info($userid = 0) {
        global $CFG, $USER;
        require_once($CFG->libdir . '/filelib.php');

        $params = self::validate_parameters(self::get_private_files_info_parameters(), array('userid' => $userid));
        $warnings = array();

        $context = context_system::instance();
        self::validate_context($context);

        if (empty($params['userid']) || $params['userid'] == $USER->id) {
            $usercontext = context_user::instance($USER->id);
            require_capability('moodle/user:manageownfiles', $usercontext);
        } else {
            $user = core_user::get_user($params['userid'], '*', MUST_EXIST);
            core_user::require_active_user($user);
            // Only admins can retrieve other users information.
            require_capability('moodle/site:config', $context);
            $usercontext = context_user::instance($user->id);
        }

        $fileareainfo = file_get_file_area_info($usercontext->id, 'user', 'private');

        $result = array();
        $result['filecount'] = $fileareainfo['filecount'];
        $result['foldercount'] = $fileareainfo['foldercount'];
        $result['filesize'] = $fileareainfo['filesize'];
        $result['filesizewithoutreferences'] = $fileareainfo['filesize_without_references'];
        $result['warnings'] = $warnings;
        return $result;
    }
public static function get_private_files_info ( $ userid = 0 ) { global $ CFG , $ USER ; require_once ( $ CFG -> libdir . '/filelib.php' ) ; $ params = self :: validate_parameters ( self :: get_private_files_info_parameters ( ) , array ( 'userid' => $ userid ) ) ; $ warnings = array ( ) ; $ context = context_system :: instance ( ) ; self :: validate_context ( $ context ) ; if ( empty ( $ params [ 'userid' ] ) || $ params [ 'userid' ] == $ USER -> id ) { $ usercontext = context_user :: instance ( $ USER -> id ) ; require_capability ( 'moodle/user:manageownfiles' , $ usercontext ) ; } else { $ user = core_user :: get_user ( $ params [ 'userid' ] , '*' , MUST_EXIST ) ; core_user :: require_active_user ( $ user ) ; // Only admins can retrieve other users information. require_capability ( 'moodle/site:config' , $ context ) ; $ usercontext = context_user :: instance ( $ user -> id ) ; } $ fileareainfo = file_get_file_area_info ( $ usercontext -> id , 'user' , 'private' ) ; $ result = array ( ) ; $ result [ 'filecount' ] = $ fileareainfo [ 'filecount' ] ; $ result [ 'foldercount' ] = $ fileareainfo [ 'foldercount' ] ; $ result [ 'filesize' ] = $ fileareainfo [ 'filesize' ] ; $ result [ 'filesizewithoutreferences' ] = $ fileareainfo [ 'filesize_without_references' ] ; $ result [ 'warnings' ] = $ warnings ; return $ result ; }
Returns general information about files in the user private files area.

@param int $userid Id of the user, default to current user.
@return array of warnings and file area information
@since Moodle 3.4
@throws moodle_exception
Returns general information about files in the user private files area .