C:/xampp/htdocs/moodle/backup/util/helper/backup_null_iterator.class.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/>.

class backup_null_iterator implements iterator {

    public function rewind() {
    }

    public function current() {
    }

    public function key() {
    }

    public function next() {
    }

    public function valid() {
        return false;
    }

    public function close() { // Added to provide compatibility with recordset iterators
    }
}