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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Exportable machine learning backend interface.
  19   *
  20   * @package   core_analytics
  21   * @copyright 2019 David Monllao {@link http://www.davidmonllao.com}
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  namespace core_analytics;
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  /**
  30   * Exportable machine learning backend interface.
  31   *
  32   * @package   core_analytics
  33   * @copyright 2019 David Monllao {@link http://www.davidmonllao.com}
  34   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  35   */
  36  interface packable {
  37  
  38      /**
  39       * Exports the machine learning model.
  40       *
  41       * @throws \moodle_exception
  42       * @param  string $uniqueid  The model unique id
  43       * @param  string $modeldir  The directory that contains the trained model.
  44       * @return string            The path to the directory that contains the exported model.
  45       */
  46      public function export(string $uniqueid, string $modeldir) : string;
  47  
  48      /**
  49       * Imports the provided machine learning model.
  50       *
  51       * @param  string $uniqueid The model unique id
  52       * @param  string $modeldir  The directory that will contain the trained model.
  53       * @param  string $importdir The directory that contains the files to import.
  54       * @return bool Success
  55       */
  56      public function import(string $uniqueid, string $modeldir, string $importdir) : bool;
  57  }