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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 for storing calculated sub question statistics and intermediate calculation values.
*
* @package core_question
* @copyright 2013 The Open University
* @author James Pratt me@jamiep.org
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core_question\statistics\questions;
defined('MOODLE_INTERNAL') || die();
/**
* A class to store calculated stats for a sub question.
*
* @package core_question
* @copyright 2013 The Open University
* @author James Pratt me@jamiep.org
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class calculated_for_subquestion extends calculated {
public $subquestion = true;
/**
* @var array What slots is this sub question used in?
*/
public $usedin = array();
/**
* @var bool Have the slots this sub question has been used in got different grades?
*/
public $differentweights = false;
public $negcovar = 0;
/**
* @var int only set immediately before display in the table. The order of display in the table.
*/
public $subqdisplayorder;
/**
* Constructor.
*
* @param object|null $step the step data for the step that this sub-question was first encountered in.
* @param int|null $variant the variant no
*/
public function __construct($step = null, $variant = null) {
if ($step !== null) {
$this->questionid = $step->questionid;
$this->maxmark = $step->maxmark;
}
$this->variant = $variant;
}
}
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