Initial commit

classes/local/questionanalysis/statistics/question_statistic_result.php

+<?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/>.
+
+/**
+ * This interface defines the methods required for pluggable statistic-results that may be added to the question analysis.
+ *
+ * @copyright  2013 Middlebury College {@link http://www.middlebury.edu/}
+ * @copyright  2022 onwards Vitaly Potenko <potenkov@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace mod_adaptivequiz\local\questionanalysis\statistics;
+
+interface question_statistic_result {
+    /**
+     * A sortable version of the result.
+     *
+     * @return mixed string or numeric
+     */
+    public function sortable ();
+
+    /**
+     * A printable version of the result.
+     *
+     * @param numeric $result
+     * @return mixed string or numeric
+     */
+    public function printable ();
+}