Proyectos de Subversion Moodle

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Rev 1 Rev 1441
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        list($value, $unit) = $ap->apply_units($x);
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        list($value, $unit) = $ap->apply_units($x);
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        return !is_null($value) && !$unit;
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        return !is_null($value) && !$unit;
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    }
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    }
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    public function get_question_options($question) {
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    public function get_question_options($question) {
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        global $CFG, $DB, $OUTPUT;
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        global $DB;
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        parent::get_question_options($question);
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        parent::get_question_options($question);
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        // Get the question answers and their respective tolerances
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        // Get the question answers and their respective tolerances
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        // Note: question_numerical is an extension of the answer table rather than
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        // Note: question_numerical is an extension of the answer table rather than
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        //       the question table as is usually the case for qtype
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        //       the question table as is usually the case for qtype
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        //       specific tables.
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        //       specific tables.
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        // If the numerical record is missing for some reason (e.g. MDL-85721), use a default tolerance.
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        if (!$question->options->answers = $DB->get_records_sql(
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        if (!$question->options->answers = $DB->get_records_sql(
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            "
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                                "SELECT a.*, n.tolerance " .
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                SELECT a.*, COALESCE(n.tolerance, '0') AS tolerance
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                                "FROM {question_answers} a, " .
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                  FROM {question_answers} a
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                                "     {question_numerical} n " .
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             LEFT JOIN {question_numerical} n ON a.id = n.answer
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                                "WHERE a.question = ? " .
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                 WHERE a.question = ?
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              ORDER BY a.id ASC
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                                "    AND   a.id = n.answer " .
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            ",
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            [$question->id],
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                                "ORDER BY a.id ASC", array($question->id))) {
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        )) {
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            echo $OUTPUT->notification('Error: Missing question answer for numerical question ' .
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            debugging('Error: Missing question answer for numerical question ' .
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                    $question->id . '!');
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            return false;
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                    $question->id . '!');
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        }
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        }
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