chamilo /
chamilo-lms
| Total Complexity | 47 |
| Total Lines | 474 |
| Duplicated Lines | 0 % |
| Changes | 2 | ||
| Bugs | 0 | Features | 0 |
Complex classes like QuizExport often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use QuizExport, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 15 | class QuizExport extends ActivityExport |
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| 16 | { |
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| 17 | /** |
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| 18 | * Export a quiz to the specified directory. |
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| 19 | * |
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| 20 | * @param int $activityId The ID of the quiz. |
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| 21 | * @param string $exportDir The directory where the quiz will be exported. |
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| 22 | * @param int $moduleId The ID of the module. |
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| 23 | * @param int $sectionId The ID of the section. |
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| 24 | */ |
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| 25 | public function export($activityId, $exportDir, $moduleId, $sectionId): void |
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| 45 | } |
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| 46 | |||
| 47 | /** |
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| 48 | * Retrieves the quiz data. |
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| 49 | */ |
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| 50 | public function getData(int $quizId, int $sectionId): array |
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| 51 | { |
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| 52 | $quizResources = $this->course->resources[RESOURCE_QUIZ]; |
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| 53 | |||
| 54 | foreach ($quizResources as $quiz) { |
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| 55 | if ($quiz->obj->iid == -1) { |
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| 56 | continue; |
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| 57 | } |
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| 58 | |||
| 59 | if ($quiz->obj->iid == $quizId) { |
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| 60 | $contextid = $quiz->obj->c_id; |
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| 61 | |||
| 62 | return [ |
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| 63 | 'id' => $quiz->obj->iid, |
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| 64 | 'name' => $quiz->obj->title, |
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| 65 | 'intro' => $quiz->obj->description, |
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| 66 | 'timeopen' => $quiz->obj->start_time ?? 0, |
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| 67 | 'timeclose' => $quiz->obj->end_time ?? 0, |
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| 68 | 'timelimit' => $quiz->obj->timelimit ?? 0, |
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| 69 | 'grademethod' => $quiz->obj->grademethod ?? 1, |
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| 70 | 'decimalpoints' => $quiz->obj->decimalpoints ?? 2, |
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| 71 | 'sumgrades' => $quiz->obj->sumgrades ?? 0, |
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| 72 | 'grade' => $quiz->obj->grade ?? 0, |
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| 73 | 'questionsperpage' => $quiz->obj->questionsperpage ?? 1, |
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| 74 | 'preferredbehaviour' => $quiz->obj->preferredbehaviour ?? 'deferredfeedback', |
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| 75 | 'shuffleanswers' => $quiz->obj->shuffleanswers ?? 1, |
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| 76 | 'questions' => $this->getQuestionsForQuiz($quizId), |
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| 77 | 'feedbacks' => $this->getFeedbacksForQuiz($quizId), |
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| 78 | 'sectionid' => $sectionId, |
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| 79 | 'moduleid' => $quiz->obj->iid ?? 0, |
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| 80 | 'modulename' => 'quiz', |
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| 81 | 'contextid' => $contextid, |
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| 82 | 'overduehandling' => $quiz->obj->overduehandling ?? 'autosubmit', |
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| 83 | 'graceperiod' => $quiz->obj->graceperiod ?? 0, |
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| 84 | 'canredoquestions' => $quiz->obj->canredoquestions ?? 0, |
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| 85 | 'attempts_number' => $quiz->obj->attempts_number ?? 0, |
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| 86 | 'attemptonlast' => $quiz->obj->attemptonlast ?? 0, |
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| 87 | 'questiondecimalpoints' => $quiz->obj->questiondecimalpoints ?? 2, |
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| 88 | 'reviewattempt' => $quiz->obj->reviewattempt ?? 0, |
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| 89 | 'reviewcorrectness' => $quiz->obj->reviewcorrectness ?? 0, |
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| 90 | 'reviewmarks' => $quiz->obj->reviewmarks ?? 0, |
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| 91 | 'reviewspecificfeedback' => $quiz->obj->reviewspecificfeedback ?? 0, |
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| 92 | 'reviewgeneralfeedback' => $quiz->obj->reviewgeneralfeedback ?? 0, |
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| 93 | 'reviewrightanswer' => $quiz->obj->reviewrightanswer ?? 0, |
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| 94 | 'reviewoverallfeedback' => $quiz->obj->reviewoverallfeedback ?? 0, |
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| 95 | 'timecreated' => $quiz->obj->insert_date ?? time(), |
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| 96 | 'timemodified' => $quiz->obj->lastedit_date ?? time(), |
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| 97 | 'password' => $quiz->obj->password ?? '', |
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| 98 | 'subnet' => $quiz->obj->subnet ?? '', |
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| 99 | 'browsersecurity' => $quiz->obj->browsersecurity ?? '-', |
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| 100 | 'delay1' => $quiz->obj->delay1 ?? 0, |
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| 101 | 'delay2' => $quiz->obj->delay2 ?? 0, |
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| 102 | 'showuserpicture' => $quiz->obj->showuserpicture ?? 0, |
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| 103 | 'showblocks' => $quiz->obj->showblocks ?? 0, |
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| 104 | 'completionattemptsexhausted' => $quiz->obj->completionattemptsexhausted ?? 0, |
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| 105 | 'completionpass' => $quiz->obj->completionpass ?? 0, |
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| 106 | 'completionminattempts' => $quiz->obj->completionminattempts ?? 0, |
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| 107 | 'allowofflineattempts' => $quiz->obj->allowofflineattempts ?? 0, |
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| 108 | 'users' => [], |
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| 109 | 'files' => [], |
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| 110 | ]; |
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| 111 | } |
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| 112 | } |
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| 113 | |||
| 114 | return []; |
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| 115 | } |
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| 116 | |||
| 117 | /** |
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| 118 | * Retrieves the questions for a specific quiz. |
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| 119 | */ |
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| 120 | private function getQuestionsForQuiz(int $quizId): array |
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| 121 | { |
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| 122 | $questions = []; |
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| 123 | $quizResources = $this->course->resources[RESOURCE_QUIZQUESTION] ?? []; |
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| 124 | |||
| 125 | foreach ($quizResources as $questionId => $questionData) { |
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| 126 | if (in_array($questionId, $this->course->resources[RESOURCE_QUIZ][$quizId]->obj->question_ids)) { |
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| 127 | $questions[] = [ |
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| 128 | 'id' => $questionData->source_id, |
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| 129 | 'questiontext' => $questionData->question, |
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| 130 | 'qtype' => $this->mapQuestionType($questionData->quiz_type), |
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| 131 | 'questioncategoryid' => $questionData->question_category ?? 0, |
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| 132 | 'answers' => $this->getAnswersForQuestion($questionData->source_id), |
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| 133 | 'maxmark' => $questionData->ponderation ?? 1, |
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| 134 | ]; |
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| 135 | } |
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| 136 | } |
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| 137 | |||
| 138 | return $questions; |
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| 139 | } |
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| 140 | |||
| 141 | /** |
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| 142 | * Maps the quiz type code to a descriptive string. |
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| 143 | */ |
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| 144 | private function mapQuestionType(string $quizType): string |
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| 154 | } |
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| 155 | } |
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| 156 | |||
| 157 | /** |
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| 158 | * Retrieves the answers for a specific question ID. |
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| 159 | */ |
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| 160 | private function getAnswersForQuestion(int $questionId): array |
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| 177 | } |
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| 178 | |||
| 179 | /** |
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| 180 | * Retrieves feedbacks for a specific quiz. |
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| 181 | */ |
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| 182 | private function getFeedbacksForQuiz(int $quizId): array |
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| 183 | { |
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| 184 | $feedbacks = []; |
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| 185 | $quizResources = $this->course->resources[RESOURCE_QUIZ] ?? []; |
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| 186 | |||
| 187 | foreach ($quizResources as $quiz) { |
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| 188 | if ($quiz->obj->iid == $quizId) { |
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| 189 | $feedbacks[] = [ |
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| 190 | 'feedbacktext' => $quiz->obj->description ?? '', |
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| 191 | 'mingrade' => 0.00000, |
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| 192 | 'maxgrade' => $quiz->obj->grade ?? 10.00000, |
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| 193 | ]; |
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| 194 | } |
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| 195 | } |
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| 196 | |||
| 197 | return $feedbacks; |
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| 198 | } |
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| 199 | |||
| 200 | /** |
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| 201 | * Creates the quiz.xml file. |
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| 202 | */ |
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| 203 | private function createQuizXml(array $quizData, string $destinationDir): void |
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| 204 | { |
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| 205 | $xmlContent = '<?xml version="1.0" encoding="UTF-8"?>' . PHP_EOL; |
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| 206 | $xmlContent .= '<activity id="' . $quizData['id'] . '" moduleid="' . $quizData['moduleid'] . '" modulename="quiz" contextid="' . $quizData['contextid'] . '">' . PHP_EOL; |
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| 207 | $xmlContent .= ' <quiz id="' . $quizData['id'] . '">' . PHP_EOL; |
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| 208 | $xmlContent .= ' <name>' . htmlspecialchars($quizData['name']) . '</name>' . PHP_EOL; |
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| 209 | $xmlContent .= ' <intro>' . htmlspecialchars($quizData['intro']) . '</intro>' . PHP_EOL; |
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| 210 | $xmlContent .= ' <introformat>1</introformat>' . PHP_EOL; |
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| 211 | $xmlContent .= ' <timeopen>' . ($quizData['timeopen'] ?? 0) . '</timeopen>' . PHP_EOL; |
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| 212 | $xmlContent .= ' <timeclose>' . ($quizData['timeclose'] ?? 0) . '</timeclose>' . PHP_EOL; |
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| 213 | $xmlContent .= ' <timelimit>' . ($quizData['timelimit'] ?? 0) . '</timelimit>' . PHP_EOL; |
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| 214 | $xmlContent .= ' <overduehandling>' . ($quizData['overduehandling'] ?? 'autosubmit') . '</overduehandling>' . PHP_EOL; |
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| 215 | $xmlContent .= ' <graceperiod>' . ($quizData['graceperiod'] ?? 0) . '</graceperiod>' . PHP_EOL; |
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| 216 | $xmlContent .= ' <preferredbehaviour>' . htmlspecialchars($quizData['preferredbehaviour']) . '</preferredbehaviour>' . PHP_EOL; |
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| 217 | $xmlContent .= ' <canredoquestions>' . ($quizData['canredoquestions'] ?? 0) . '</canredoquestions>' . PHP_EOL; |
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| 218 | $xmlContent .= ' <attempts_number>' . ($quizData['attempts_number'] ?? 0) . '</attempts_number>' . PHP_EOL; |
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| 219 | $xmlContent .= ' <attemptonlast>' . ($quizData['attemptonlast'] ?? 0) . '</attemptonlast>' . PHP_EOL; |
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| 220 | $xmlContent .= ' <grademethod>' . $quizData['grademethod'] . '</grademethod>' . PHP_EOL; |
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| 221 | $xmlContent .= ' <decimalpoints>' . $quizData['decimalpoints'] . '</decimalpoints>' . PHP_EOL; |
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| 222 | $xmlContent .= ' <questiondecimalpoints>' . ($quizData['questiondecimalpoints'] ?? -1) . '</questiondecimalpoints>' . PHP_EOL; |
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| 223 | |||
| 224 | // Review options |
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| 225 | $xmlContent .= ' <reviewattempt>' . ($quizData['reviewattempt'] ?? 69888) . '</reviewattempt>' . PHP_EOL; |
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| 226 | $xmlContent .= ' <reviewcorrectness>' . ($quizData['reviewcorrectness'] ?? 4352) . '</reviewcorrectness>' . PHP_EOL; |
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| 227 | $xmlContent .= ' <reviewmarks>' . ($quizData['reviewmarks'] ?? 4352) . '</reviewmarks>' . PHP_EOL; |
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| 228 | $xmlContent .= ' <reviewspecificfeedback>' . ($quizData['reviewspecificfeedback'] ?? 4352) . '</reviewspecificfeedback>' . PHP_EOL; |
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| 229 | $xmlContent .= ' <reviewgeneralfeedback>' . ($quizData['reviewgeneralfeedback'] ?? 4352) . '</reviewgeneralfeedback>' . PHP_EOL; |
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| 230 | $xmlContent .= ' <reviewrightanswer>' . ($quizData['reviewrightanswer'] ?? 4352) . '</reviewrightanswer>' . PHP_EOL; |
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| 231 | $xmlContent .= ' <reviewoverallfeedback>' . ($quizData['reviewoverallfeedback'] ?? 4352) . '</reviewoverallfeedback>' . PHP_EOL; |
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| 232 | |||
| 233 | // Navigation and presentation settings |
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| 234 | $xmlContent .= ' <questionsperpage>' . $quizData['questionsperpage'] . '</questionsperpage>' . PHP_EOL; |
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| 235 | $xmlContent .= ' <navmethod>' . htmlspecialchars($quizData['navmethod']) . '</navmethod>' . PHP_EOL; |
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| 236 | $xmlContent .= ' <shuffleanswers>' . $quizData['shuffleanswers'] . '</shuffleanswers>' . PHP_EOL; |
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| 237 | $xmlContent .= ' <sumgrades>' . $quizData['sumgrades'] . '</sumgrades>' . PHP_EOL; |
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| 238 | $xmlContent .= ' <grade>' . $quizData['grade'] . '</grade>' . PHP_EOL; |
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| 239 | |||
| 240 | // Timing and security |
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| 241 | $xmlContent .= ' <timecreated>' . ($quizData['timecreated'] ?? time()) . '</timecreated>' . PHP_EOL; |
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| 242 | $xmlContent .= ' <timemodified>' . ($quizData['timemodified'] ?? time()) . '</timemodified>' . PHP_EOL; |
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| 243 | $xmlContent .= ' <password>' . (isset($quizData['password']) ? htmlspecialchars($quizData['password']) : '') . '</password>' . PHP_EOL; |
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| 244 | $xmlContent .= ' <subnet>' . (isset($quizData['subnet']) ? htmlspecialchars($quizData['subnet']) : '') . '</subnet>' . PHP_EOL; |
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| 245 | $xmlContent .= ' <browsersecurity>' . (isset($quizData['browsersecurity']) ? htmlspecialchars($quizData['browsersecurity']) : '-') . '</browsersecurity>' . PHP_EOL; |
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| 246 | $xmlContent .= ' <delay1>' . ($quizData['delay1'] ?? 0) . '</delay1>' . PHP_EOL; |
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| 247 | $xmlContent .= ' <delay2>' . ($quizData['delay2'] ?? 0) . '</delay2>' . PHP_EOL; |
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| 248 | |||
| 249 | // Additional options |
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| 250 | $xmlContent .= ' <showuserpicture>' . ($quizData['showuserpicture'] ?? 0) . '</showuserpicture>' . PHP_EOL; |
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| 251 | $xmlContent .= ' <showblocks>' . ($quizData['showblocks'] ?? 0) . '</showblocks>' . PHP_EOL; |
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| 252 | $xmlContent .= ' <completionattemptsexhausted>' . ($quizData['completionattemptsexhausted'] ?? 0) . '</completionattemptsexhausted>' . PHP_EOL; |
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| 253 | $xmlContent .= ' <completionpass>' . ($quizData['completionpass'] ?? 0) . '</completionpass>' . PHP_EOL; |
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| 254 | $xmlContent .= ' <completionminattempts>' . ($quizData['completionminattempts'] ?? 0) . '</completionminattempts>' . PHP_EOL; |
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| 255 | $xmlContent .= ' <allowofflineattempts>' . ($quizData['allowofflineattempts'] ?? 0) . '</allowofflineattempts>' . PHP_EOL; |
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| 256 | |||
| 257 | // Subplugin, if applicable |
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| 258 | $xmlContent .= ' <subplugin_quizaccess_seb_quiz>' . PHP_EOL; |
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| 259 | $xmlContent .= ' </subplugin_quizaccess_seb_quiz>' . PHP_EOL; |
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| 260 | |||
| 261 | // Add question instances |
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| 262 | $xmlContent .= ' <question_instances>' . PHP_EOL; |
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| 263 | foreach ($quizData['questions'] as $question) { |
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| 264 | $xmlContent .= ' <question_instance id="' . $question['id'] . '">' . PHP_EOL; |
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| 265 | $xmlContent .= ' <slot>' . $question['id'] . '</slot>' . PHP_EOL; |
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| 266 | $xmlContent .= ' <page>1</page>' . PHP_EOL; |
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| 267 | $xmlContent .= ' <requireprevious>0</requireprevious>' . PHP_EOL; |
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| 268 | $xmlContent .= ' <questionid>' . $question['id'] . '</questionid>' . PHP_EOL; |
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| 269 | $xmlContent .= ' <questioncategoryid>' . $question['questioncategoryid'] . '</questioncategoryid>' . PHP_EOL; |
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| 270 | $xmlContent .= ' <includingsubcategories>$@NULL@$</includingsubcategories>' . PHP_EOL; |
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| 271 | $xmlContent .= ' <maxmark>' . $question['maxmark'] . '</maxmark>' . PHP_EOL; |
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| 272 | $xmlContent .= ' </question_instance>' . PHP_EOL; |
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| 273 | } |
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| 274 | $xmlContent .= ' </question_instances>' . PHP_EOL; |
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| 275 | |||
| 276 | // Quiz sections |
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| 277 | $xmlContent .= ' <sections>' . PHP_EOL; |
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| 278 | $xmlContent .= ' <section id="'.$quizData['id'].'">' . PHP_EOL; |
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| 279 | $xmlContent .= ' <firstslot>1</firstslot>' . PHP_EOL; |
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| 280 | $xmlContent .= ' <shufflequestions>0</shufflequestions>' . PHP_EOL; |
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| 281 | $xmlContent .= ' </section>' . PHP_EOL; |
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| 282 | $xmlContent .= ' </sections>' . PHP_EOL; |
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| 283 | |||
| 284 | // Add feedbacks |
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| 285 | $xmlContent .= ' <feedbacks>' . PHP_EOL; |
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| 286 | foreach ($quizData['feedbacks'] as $feedback) { |
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| 287 | $xmlContent .= ' <feedback id="'.$quizData['id'].'">' . PHP_EOL; |
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| 288 | $xmlContent .= ' <feedbacktext>' . htmlspecialchars($feedback['feedbacktext']) . '</feedbacktext>' . PHP_EOL; |
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| 289 | $xmlContent .= ' <feedbacktextformat>1</feedbacktextformat>' . PHP_EOL; |
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| 290 | $xmlContent .= ' <mingrade>' . $feedback['mingrade'] . '</mingrade>' . PHP_EOL; |
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| 291 | $xmlContent .= ' <maxgrade>' . $feedback['maxgrade'] . '</maxgrade>' . PHP_EOL; |
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| 292 | $xmlContent .= ' </feedback>' . PHP_EOL; |
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| 293 | } |
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| 294 | $xmlContent .= ' </feedbacks>' . PHP_EOL; |
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| 295 | |||
| 296 | // Complete with placeholders for attempts and grades |
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| 297 | $xmlContent .= ' <overrides>' . PHP_EOL . ' </overrides>' . PHP_EOL; |
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| 298 | $xmlContent .= ' <grades>' . PHP_EOL . ' </grades>' . PHP_EOL; |
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| 299 | $xmlContent .= ' <attempts>' . PHP_EOL . ' </attempts>' . PHP_EOL; |
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| 300 | |||
| 301 | // Close the activity tag |
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| 302 | $xmlContent .= ' </quiz>' . PHP_EOL; |
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| 303 | $xmlContent .= '</activity>' . PHP_EOL; |
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| 304 | |||
| 305 | // Save the XML file |
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| 306 | $xmlFile = $destinationDir . '/quiz.xml'; |
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| 307 | if (file_put_contents($xmlFile, $xmlContent) === false) { |
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| 308 | throw new Exception(get_lang('ErrorCreatingQuizXml')); |
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| 309 | } |
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| 310 | } |
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| 311 | |||
| 312 | /** |
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| 313 | * Exports a question in XML format. |
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| 314 | */ |
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| 315 | public function exportQuestion(array $question): string |
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| 316 | { |
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| 317 | $xmlContent = ' <question id="' . ($question['id'] ?? '0') . '">' . PHP_EOL; |
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| 318 | $xmlContent .= ' <parent>0</parent>' . PHP_EOL; |
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| 319 | $xmlContent .= ' <name>' . htmlspecialchars($question['questiontext'] ?? 'No question text') . '</name>' . PHP_EOL; |
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| 320 | $xmlContent .= ' <questiontext>' . htmlspecialchars($question['questiontext'] ?? 'No question text') . '</questiontext>' . PHP_EOL; |
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| 321 | $xmlContent .= ' <questiontextformat>1</questiontextformat>' . PHP_EOL; |
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| 322 | $xmlContent .= ' <generalfeedback></generalfeedback>' . PHP_EOL; |
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| 323 | $xmlContent .= ' <generalfeedbackformat>1</generalfeedbackformat>' . PHP_EOL; |
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| 324 | $xmlContent .= ' <defaultmark>' . ($question['maxmark'] ?? '0') . '</defaultmark>' . PHP_EOL; |
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| 325 | $xmlContent .= ' <penalty>0.3333333</penalty>' . PHP_EOL; |
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| 326 | $xmlContent .= ' <qtype>' . htmlspecialchars(str_replace('_nosingle', '', $question['qtype']) ?? 'unknown') . '</qtype>' . PHP_EOL; |
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| 327 | $xmlContent .= ' <length>1</length>' . PHP_EOL; |
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| 328 | $xmlContent .= ' <stamp>moodle+' . time() . '+QUESTIONSTAMP</stamp>' . PHP_EOL; |
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| 329 | $xmlContent .= ' <version>moodle+' . time() . '+VERSIONSTAMP</version>' . PHP_EOL; |
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| 330 | $xmlContent .= ' <hidden>0</hidden>' . PHP_EOL; |
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| 331 | $xmlContent .= ' <timecreated>' . time() . '</timecreated>' . PHP_EOL; |
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| 332 | $xmlContent .= ' <timemodified>' . time() . '</timemodified>' . PHP_EOL; |
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| 333 | $xmlContent .= ' <createdby>2</createdby>' . PHP_EOL; |
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| 334 | $xmlContent .= ' <modifiedby>2</modifiedby>' . PHP_EOL; |
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| 335 | |||
| 336 | // Add question type-specific content |
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| 337 | switch ($question['qtype']) { |
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| 338 | case 'multichoice': |
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| 339 | $xmlContent .= $this->exportMultichoiceQuestion($question); |
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| 340 | break; |
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| 341 | case 'multichoice_nosingle': |
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| 342 | $xmlContent .= $this->exportMultichoiceNosingleQuestion($question); |
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| 343 | break; |
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| 344 | case 'truefalse': |
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| 345 | $xmlContent .= $this->exportTrueFalseQuestion($question); |
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| 346 | break; |
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| 347 | case 'shortanswer': |
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| 348 | $xmlContent .= $this->exportShortAnswerQuestion($question); |
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| 349 | break; |
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| 350 | case 'match': |
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| 351 | $xmlContent .= $this->exportMatchQuestion($question); |
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| 352 | break; |
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| 353 | } |
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| 354 | |||
| 355 | $xmlContent .= ' </question>' . PHP_EOL; |
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| 356 | |||
| 357 | return $xmlContent; |
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| 358 | } |
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| 359 | |||
| 360 | /** |
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| 361 | * Exports a multiple-choice question in XML format. |
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| 362 | */ |
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| 363 | private function exportMultichoiceQuestion(array $question): string |
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| 364 | { |
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| 365 | $xmlContent = ' <plugin_qtype_multichoice_question>' . PHP_EOL; |
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| 366 | $xmlContent .= ' <answers>' . PHP_EOL; |
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| 367 | foreach ($question['answers'] as $answer) { |
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| 368 | $xmlContent .= $this->exportAnswer($answer); |
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| 369 | } |
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| 370 | $xmlContent .= ' </answers>' . PHP_EOL; |
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| 371 | $xmlContent .= ' <multichoice id="' . ($question['id'] ?? '0') . '">' . PHP_EOL; |
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| 372 | $xmlContent .= ' <layout>0</layout>' . PHP_EOL; |
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| 373 | $xmlContent .= ' <single>1</single>' . PHP_EOL; |
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| 374 | $xmlContent .= ' <shuffleanswers>1</shuffleanswers>' . PHP_EOL; |
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| 375 | $xmlContent .= ' <correctfeedback>Your answer is correct.</correctfeedback>' . PHP_EOL; |
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| 376 | $xmlContent .= ' <correctfeedbackformat>1</correctfeedbackformat>' . PHP_EOL; |
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| 377 | $xmlContent .= ' <partiallycorrectfeedback>Your answer is partially correct.</partiallycorrectfeedback>' . PHP_EOL; |
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| 378 | $xmlContent .= ' <partiallycorrectfeedbackformat>1</partiallycorrectfeedbackformat>' . PHP_EOL; |
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| 379 | $xmlContent .= ' <incorrectfeedback>Your answer is incorrect.</incorrectfeedback>' . PHP_EOL; |
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| 380 | $xmlContent .= ' <incorrectfeedbackformat>1</incorrectfeedbackformat>' . PHP_EOL; |
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| 381 | $xmlContent .= ' <answernumbering>abc</answernumbering>' . PHP_EOL; |
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| 382 | $xmlContent .= ' <shownumcorrect>1</shownumcorrect>' . PHP_EOL; |
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| 383 | $xmlContent .= ' </multichoice>' . PHP_EOL; |
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| 384 | $xmlContent .= ' </plugin_qtype_multichoice_question>' . PHP_EOL; |
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| 385 | |||
| 386 | return $xmlContent; |
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| 387 | } |
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| 388 | |||
| 389 | /** |
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| 390 | * Exports a multiple-choice question with single=0 in XML format. |
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| 391 | */ |
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| 392 | private function exportMultichoiceNosingleQuestion(array $question): string |
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| 393 | { |
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| 394 | // Similar structure to exportMultichoiceQuestion, but with single=0 |
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| 395 | $xmlContent = str_replace('<single>1</single>', '<single>0</single>', $this->exportMultichoiceQuestion($question)); |
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| 396 | return $xmlContent; |
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| 397 | } |
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| 398 | |||
| 399 | /** |
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| 400 | * Exports a true/false question in XML format. |
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| 401 | */ |
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| 402 | private function exportTrueFalseQuestion(array $question): string |
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| 403 | { |
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| 404 | $xmlContent = ' <plugin_qtype_truefalse_question>' . PHP_EOL; |
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| 405 | $xmlContent .= ' <answers>' . PHP_EOL; |
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| 406 | foreach ($question['answers'] as $answer) { |
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| 407 | $xmlContent .= $this->exportAnswer($answer); |
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| 408 | } |
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| 409 | $xmlContent .= ' </answers>' . PHP_EOL; |
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| 410 | $xmlContent .= ' <truefalse id="' . ($question['id'] ?? '0') . '">' . PHP_EOL; |
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| 411 | $xmlContent .= ' <trueanswer>' . ($question['answers'][0]['id'] ?? '0') . '</trueanswer>' . PHP_EOL; |
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| 412 | $xmlContent .= ' <falseanswer>' . ($question['answers'][1]['id'] ?? '0') . '</falseanswer>' . PHP_EOL; |
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| 413 | $xmlContent .= ' </truefalse>' . PHP_EOL; |
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| 414 | $xmlContent .= ' </plugin_qtype_truefalse_question>' . PHP_EOL; |
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| 415 | |||
| 416 | return $xmlContent; |
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| 417 | } |
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| 418 | |||
| 419 | /** |
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| 420 | * Exports a short answer question in XML format. |
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| 421 | */ |
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| 422 | private function exportShortAnswerQuestion(array $question): string |
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| 423 | { |
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| 424 | $xmlContent = ' <plugin_qtype_shortanswer_question>' . PHP_EOL; |
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| 425 | $xmlContent .= ' <answers>' . PHP_EOL; |
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| 426 | foreach ($question['answers'] as $answer) { |
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| 427 | $xmlContent .= $this->exportAnswer($answer); |
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| 428 | } |
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| 429 | $xmlContent .= ' </answers>' . PHP_EOL; |
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| 430 | $xmlContent .= ' <shortanswer id="' . ($question['id'] ?? '0') . '">' . PHP_EOL; |
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| 431 | $xmlContent .= ' <usecase>0</usecase>' . PHP_EOL; |
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| 432 | $xmlContent .= ' </shortanswer>' . PHP_EOL; |
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| 433 | $xmlContent .= ' </plugin_qtype_shortanswer_question>' . PHP_EOL; |
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| 434 | |||
| 435 | return $xmlContent; |
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| 436 | } |
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| 437 | |||
| 438 | /** |
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| 439 | * Exports a matching question in XML format. |
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| 440 | */ |
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| 441 | private function exportMatchQuestion(array $question): string |
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| 475 | } |
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| 476 | |||
| 477 | /** |
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| 478 | * Exports an answer in XML format. |
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| 479 | */ |
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| 480 | private function exportAnswer(array $answer): string |
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| 489 | } |
||
| 490 | } |
||
| 491 | |||
| 492 |
If the size of the collection does not change during the iteration, it is generally a good practice to compute it beforehand, and not on each iteration: