我需要进行类似测验的开发。我有3个表: quiz,quiz_questions,quiz_questions_answers。我以表格形式呈现这样的问题/答案。<?php foreach ($modelQuestions as $modelQuestion): ?> <?= $modelQuestion->question ?> <br/> <?= $form->field($modelMatch, 'answer[]')->textarea(['rows' => 6]) ?><?php endforeach; ?>在控制器中,我需要保存id_quiz并obs在表中quiz,但是我需要将其保存在quiz_questions_answers像这样的多对多表中id_quiz,id_question并且answer需要每个答案。我正在foreach循环中尝试此操作,但是如何获得每个答案的“ id_question”?public function actionCreate() { $model = new Quiz(); $modelMatch = new QuizQuestionsAnswers(); $modelQuestions = QuizQuestions::find()->all(); if ($model->load(Yii::$app->request->post()) && $modelMatch->load(Yii::$app->request->post())){ $model->save(); foreach ($modelMatch->answer as $answer) { $modelMatch = new QuizQuestionsAnswers(); $modelMatch->id_quis = $model->id; $modelMatch->id_question = ????; $modelMatch->answer = $answer; $modelMatch->save(); } return $this->redirect(['view', 'id' => $model->id]); } else { return $this->render('create', [ 'model' => $model, 'modelMatch' => $modelMatch, 'modelQuestions' => $modelQuestions, ]); } }这是一个方案创建,并且在我需要为方案更新做好准备之后。我迷路了..模式数据库为:
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