google_forms/application/models/New_form_model.php

<?php
class New_form_model extends CI_Model {

    public function save_form_data($formId, $formData) {
        if (!$formId) {
            return false; // Handle error if formId is not valid
        }
        
        $questions_array = $formData['questions'];
        
        foreach ($questions_array as $question) {
            $questionData = [
                'form_id' => $formId,
                'text' => $question['text'],
                'type' => $question['type'],
                'required' => ($question['required'] == 'true') ? 1 : 0
            ];

            $this->db->insert('questions', $questionData);
            $questionId = $this->db->insert_id(); // Get the inserted question_id

            // Handle options for multiple-choice, checkboxes, and dropdown questions
            if ($question['type'] === 'multiple-choice' || $question['type'] === 'checkboxes' || $question['type'] === 'dropdown') {
                foreach ($question['options'] as $option) {
                    $optionData = [
                        'question_id' => $questionId,
                        'option_text' => $option
                    ];
                    // Insert option into options table
                    $this->db->insert('options', $optionData);
                }
            }
        }

        return true; // Return true indicating success
    }
}
?>