function writeToJson($userID)
{
$result = Dao::fetchData($userID);
//This will read result row by row
$branchIndex = 0;
$index = 1;
$i = 0;
$counter = 0;
while ($row = mysqli_fetch_assoc($result)) {
$counter++;
$i++;
if ($counter <= 240) {
$branch[$branchIndex][] = $row['question_id'];
}
if ($i == $index) {
$branchIndex++;
$i = 0;
if ($branchIndex == 16) {
$branchIndex = 0;
}
}
if ($counter == 16 || $counter == 48 || $counter == 112) {
$index = $index * 2;
$i = 0;
}
//question_id as key
$question_id = $row['question_id'];
$question[$question_id]['question'] = $row['question'];
$question[$question_id]['title'] = $row['title'];
$question[$question_id]['image_id'] = $row['image_id'];
$question[$question_id]['answers'] = $row['answers'];
$question[$question_id]['score'] = $row['score'];
$question[$question_id]['parent'] = $row['parent'];
$question[$question_id]['concept_name'] = $row['concept_name'];
}
//echo $counter;
//print_r($branch);
//print_r($question);
$data['branch'] = $branch;
$data['question'] = $question;
$json_string = json_encode($data);
$file = 'file.json';
file_put_contents($file, $json_string);
//return $data
}
