/**
* This function converts the submitted array and makes it ready it for storage
*
* Creating a single array of all question types including file id's to be stored
* as comment meta by the calling function.
*
* @since 1.7.4
* @access public
*
* @param array $unprepared_answers
* @param $files
* @return array
*/
public static function prepare_form_submitted_answers($unprepared_answers, $files)
{
global $woothemes_sensei;
$prepared_answers = array();
// validate incoming answers
if (empty($unprepared_answers) || !is_array($unprepared_answers)) {
return false;
}
// Loop through submitted quiz answers and save them appropriately
foreach ($unprepared_answers as $question_id => $answer) {
//get the current questions question type
$question_type = $woothemes_sensei->question->get_question_type($question_id);
// Sanitise answer
if (0 == get_magic_quotes_gpc()) {
$answer = wp_unslash($answer);
}
// compress the answer for saving
if ('multi-line' == $question_type) {
$answer = esc_html($answer);
} elseif ('file-upload' == $question_type) {
$file_key = 'file_upload_' . $question_id;
if (isset($files[$file_key])) {
$attachment_id = WooThemes_Sensei_Utils::upload_file($files[$file_key]);
if ($attachment_id) {
$answer = $attachment_id;
}
}
}
// end if
$prepared_answers[$question_id] = base64_encode(maybe_serialize($answer));
}
// end for each $quiz_answers
return $prepared_answers;
}