function normalize_punctuation($str)
{
global $OP_COMMA, $OP_PERIOD;
$ops = lexify_punctuation($str);
$ops = simplify_punctuation($ops);
if ($ops and $ops[count($ops) - 1] === $OP_COMMA) {
$ops[count($ops) - 1] = $OP_PERIOD;
}
return serialize_sentence_part($ops);
}
$wrap = $quiz->get_wrap();
if ($wrap) {
$result_json[] = ["wrap", $wrap];
}
$help = $quiz->get_help();
if ($help) {
$result_json[] = ["help", $help];
}
$cquiz_answers = [];
$_mini = [];
$allow_space = FALSE;
$n = 0;
$cquiz_answers = [];
$refresh = function ($finish = false) use(&$result_json, &$_mini, &$allow_space, &$cquiz_answers) {
if ($_mini) {
$result_json[] = ["text", serialize_sentence_part($_mini, $allow_space) . (($finish and $allow_space) ? " " : "")];
$_mini = [];
}
};
$dopick = function ($answer, $mode = TRUE) use(&$reason, &$selections) {
return $mode ? do_pick($answer, NULL, $selections, $reason) : _process_value($answer, $selections, defaultDB());
};
foreach ($sentence as $word) {
if (ISHTML($word)) {
$refresh();
$result_json[] = ["html", $word->text];
} elseif ($word === $OP_MULTIPLE_CHOICE or $word === $OP_MATCHING_CHOICES) {
$refresh(1);
$shuffle = true;
$stop = FALSE;
$correct = [];
function serialize_sentence($vector)
{
return serialize_sentence_part($vector) . ".";
}
