array(0) {
}
<form action="/index.php" method="post">
<input type="radio" name="quiztype" id="names" value="names" checked onchange="this.form.submit()"><label for="names">Names</label>
<input type="radio" name="quiztype" id="symbols" value="symbols" onchange="this.form.submit()"><label for="symbols">Symbols</label>
<input type="radio" name="quiztype" id="showall" value="showall" onchange="this.form.submit()"><label for="showall">Show All</label>
int(34)
int(52)