Olah Data Soal Pilihan Ganda di PHP

<?php







$soals = array(
    11=>'Soal 1',
    12=>'Soal 2',
    13=>'Soal 3',
    14=>'Soal 4',
    15=>'Soal 5'
);
$jawabans = array(
    11=>array(1=>'jawaban 1.1', 2=>'jawaban 1.2', 3=>'jawaban 1.3'),
    12=>array(4=>'jawaban 2.1', 5=>'jawaban 2.2', 6=>'jawaban 2.3'),
    13=>array(7=>'jawaban 3.1', 8=>'jawaban 3.2', 9=>'jawaban 3.3'),
    14=>array(10=>'jawaban 4.1', 11=>'jawaban 4.2', 12=>'jawaban 4.3'),
    15=>array(13=>'jawaban 5.1', 14=>'jawaban 5.2', 15=>'jawaban 5.3')
);


echo "<form action=\"\" method=\"post\"><ol>";
foreach($soals as $idsoal=>$soal){
    echo "<li><input type=\"hidden\" name=\"soal[$idsoal]\" value=\"$idsoal\" />$soal
    <ol type=\"a\">";
        foreach($jawabans[$idsoal] as $idjawaban=>$jawaban){
            echo "<li><label><input type=\"radio\" name=\"jawaban[$idsoal]\" value=\"$idjawaban\" /> $jawaban</label></li>";
        }
    echo "</ol></li>";
}
echo "</ol>
<input type=\"submit\" name=\"proses\" value=\"Proses\" />
</form>";