for ($i = 0; $i < count($_POST['hoges']); $i++) は危ない
<input type="checkbox" name="hoge[1]" value="hoge"> hoge <input type="checkbox" name="hoge[5]" value="fuga"> fuga
for ($i = 0; $i < count($_POST['hoges']); $i++) { print $i . " => " . $_POST['hoges'] //undefined offset }
- after
foreach ($_POST['hoges'] as $i => $hoge) { print $i . " => " . $hoge; }