获取值复选框

a_moip和a_google_analy在数据库中与其他字符串

<?
@$c_google = $_POST['c_google_analystics'];
@$c_moip = $_POST['c_moip'];
$code = $_POST['google_analystic'];
$token = $_POST['moip_token'];
$key = $_POST['moip_key'];
if(isset($c_google) or isset($c_moip)) {
    if(!isset($c_google)) {
        $c_google == 0;
        $code == NULL;
    }
    else {
        $c_google == 1;
    }
    if(!isset($c_moip)) {
        $c_moip == 0;
        $key == NULL;
        $token == NULL;
    }
    else {
        $c_moip == 1;
    }
    $q = new Query;
    $q
            ->update('config')
            ->set(
                    array(
                        'a_google_analy' => $c_google,
                        'a_moip' => $c_moip,
                        'google_analy' => $code,
                        'moip_token' => $token,
                        'moip_key' => $key
                    )
            )
            ->where_equal_to(
                    array(
                        'id' => 1 // bug fix
                    )
            )
            ->run();
}
else {
    $q = new Query;
    $q
            ->update('config')
            ->set(
                    array(
                        'a_google_analy' => 0,
                        'a_moip' => 0,
                        'google_analy' => NULL,
                        'moip_token' => NULL,
                        'moip_key' => NULL
                    )
            )
            ->where_equal_to(
                    array(
                        'id' => 1 // bug fix
                    )
            )
            ->run();
}
?>

我在数组中做了一个打印，变量没有被处理，总是出现当它被选中'on'