/**
* 前頁のURLを取得
*
* @return void
*/
public function lfGetCartPrevUrl(&$session, $referer)
{
if (!preg_match('/cart/', $referer)) {
if (!empty($session['cart_referer_url'])) {
$session['cart_prev_url'] = $session['cart_referer_url'];
unset($session['cart_referer_url']);
} else {
if (preg_match('/entry/', $referer)) {
$session['cart_prev_url'] = HTTPS_URL . 'entry/kiyaku.php';
} else {
$session['cart_prev_url'] = $referer;
}
}
}
// 妥当性チェック
if (!Utils::sfIsInternalDomain($session['cart_prev_url'])) {
$session['cart_prev_url'] = '';
}
}