0, 'path' => '/', 'domain' => '', 'secure' => true, 'httponly' => true, 'samesite' => 'Lax' ]); session_start(); $_SESSION = array(); session_regenerate_id(true); session_destroy(); if (isset($_SERVER['HTTP_COOKIE'])) { $cookies = explode(';', $_SERVER['HTTP_COOKIE']); foreach ($cookies as $cookie) { $parts = explode('=', $cookie); $name = trim($parts[0]); // Cookie削除(パスとドメインを指定) setcookie($name, '', time() - 3600, '/'); setcookie($name, '', time() - 3600, '/', $_SERVER['HTTP_HOST']); } } ?>