/**
* Initialize session.
* Set cookie path to path to current URI without file.
*
* @throw Exception if cannot start session
*/
public static function start()
{
if (!self::$session_created) {
$path = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
// remove file name from path
$path = substr($path, 0, strrpos($path, '/') + 1);
ob_start();
session_set_cookie_params(0, $path, null, HTTPS);
if (!session_start()) {
throw new Exception('Cannot start session.');
}
session_write_close();
ob_flush();
self::$session_created = true;
}
}
