/**
* @param string|null $id
* @return string
* @throws SessionException
*/
public function start(string $id = null) : string
{
// Check if session has already been started
if ($this->session instanceof ComelySession) {
throw SessionException::sessionExists();
}
// Read Session
$sessionId = $id ?? $_COOKIE["COMELYSESSID"] ?? null;
if (isset($sessionId)) {
// Session ID found, attempt to read
$this->resume($sessionId);
}
// Check if we got ComelySession from read
if (!$this->session instanceof ComelySession) {
$this->create();
}
// Register shutdown handler
register_shutdown_function([$this, "write"]);
// Save cookie
$this->sessionCookie($this->session->getId());
// Return session Id
return $this->session->getId();
}
