/**
* PersistentClientSocket constructor.
*
* @param string|null $persistentKey Key in php persistent storage to allow multiple persistent
* connections to the same host [a-zA-Z0-9_-]
*/
public function __construct($persistentKey = null)
{
parent::__construct();
$this->persistentKey = $persistentKey;
}
/**
* AcceptedSocket constructor.
*
* @param resource $acceptedResource Accepted client socket
*/
public function __construct($acceptedResource)
{
parent::__construct();
$this->acceptedResource = $acceptedResource;
}