Jamm\Memory\IRedisServer::MSetNX PHP Method

Set multiple keys to multiple values, only if none of the keys exist

public MSetNX ( array $keys ) : integer
$keys	array	(key => value) Returns: 1 if the all the keys were set. 0 if no key was set (at least one key already existed).
return	integer

    public function MSetNX(array $keys);

IRedisServer