Посмотрите наши предложения
NULL
array(0) { }
array(5) { ["HBInit"]=> bool(true) ["autoupgrade_checked"]=> bool(true) ["sso_facebook"]=> string(23) "6a538e63b105d2.13934164" ["state"]=> string(64) "576fabfda53e06f30383162f5c9f89d67a11d104d07981036003aa4a2befc1e4" ["linkedin_state"]=> string(10) "pGhqLkj3Mc" }