Посмотрите наши предложения
NULL
array(0) { }
array(5) { ["HBInit"]=> bool(true) ["autoupgrade_checked"]=> bool(true) ["state"]=> string(64) "b1c78b5abd4a2feac7c8f50795b950c8f1a7ef7e45115dd81928ca16b9e3b06b" ["sso_facebook"]=> string(23) "6a12b469403853.29060714" ["linkedin_state"]=> string(10) "qWpo6z0xB7" }