Посмотрите наши предложения
NULL
array(0) { }
array(5) { ["HBInit"]=> bool(true) ["autoupgrade_checked"]=> bool(true) ["sso_facebook"]=> string(23) "6a5f50449eeca6.70599209" ["state"]=> string(64) "8ded888d0fa92b5d1ba9d650dbeec66b477d60c731db2a7abb2f0eb59783d874" ["linkedin_state"]=> string(10) "2XP3VhCGlx" }