Interface
the user ID is 68456b30abc4f
array(3) { ["userId"]=> string(13) "68456b30abc4f" ["username"]=> string(5) "trout" ["email"]=> string(9) "me@me.com" }the username after update is troutster
array(3) { ["userId"]=> string(13) "68456b30abc4f" ["username"]=> string(9) "troutster" ["email"]=> string(9) "me@me.com" }the username after delete is
array(3) { ["userId"]=> NULL ["username"]=> NULL ["email"]=> NULL }