$GLOBALS
$_SERVER
$_GET
$_POST
$_FILES
$_REQUEST
$_SESSION
$_ENV
$_COOKIE
$php_errormsg
$HTTP_RAW_POST_DATA
$http_response_header
$argc
$argv

----------------------------------------------------

[
	["global", "$GLOBALS"],
	["global", "$_SERVER"],
	["global", "$_GET"],
	["global", "$_POST"],
	["global", "$_FILES"],
	["global", "$_REQUEST"],
	["global", "$_SESSION"],
	["global", "$_ENV"],
	["global", "$_COOKIE"],
	["global", "$php_errormsg"],
	["global", "$HTTP_RAW_POST_DATA"],
	["global", "$http_response_header"],
	["global", "$argc"],
	["global", "$argv"]
]

----------------------------------------------------

Checks for superglobals.