$argc
$argv
$_COOKIE
$_ENV
$_FILES
$_GET
$GLOBALS
$HTTP_COOKIE_VARS
$HTTP_ENV_VARS
$HTTP_GET_VARS
$HTTP_POST_FILES
$HTTP_POST_VARS
$HTTP_RAW_POST_DATA
$HTTP_REQUEST_VARS
$HTTP_SERVER_VARS
$_POST
$_REQUEST
$_SERVER
$_SESSION