1# $_ Variables are referred to as Superglobals
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3$GLOBALS # Global Variables, think _G in lua
4$_SERVER # Miscellanous information, such as argv and argc!
5$_GET # Get URL Parameters
6$_POST # Variables passed via the POST method
7$_FILES # Files uploaded to the script
8$_COOKIE # HTTP Cookies
9$_SESSION # Session Variables
10$_REQUEST # Contains request info like $_GET, $_POST and $_COOKIE
11$_ENV # Environment variables, just as youd expect
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