PHP super global variable list

Name	Function Description
$ _ Get []	Get the variable array submitted in the get Method
$ _ Post []	Get the variable array submitted in the post method
$ _ Cookie []	Obtain and set the cookie ID of the current website
$ _ Session []	Obtains the unique access ID of the current user, represented in arrays, such as sessionid and custom session data.
$ _ Env []	Current PHP environment variable array
$ _ Server []	Current PHP server variable array
$ _ FILES []	The parameter value submitted to the current script during file upload, which is represented in arrays.
$ _ Request []	Contains all the requests submitted by the current script, including $ _ Get, $ _ post, $ _ cookie, and $ _ Session.
$ Globals []	This super variable array contains references to all super global variables in the script being executed.