PHP super global variable list

Name Function Description

$_GET[] Get the variable array submitted by the GET method

$_POST[] Get the variable array submitted by the POST method

$_COOKIE[] Get and set the cookie identifier of the current website

$_SESSION [] Obtain the unique identification of the current user access, in the form of an array, such as SESSIONID and custom SESSION data

$_ENV[] Current PHP environment variable array

$_SERVER[] Current PHP server variable array

$_FILES[ ] Parameter values ​​submitted to the current script when uploading files, expressed in the form of an array

$_REQUEST[] Contains all requests submitted by the current script, including all actions of $_GET, $_POST, $_COOKIE, $_SESSION

$GLOBALS [] This super variable array contains references to all super global variables in the executing script