Summary of PHP super global variables array

php list of super global variables

$_GET[] gets the array of variables submitted in the GET method

$_POST[] gets the array of variables submitted in the POST method

$_COOKIE[] gets and sets the Cookie identity for the current website

$_SESSION[] gets the 1-only id currently accessed by the user in an array, such as sessionid and custom session data

$_ENV[] current php environment variable array

$_SERVER[] current php server variable array

$_FILES[] the parameter values submitted to the current script when the file is uploaded, as an array

$_REQUEST[] contains all the requests submitted by the current script,

All actions of $_GET, $_POST, $_COOKIE, $_SESSION

$GLOBALS[] contains references to all the super global variables that are executing the script

PHP system constant

S the absolute path and file name of the current PHP program script

S 50en__ store the line number of this constant

S 53en__ the name of the function in which the constant is stored

S 56en__ the name of the class in which the constant is stored

S 59en__ the name of the method on which the constant is stored

PHP_VERSION stores the current version number of PHP, which can also be obtained through the PHPVERSION() function.

PHP_OS stores the operating system of the current server