An array of super global variables for PHP

The PHP Super global variable Array (super Global Array), also known as the PHP predefined array, is built into the PHP engine and does not need to be redefined by the developer. Description: PHP Super global variable Array (super Global Array), also known as PHP predefined array, is built by the PHP engine and does not need to be redefined by the developer. PHP will automatically put some data in the Super Global array when the PHP script is running. PHP Super global variable $_get[] Get an array of variables submitted with a GET method $_post[] Get an array of variables submitted with the POST method $_cookie[] Gets and sets the COOKIE identity of the current Web site $_session[] A unique identifier for the current user access, expressed as an array, 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 when uploading the file, as an array of $_request[] contains all the requests submitted by the current script, $_get, $_post, $_cookie, $_session all actions $globals[] Contains references to all super global variables that are executing the script PHP System Constants __file__ the absolute path and file name of the current PHP program script __line__ The line number where the constant is stored __function__ the name of the function where the constant is stored __class__ stores the name of the class where the constant resides __ METHOD__ the name of the method that stores the class that contains the constant Php_version stores the current PHP version number, or it can be obtained through the phpversion () function. Php_os Store the current server's operating system

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