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PHP $GLOBALS $GLOBALS is a PHP super global variable which is used to access global variables from anywhere in the PHP script (also from within functions or methods). PHP stores all global variables in an array called $GLOBALS[index]. The index holds the name of the variable. The example below shows how to use the super global variable $GLOBALS ...
As of PHP 8.1.0, $GLOBALS is now a read-only copy of the global symbol table. That is, global variables cannot be modified via its copy. Previously, $GLOBALS array is excluded from the usual by-value behavior of PHP arrays and global variables can be modified via its copy.
This document discusses superglobal variables in PHP. It defines superglobal variables as predefined global variables that are available in all scopes without needing to be declared global. It then lists and provides examples of the main superglobal variables in PHP, including $GLOBALS, $_SERVER, $_REQUEST, $_POST, $_GET, $_FILES, $_ENV ...
To use a global variable inside a function you have to either define them as global with the global keyword, or refer to them by using the $GLOBALS syntax.
23 lis 2012 · The $GLOBALS array can be used instead: $GLOBALS['a'] = 'localhost'; function body(){ echo $GLOBALS['a']; } From the Manual: An associative array containing references to all variables which are currently defined in the global scope of the script. The variable names are the keys of the array.
PHP uses special predefined associative arrays called superglobal variables that allow the programmer to easily access HTTP headers, query string parameters,
14 gru 2023 · $GLOBALS is a PHP superglobal variable that provides access to all global variables in a script. These global variables include those declared outside functions or classes, making them accessible from anywhere within the script.
