The global keyword ¶ The global keyword is used to bind a variable from a global scope into a local scope. The keyword can be used with a list of variables or a single variable. A local variable will be …

Definition and Usage The global keyword imports variables from the global scope into the local scope of a function.

48 If a variable is declared outside of a function, it’s already in the global scope. So there isn't any need to declare it. But from where you’re calling this variable, it must have access to this variable. If you …

Jul 11, 2025 · Global variables refer to any variable that is defined outside of the function. Global variables can be accessed from any part of the script i.e. inside and outside of the function.

Apr 16, 2025 · PHP global keyword tutorial shows how to use global variables in PHP. Learn variable scope with practical examples.

Learn PHP Global Variables in depth. Understand scope, superglobals like $GLOBALS, $_SERVER, $_POST, $_GET, $_SESSION, $_COOKIE, and how to use them with real-world examples.

The "global" keyword is used in PHP to access a variable declared outside the current function or class. In this article, we will explore the syntax and usage

In PHP, any variable that can be accessed from anywhere in a PHP script is called as a global variable. If the variable is declared outside all the functions or classes in the script, it becomes a global …