Global variables are variables that can be accessed from any scope. Variables of the outer most scope are automatically global variables, and can be used by any scope, e.g. inside a function.

PHP implements the static and global modifier for variables in terms of references. For example, a true global variable imported inside a function scope with the global statement actually creates a …

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.

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.

Welcome to phponline.in, your trusted PHP learning hub. In this detailed course page, we’ll explore PHP Global Variables, which are a fundamental concept in PHP programming. Understanding global …

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

PHP Global Variables - Superglobals Some predefined variables in PHP are "superglobals", which means that they are always accessible, regardless of scope - and you can access them from any …

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 …