Variable scope ¶ The scope of a variable is the context within which it is defined. PHP has a function scope and a global scope. Any variable defined outside a function is limited to the …

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.

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.

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. …

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

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 …

Mar 2, 2025 · Learn global variables in PHP with examples, syntax to define global variable, difference between local variable and global variables in PHP