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 …

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.

Make use of a procedural function instead of a variable and call them anywhere as you. I usually make a collection of configuration values and put them inside a function with the return …

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.

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 …

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

The opposite of this is a lcoal variable, which is a variable that can only be used in a certain part of a program. To create a global variable in PHP, all you have to do is put the keyword global in …

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 …