Variable Scope
Explore the concept of variable scope in PHP to understand the difference between local and global variables. Learn when variables are accessible inside functions and how to use the global keyword to modify global variables from within functions. This lesson also covers variable variables for dynamic function calls, helping you manage data visibility and use variables effectively in your programs.
We'll cover the following...
We'll cover the following...
Introduction
The scope of a variable refers to the variable’s visibility, i.e., which part of the program can access that variable.
Types of Variables
There are two types of variables depending on the scope (or visibility):
- local variables
- global variables
Local Variables
Variables that are defined within a ...