Is PHP Case-Sensitive? | PHP Variables and Functions Explained
Category: Php
Yes, PHP is case-sensitive for variables, meaning $Name and $name are treated as different variables. However, function names, class names, and keywords (such as if, echo, etc.) are not case-sensitive.
🧠 Example:
$Name = "John"; echo $name; // Undefined variable: $name
In this example, $Name is defined, but $name is not—so PHP will throw an "undefined variable" notice.