In this code, the inc function uses the global keyword to access the $a variable declared at the top level. When it sets $a, ...

Have you ever heard the person who talks about the weather on TV say that the weather is going to be variable close variableA named piece of data (often a number or text) stored in a computer’s ...

Sub-programs, functions, procedures and methods make use of variables. Variables close variableA specific location in RAM (main memory) that stores a value used by a program can be declared as ...

Programming C without variables is like, well, programming C without variables. They are so essential to the language that it doesn’t even require an analogy here. We can declare and use them as ...