PHP function

Which of the following is NOT a valid PHP function naming convention?

• camelCase

• PascalCase

• snake_case

• kebab-case

What does the recursion mean in the context of functions?

• Calling a function within itself.

• Calling multiple functions simultaneously.

• Creating an infinite loop in the function.

• Defining a function inside another function.

What is the purpose of the static keyword in a function definition?

• It restricts the function from being called.

• It indicates that the function is a special PHP function.

• It allows the function to be called without instantiating its class.

• It prevents any modification to the function's code.

Which keyword is used to make a function accessible outside of its defining scope?

• Global scope

• Local scope within the function

• Class scope

• Function scope outside the function

Which keyword is used to make a function accessible outside of its defining scope?

• private

• public

• protected

• static

How do you pass arguments to a function in PHP?

• By using the $_GET superglobal variable

• By declaring the arguments within the function body

• By separating the arguments with commas within the parentheses

• By using the global keyword inside the function

What is a function in PHP?

• A variable that stores a value

• A block of code that performs a specific task

• An object-oriented programming feature

• A database management system

Which keyword is used to define a function in PHP?

• def

• func

• function

• define

What is the syntax for calling a function in PHP?

• functionName();

• function functionName();

• call functionName();

• functionName call();

What is the purpose of a return statement in a function?

• It terminates the function execution.

• It defines the function name.

• It displays an error message.

• It specifies the value to be returned from the function.