PHP FUNCTION TEST-4

Why should we use functions?

• Easily maintained

• Reusability

• Easier error detection

• All of the above

How many categories of functions are there in PHP?

• 1

• 2

• 3

• 4

Which function is not a built-in function in PHP ?

• fopen()

• print()

• addNumber()

• gettype()

How to define a function in PHP?

• function {function body}

• datatype functionName(parameters) {function body}

• functionName(parameters) {function body}

• function functionName(parameters) {function body}

A function’s name cannot begin with a _______.

• number

• underscore

• alphabet

• Both A and B