PHP Arrays and User-Defined Functions Quiz
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Questions and Answers

What is the syntax for declaring a user-defined function in PHP?

  • function name(param) //code to be executed by the function
  • function name(param) { //code to be executed by the function } (correct)
  • function name = (param) { //code to be executed by the function }
  • function name = (param) //code to be executed by the function
  • Which statement best describes a user-defined function in PHP?

  • A group of PHP statements that performs a specific task
  • A function that is built-in into PHP to perform some standard operations
  • A function that allows you to reuse the same code in different locations (correct)
  • A function that returns a value
  • Which of the following is an example of a function with no parameters?

  • function multiply(a, b) { return a * b; }
  • function square(x) { return x * x; }
  • function sum(a, b) { return a + b; }
  • function greet() { echo 'Hello!'; } (correct)
  • What does a function that returns a value do?

    <p>Returns a value to the caller</p> Signup and view all the answers

    What is a nested function in PHP?

    <p>A function defined inside another function</p> Signup and view all the answers

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