Insights into Company
← PHP & Laravel

Classes and Objects

Understand the idea. Compare it. Explain it. Test yourself.

Question 1 of 9

How do you define a typed PHP class?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 2 of 9

What are properties, constructors and methods?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 3 of 9

How does inheritance work in PHP?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 4 of 9

What is method overriding?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 5 of 9

What contract does an interface provide?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 6 of 9

When should you use an abstract class?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 7 of 9

What is a trait?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 8 of 9

How do static properties and methods work?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this
Question 9 of 9

How would you model JobPosting and FeaturedJobPosting?

Practice question · write your own answer
  • Define the concept in one or two sentences.
  • Give a small example and trace what happens.
  • Explain one limitation, trade-off, or common mistake.
Practice explaining this