Free quiz · 40 questions in the bank

PHP 7 Quiz

Answer 10 random questions about PHP 7, then see your score and why each answer is right. Every attempt draws a new set.

Sample questions

What was the main source of PHP 7.0's performance gains over PHP 5.6?
What does $a ?? 'default' return if $a is set to 0?
What does 5 <=> 3 evaluate to?
In PHP 7, which statement about Error and Exception is true?
With declare(strict_types=1), calling function f(float $x) with f(5) will...

All quizzes · Sign in to save your scores and get the questions you miss back in Daily Review.