Test PHP8

Test PHP with answers to assess your knowledge and prepare for job interviews. Assess your technical level in 20 minutes.

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Test details

Intermediate

September 2024

11 minutes

4.2/5(20)

PHP is an interpreted, imperative, and object-oriented language.
Mainly used for the creation of website and API, its use is evolving towards the creation of workers, machine learning, web scraping by controlling a browser thanks to Symfony Panther.
Version 8.0, released on November 26, 2020, follows previous version updates by improving the type system. This version also added a set of breaking changes and improvements in terms of performance.

About this quiz
The subjects covered will mainly be the changes brought by this new major version of PHP. Can you find valid syntaxes?
Have you taken enough time to explore what's new? Even JIT compiler, union types, attributes or named arguments ?
This quiz does not deal with any particular framework.
Only PHP under version 8.0 is discussed.
No knowledge of tools or ecosystem is necessary.

This test consists of 20 questions randomly selected from a database of 38 questions in PHP.Discover all our interview questions and answers here

⚠️ Ranking results of all timemay not be relevant because the test has not been taken enough times yet.

2609 points

2528 points

2488 points

2459 points

Test author : Dylan Ballandras - Stéphanie Trumtel

Presentation of the authors :

Dylan Ballandras, backend developer and member of AFUP.
Stéphanie Trumtel, backend developer and member of the AFUP Toulouse office

Contributors11

Sample question

What will this code display?

<?php

class Foo
{
    private ?string $bar;

    public function setBar(?string $secondLine): void
    {
        $this->bar = $secondLine;
    }

    public function getBar(): ?string
    {
        return $this->bar;
    }
}

$foo = new Foo();
echo $foo->getBar() ?? 'john doe';

See 38 test questions.Participate in test improvement

Developers ratings

Laurent

22/08/2024

Bonnes questions dans l'ensemble. Certaines n'ont pas trop de rapport avec le PHP8. Pas mal de piège dans les énoncés, un peu comme quand on passe le code de la route ^^. Le temps attribués à chaque question peut parfois être problématique vu le nombre de proposition de réponse à évaluer.

Yazan