Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>IT Tests>Questions

58 interview questionsfor developers (2024)

Test your developer skills before an interview with 58 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

or
Technology
Profession
Sort by
Newest
Most popular
Last review
Filter by
Published
3480
To review
6
58 questions
Hard
4 votes1026 runs0 comment

Which of these PHP code snippets are valid?

Back-end developer
php
namespace
Julien Breuxat Dec 16, 2021
Expert
2 votes1061 runs1 comment

What will this code display?

Back-end developer
php
null
empty
Julien Breuxat Dec 3, 2021
Hard
2 votes1056 runs0 comment

Which of the following statements are correct?

Back-end developer
interfaces
classes
Julien Breuxat Dec 3, 2021
Medium
2 votes1050 runs0 comment

Display the first element of an array in PHP

Back-end developer
arrays
associative arrays
Julien Breuxat Dec 2, 2021
Expert
1 vote1056 runs1 comment

List the reserved keywords in PHP

Back-end developer
keywords
Julien Breuxat Dec 3, 2021
Hard
1 vote1036 runs1 comment

Which of the following are PHP framework names?

Back-end developer
framework
php
Julien Breuxat Dec 1, 2021
Medium
1 vote1035 runs0 comment

Why is the Singleton design pattern considered an anti-pattern?

Back-end developer
design patterns
singleton
Julien Breuxat Dec 1, 2021
Medium
1 vote1024 runs1 comment

Write a function that checks if a string contains a substring.

Back-end developer
functions
strings
Julien Breuxat Dec 16, 2021
Hard
1 vote215 runs0 comment

Explain the advantages of using classes in PHP.

Back-end developer
classes
object oriented programming
Yves Astierat Dec 1, 2021
Hard
0 vote1053 runs0 comment

Write a PHP function that takes an arbitrary number of integers as arguments and returns their sum.

Back-end developer
functions
arrays
Julien Breuxat Dec 3, 2021
Hard
0 vote1048 runs0 comment

What is the value of `MyClass :: class_name`?

Back-end developer
constants
class
Julien Breuxat Dec 1, 2021
Easy
0 vote1045 runs0 comment

How to declare an empty return in PHP 7.1

Back-end developer
functions
return
Julien Breuxat Dec 3, 2021
Medium
0 vote1044 runs0 comment

What is the PSR4 used for?

Back-end developer
autoloading
psr4
Julien Breuxat Dec 3, 2021
Hard
0 vote1042 runs0 comment

What will this code display?

Back-end developer
comparison
boolean
Julien Breuxat Dec 16, 2021
Medium
0 vote1040 runs0 comment

Is this PHP code valid?

Back-end developer
arrays
constants
Julien Breuxat Dec 3, 2021
Medium
0 vote1040 runs0 comment

Which design pattern would allow me to easily instantiate an object knowing only its interface?

Back-end developer
design pattern
factory
Julien Breuxat Dec 2, 2021
Hard
0 vote1038 runs0 comment

What will this code display?

Back-end developer
php
null
empty
Julien Breuxat Dec 16, 2021
Medium
0 vote1037 runs0 comment

Is it possible to use anonymous class in PHP?

Back-end developer
classes
objects
Julien Breuxat Dec 3, 2021
Medium
0 vote1036 runs0 comment

Write a PHP code that prints 1, 2, 3, 4

Back-end developer
functions
yield
Julien Breuxat Dec 1, 2021
Expert
0 vote1032 runs0 comment

What design pattern would allow me to use `Symfony \ Component \ HttpFoundation \ Request` and` Symfony \ Component \ HttpFoundation \ Response` on an object that respects the following interface: ```php <?php interface Middleware { public function __invoke( Psr\Http\Message\ServerRequestInterface $request, Psr\Http\Message\ResponseInterface $response, callable $next= null ): Psr\Http\Message\ResponseInterface; } ```

Back-end developer
design pattern
interface
Julien Breuxat Dec 16, 2021