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

144 interview questions on PHPfor developers (2024)

Test your technical skills before an interview of PHP with 144 corrected questions. Beginner, Intermediate or Expert level.

or
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
144
To review
0
144 questions
Easy
23 votes1429 runs1 comment

Explain the difference between the `include` and `require` functions in PHP.

Back-end developer
functions
errors
Vincent Cotroat Mar 24, 2023
Hard
8 votes1133 runs
5 comments

PHP code that throws an error.

Back-end developer
php
errors
Anonymous authorat Jan 4, 2022
Hard
7 votes2051 runs0 comment

Which of the following statements are true ?

Back-end developer
functions
variables
Théoat Mar 28, 2022
Medium
7 votes2045 runs3 comments

Which of the following statements are true ?

Back-end developer
php
arrays
Théoat Mar 28, 2022
Hard
6 votes2094 runs2 comments

What type of array is the following?

Back-end developer
arrays
multidimensional
bidimensional
Théoat Mar 28, 2022
Medium
5 votes1692 runs0 comment

Write a PHP class with a constant and a public method that outputs the constant.

Back-end developer
constants
classes
Théoat Mar 28, 2022
Medium
4 votes2132 runs0 comment

What is the value of the `PHP_FLOAT_MIN` variable?

Back-end developer
constants
float
Théoat Mar 28, 2022
Hard
4 votes1101 runs0 comment

Which of these PHP code snippets are valid?

Back-end developer
php
namespace
Julien Breuxat Dec 16, 2021
Medium
4 votes1045 runs2 comments

Is this function signature valid? ```php <?php interface Demo { public function bar(): ?mixed; } ```

Back-end developer
functions
interfaces
Anonymous authorat Jan 4, 2022
Medium
4 votes962 runs2 comments

PHP function with named and positional arguments.

Back-end developer
php
arrays
functions
Anonymous authorat Aug 26, 2024
Hard
3 votes1935 runs0 comment

Usage of the spaceship operator in a PHP loop.

Back-end developer
comparison
operators
Théoat Mar 28, 2022
Medium
3 votes1827 runs0 comment

Using the ternary operator to choose between two strings in PHP.

Back-end developer
ternary operator
strings
Théoat Mar 28, 2022
Medium
3 votes1535 runs0 comment

How to count the number of occurences of a pattern in a string in PHP

Back-end developer
functions
regular expressions
Théoat Mar 28, 2022
Medium
3 votes1372 runs0 comment

What is the `asort()` function for in PHP ?

Back-end developer
arrays
functions
Nick LAM YEE MANat Mar 28, 2023
Hard
3 votes1136 runs1 comment

What will this code display?

Back-end developer
php
null
empty
Julien Breuxat Dec 3, 2021
Medium
3 votes1116 runs0 comment

Display the first element of an array in PHP

Back-end developer
arrays
associative arrays
Julien Breuxat Dec 2, 2021
Hard
3 votes1091 runs4 comments

PHP code that throws a TypeError

Back-end developer
null
type-hinting
Anonymous authorat Mar 14, 2023
Medium
3 votes1048 runs2 comments

Use the match expression in PHP to print a string.

Back-end developer
match
default
Anonymous authorat Jan 4, 2022
Medium
3 votes979 runs0 comment

Check if a value is in an array in PHP

Back-end developer
arrays
strings
Anonymous authorat Jan 4, 2022
Easy
3 votes977 runs0 comment

Which function signature is valid?

Back-end developer
functions
types
Clément Devos (W3D Team)at Jan 4, 2022
PHP tests