144 interview questions on PHP for developers (2025)

30 votes1870 runs1 comment

10 votes2510 runs0 comment

Théoat Mar 28, 2022

8 votes2594 runs0 comment

Théoat Mar 28, 2022

8 votes2552 runs

multidimensional

bidimensional

Théoat Mar 28, 2022

8 votes2470 runs

Théoat Mar 28, 2022

7 votes1943 runs0 comment

Théoat Mar 28, 2022

7 votes1312 runs

Anonymous authorat Jan 4, 2022

6 votes2340 runs

Théoat Mar 28, 2022

5 votes2489 runs0 comment

Théoat Mar 28, 2022

5 votes2417 runs

Théoat Mar 28, 2022

5 votes2189 runs0 comment

ternary operator

Théoat Mar 28, 2022

5 votes1749 runs0 comment

5 votes1115 runs2 comments

Anonymous authorat Aug 26, 2024

4 votes2198 runs0 comment

Théoat Mar 28, 2022

4 votes1702 runs0 comment

regular expressions

Théoat Mar 28, 2022

4 votes1217 runs2 comments

Anonymous authorat Jan 4, 2022

4 votes1202 runs2 comments

Anonymous authorat Jan 4, 2022

4 votes1174 runs

Julien Breuxat Dec 16, 2021

4 votes1120 runs0 comment

4 votes1104 runs0 comment

Anonymous authorat Jan 4, 2022

144 interview questions on PHPfor developers (2025)

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

144 interview questions on PHPfor developers (2025)

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

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

Which of the following statements are true ?

What is the value of the `PHP_FLOAT_MIN` variable?

What type of array is the following?

Which of the following statements are true ?

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

PHP code that throws an error.

Usage of the spaceship operator in a PHP loop.

What are the risks when running the following code ?

Usage of the global scope in a PHP function.

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

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

PHP function with named and positional arguments.

Write a PHP function that adds two numbers and returns an integer.

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

Use the match expression in PHP to print a string.

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

Which of these PHP code snippets are valid?

Which function signature is valid?

Attributes are metadata that can be added to classes, properties, constants or methods.