144 interview questions on PHP for developers (2025)

32 votes1948 runs1 comment

10 votes2584 runs0 comment

Théoat Mar 28, 2022

8 votes2668 runs0 comment

Théoat Mar 28, 2022

8 votes2626 runs

multidimensional

bidimensional

Théoat Mar 28, 2022

8 votes2542 runs

Théoat Mar 28, 2022

7 votes1993 runs0 comment

Théoat Mar 28, 2022

7 votes1340 runs

Anonymous authorat Jan 4, 2022

6 votes2559 runs0 comment

Théoat Mar 28, 2022

6 votes2483 runs

Théoat Mar 28, 2022

6 votes2403 runs

Théoat Mar 28, 2022

5 votes2248 runs0 comment

ternary operator

Théoat Mar 28, 2022

5 votes1811 runs0 comment

5 votes1136 runs2 comments

Anonymous authorat Aug 26, 2024

4 votes2261 runs0 comment

Théoat Mar 28, 2022

4 votes1732 runs0 comment

regular expressions

Théoat Mar 28, 2022

4 votes1241 runs2 comments

Anonymous authorat Jan 4, 2022

4 votes1224 runs2 comments

Anonymous authorat Jan 4, 2022

4 votes1179 runs

Julien Breuxat Dec 16, 2021

4 votes1147 runs

Anonymous authorat Jan 4, 2022

4 votes1140 runs0 comment

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.

What are the risks when running the following code ?

Usage of the global scope in a PHP function.

Usage of the spaceship operator in a PHP loop.

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?

Check if a value is in an array in PHP

Which function signature is valid?