144 interview questions on PHP for developers (2025)

29 votes1805 runs1 comment

9 votes2448 runs0 comment

Théoat Mar 28, 2022

8 votes2410 runs

Théoat Mar 28, 2022

7 votes2528 runs0 comment

Théoat Mar 28, 2022

7 votes2489 runs

multidimensional

bidimensional

Théoat Mar 28, 2022

7 votes1908 runs0 comment

Théoat Mar 28, 2022

7 votes1287 runs

Anonymous authorat Jan 4, 2022

5 votes2427 runs0 comment

Théoat Mar 28, 2022

5 votes2355 runs

Théoat Mar 28, 2022

5 votes2282 runs

Théoat Mar 28, 2022

5 votes2140 runs0 comment

ternary operator

Théoat Mar 28, 2022

5 votes1697 runs0 comment

5 votes1091 runs2 comments

Anonymous authorat Aug 26, 2024

4 votes2146 runs0 comment

Théoat Mar 28, 2022

4 votes1679 runs0 comment

regular expressions

Théoat Mar 28, 2022

4 votes1193 runs2 comments

Anonymous authorat Jan 4, 2022

4 votes1179 runs2 comments

Anonymous authorat Jan 4, 2022

4 votes1166 runs

Julien Breuxat Dec 16, 2021

4 votes1099 runs0 comment

4 votes1081 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 ?

Which of the following statements are true ?

What is the value of the `PHP_FLOAT_MIN` variable?

What type of array is the following?

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?

Which function signature is valid?

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