39 interview questions for developers (2024)

6 votes946 runs2 comments

Anonymous authorat Jan 4, 2022

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Damienat Sep 5, 2023

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Anonymous authorat Jan 4, 2022

2 votes616 runs2 comments

nullsafe operator

Anonymous authorat Oct 6, 2023

2 votes106 runs1 comment

1 vote906 runs3 comments

type-hinting

Anonymous authorat Mar 14, 2023

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Anonymous authorat Jan 4, 2022

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Anonymous authorat Jan 4, 2022

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Damienat Sep 5, 2023

39 interview questionsfor developers (2024)

Test your developer skills before an interview with 39 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

39 interview questionsfor developers (2024)

Test your developer skills before an interview with 39 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

PHP code that throws an error.

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

Which function signature is valid?

PHP function with named and positional arguments.

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

Is the following code possible in PHP 8? ```php $name = ‘my_argument_name’; $value = 25; myFunction($name: $value); ```

Use the match expression in PHP to print a string.

Check if a value is in an array in PHP

Is this PHP code valid?

Is this class valid? ```php <?php abstract class Test{ abstract public function __construct(private $x); } ```

Write a PHP script that displays the sum of two numbers.

Write to a nullsafe property in PHP

How to use the `__construct()` method in PHP.

PHP code that throws a TypeError

Create a class Foo with a public property amount and a constructor that takes a Currency object and an integer.

Implement the abstract method of the Trait in the class.

What are the new string processing functions introduced in PHP8?

Display the name of the user associated with an article in PHP

Print the class name of a PHP object

Create an array with 3 elements using array_fill()