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48 interview questionsfor developers (2024)

Test your developer skills before an interview with 48 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

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Hard
6 votes1743 runs2 comments

What type of array is the following?

Back-end developer
arrays
multidimensional
bidimensional
Théoat Mar 28, 2022
Hard
5 votes1707 runs0 comment
Medium
4 votes1800 runs0 comment
Medium
4 votes1720 runs
2 comments
Medium
3 votes1071 runs0 comment
Medium
2 votes1697 runs0 comment
Hard
2 votes1617 runs0 comment
Medium
2 votes1592 runs0 comment
Medium
2 votes1537 runs0 comment
Medium
2 votes1411 runs0 comment
Medium
2 votes788 runs2 comments

Usage of the null coalescing operator in PHP

Back-end developer
ternary operator
null coalescing operator
Théoat Mar 28, 2022
Hard
1 vote1653 runs0 comment
Medium
1 vote1572 runs0 comment
Easy
1 vote1543 runs0 comment
Easy
1 vote1314 runs0 comment

Pass by reference in PHP

Back-end developer
functions
references
Théoat Mar 28, 2022
Hard
1 vote1144 runs0 comment