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48 interview questions on PHP - Fundamentalsfor developers (2025)

Test your technical skills before an interview of PHP - Fundamentals with 48 corrected questions. Beginner, Intermediate or Expert level.

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Hard
12 votes2739 runs0 comment
Hard
10 votes2774 runs
3 comments

What type of array is the following?

Back-end developer
arrays
multidimensional
bidimensional
Anonymous authorat Mar 28, 2022
Medium
9 votes2821 runs0 comment
Medium
9 votes2688 runs
8 comments
Hard
6 votes2620 runs
1 comment
Hard
6 votes2532 runs
1 comment
Medium
6 votes1938 runs0 comment
Medium
5 votes2366 runs0 comment
Medium
4 votes1781 runs0 comment
Medium
4 votes1050 runs2 comments

Usage of the null coalescing operator in PHP

Back-end developer
ternary operator
null coalescing operator
Anonymous authorat Mar 28, 2022
Hard
3 votes2521 runs0 comment
Easy
2 votes2341 runs1 comment
Easy
2 votes1583 runs0 comment