Job offers
Companies
Tests
Blog
I'm an employer
Sign up
Log in
Group 2@2x
Created with Sketch.
Home
>
Users
>
Umar
Umar
Contribution
4
Contributions
82
Contributions played
Tests
7
Tests completed
152
Questions completed
Achievements
Profile
Tests
Contributions
Profile
Tests
Contributions
Achievements
Submit a new question
or
see all questions
Easy
0
Medium
2
Hard
1
Expert
0
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
2
Not published
1
To review
0
Published
To review
Newest
Filters
Easy
0
Medium
2
Hard
1
Expert
0
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
2
Not published
1
To review
0
Cancel
2 questions
1
Hard
0 vote
36 runs
0 comment
What are the differences between abstract class and interface in PHP?
Back-end developer
abstract class
interface
at Sep 5, 2022
Medium
0 vote
35 runs
0 comment
What will this code display?
Back-end developer
functions
errors
at Sep 5, 2022
Umar
Umar