Mid-level technical interview questions (2015)

gistfile1.txt

1. What is wrong with this snippet of code?
https://gist.github.com/alexwybraniec/2585f0578304734b9a53

2. How would you make the snippet of code in the previous question better?

3. Make the function in this snippet return a date 32 days in the future from the inputed date and in the same format.
https://gist.github.com/alexwybraniec/306a5802ff4ff96d9fd4

4. What would the following code output?
https://gist.github.com/alexwybraniec/61f7487eb4e14dcd3eb5

5. What does php -a do and why is it useful?

6. What is the difference between var_dump and print_r, and which is more useful?

7. What is the difference between "$this->" and "self::" ?

8. What is your preferred text editor and why?

9. What is your preferred CMS and why?

10. What is your preferred second language and why?

11. What does PHP stand for?

12. What is the difference between composer.json and composer.lock?

13. Why is the next version of PHP 7, not 6?

14. What is HHVM?

15. What is your favourite PHP function?

16. If you didn't know the answer to any of the above, how would you find out?