With 400+ answers here are the results. First I want to thank you for participating in the quiz and congrats for the 16 users that answered correctly to all the questions!
1. What will be the output of the following code?
echodate('Y-m-d',strtotime('-1 month ago'));
echo date('Y-m-d', strtotime('-1 month ago'));
Error
One month ago from the current date and time
One month in the future from the current date and time correct answer (ref)
2. Is it possible to extend an interface with an abstract class?