PHP

What is referential integrity?

What is a composite index?

How to calculate the result of a function if it performs many different actions inside?

What is strict mode in PHP?

What are lambda functions and anonymous functions? Tell about them.

What types of indexes exist in databases?

What microservice patterns do you know?

What is cardinality in the context of databases?

How to make sessions not stored in files?

What is the 'final' modifier in PHP and what role does it play?

What is the difference between the require and include functions in PHP?

What is the difference between the pull and fetch commands in Git?

How to prevent sessions from being saved in files?

What is the difference between the require and require-dev parameters in the composer.json file?

What is the difference between POST and PUT methods in HTTP?

What is dynamic typing?

What does the use of the final keyword prohibit in PHP?

What is a list data type?

What tools and methods do you use for debugging and profiling PHP applications?

What is the difference between stop and mock?