PHP 8 interview question
How do `ArrayAccess`, `IteratorAggregate` and `Countable` help build collection classes?
The answer is available to members. Create a free account to see every answer, track which questions you're confident about and practise with timed mock interviews.
More most-asked PHP 8 questions
- What are the most important features introduced in PHP 8.0?
- What happens to an HTTP request in a PHP-FPM application, and what does 'shared nothing' mean?
- How should passwords be stored in PHP?
- What are named arguments and what are their benefits and risks?
- What is constructor property promotion?
- How does `match` differ from `switch`?
- What are union types in PHP 8 and how do you use them?
- What are enums in PHP 8.1? Explain pure vs backed enums.