PHP Advanced Quiz 4
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Quiz 4
1. Which framework is the standard for unit testing in PHP?
Composer
PHPUnit
Laravel
2. How do you define a 'variadic' function?
function myFunc(...$args)
function myFunc($args[])
function myFunc(array $args)
3. What is Constructor Property Promotion?
Making all properties public
Automatically creating a constructor
Declaring properties directly in the constructor parameters
4. What is the benefit of 'Named Arguments' in PHP 8.0?
Faster execution
Passing arguments by name, allowing you to skip defaults
Better encryption
5. What are 'Enums' used for in PHP 8.1?
Defining a set of named constant values
Running multiple threads
Connecting to the database
6. What is 'Fiber' in PHP 8.1?
A faster string type
A new database driver
A mechanism for cooperative concurrency
7. What is an Intersection Type (e.g., Iterator&Countable)?
A value that is either an Iterator or Countable
A value that must be both an Iterator AND Countable
A way to join two classes
8. Which magic methods are modern replacements for the Serializable interface?
__serialize and __unserialize
__sleep and __wakeup
__get and __set
9. What is a key difference of 'Arrow Functions' (fn =>) compared to 'function()'?
They are slower
They cannot return values
They automatically capture variables from the parent scope by value
10. How did PHP 8.0 change the comparison '0 == "foobar"'?
It still returns true
It now returns false
It throws an error
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