Intermediate
PHP
Q50 / 100
What is PHP's union type declaration?
Correct! Well done.
Incorrect.
The correct answer is B) A type declaration accepting multiple types: function f(int|string $x)
B
Correct Answer
A type declaration accepting multiple types: function f(int|string $x)
Explanation
PHP 8 union types (int|string) allow parameters or returns to be one of the listed types. PHP 8.2 adds intersection types (Iterator&Countable).
Progress
50/100