Intermediate
PHP
Q46 / 100
What does PHP's array_map() do?
Correct! Well done.
Incorrect.
The correct answer is B) Applies a callback to each element and returns a new array of results
B
Correct Answer
Applies a callback to each element and returns a new array of results
Explanation
array_map(fn($x) => $x * 2, [1,2,3]) returns [2,4,6]. For filtering use array_filter(); for reducing use array_reduce().
Progress
46/100