Intermediate
PHP
Q65 / 100
What is PHP's arrow function (fn)?
Correct! Well done.
Incorrect.
The correct answer is B) A concise closure syntax that implicitly captures outer variables by value
B
Correct Answer
A concise closure syntax that implicitly captures outer variables by value
Explanation
fn($x) => $x * $factor automatically captures $factor by value without use. Added in PHP 7.4.
Progress
65/100