Filters elements of an array using a callback function.
Syntax
array_filter(array $array, ?callable $callback): arrayExample
Enter values below to update the example in real time.
nums→evens→array_filter→fn→print_r→array_values→$nums = [1, 2, 3, 4, 5, 6];
$evens = array_filter($nums, fn($n) => $n % 2 === 0);
print_r(array_values($evens)); // [2, 4, 6]