How to access N-th element of an array in PHP

Question

I\'m embarrassed to ask this and it\'s most likely a duplicate, but my google results are coming up short (im searching incorrectly I guess) and such a basic question is infuria

Answer 1

If you want to access every N-th element:

$n = 3;
foreach (array_keys($arr) as $i => $key) {
    if (($i+1) % $n) {
        continue;
    }

    $value = $arr[$key];
}