Custom WordPress loop, articles not in same order as Array

As documented, if you’re using post__in to query a specific list of posts and what the results returned int he same order you need to set orderby to post__in:

$args = array(
    'posts_per_page' => 8,
    'post__in'       => $kiemeltek,
    'orderby'        => 'post__in',
);

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)