Reply To: Insert new files to existing acf gallery, but wiped old data.

• John Huebner

• August 12, 2021 at 10:40 am

You need to get the values that are already saved and then add to them

instead of

$galleryImages = array();

use

$galleryImages = get_field(($imfield, $post_id, false);
if (empty($galleryImages)) {
  galleryImages = array();
}