Display Images from Array with wp_get_attachment_image() [closed]

check your code

pass $image in wp_get_attachment_image not whole array $images.

Be careful when pass parameters

if ( $images ) {
    foreach ( $images as $image ) {
       echo '<li>';
       echo wp_get_attachment_image( $image, 'thumbnail' ); // notice this part
       echo '</li>';
      }