So then you’ll need to query the ‘wglocations’ to get all the posts for the user and then loop through those to build a list of all the numbers to look for
$args = array(
'post_type' => 'wglocations',
'post_per_page' => -1,
'author' => $user_id
);
$query = new WP_Query($args);
$ring_numbers = array();
foreach ($query->posts as $post) {
$value = get_field('leg_ring_number', $post_id);
$values = str_replace(' ', '', $ring_numbers);
$ring_numbers = array_merge($ring_numbers, explode(',', $value));
}
Then you do the second query from the previous code
