If anyone else is having issues with this I also came up with a solution:
Get all meta data for post/custom post type:
$meta_data = get_field_objects($post->ID);
Add a function to sort array by given key(in our case ‘menu_order’)
function array_sort($array, $on, $order=SORT_ASC){
$new_array = array();
$sortable_array = array();
if (count($array) > 0) {
foreach ($array as $k => $v) {
if (is_array($v)) {
foreach ($v as $k2 => $v2) {
if ($k2 == $on) {
$sortable_array[$k] = $v2;
}
}
} else {
$sortable_array[$k] = $v;
}
}
switch ($order) {
case SORT_ASC:
asort($sortable_array);
break;
case SORT_DESC:
arsort($sortable_array);
break;
}
foreach ($sortable_array as $k => $v) {
$new_array[$k] = $array[$k];
}
}
return $new_array;
}
Sort meta data ascending by calling function
$sorted_meta_data = array_sort($meta_data, 'menu_order', SORT_ASC);
Or sort meta data descending by calling function
$sorted_meta_data = array_sort($meta_data, 'menu_order', SORT_DESC);
Show all data. In my case I have a field called ‘product_image’ and I don’t want to show that field in my