How to pass/get the ID of the page where the search is placed?

Hi,

I have been trying to do this all day yesterday, checked the knowledge base and documentation but there doesn’t seem to be a way to do this.

I have pages with category of ‘City’ (I used a plugin to enable categories for pages) and when in that page I want the search to only return results related to that page ID. So then I have to somehow pass the post ID of that page to the search.

At the moment I can do it by injecting the post ID via JavaScript after the page load, but I’m thinking that can easily break in the future if you update the html input IDs/names.

Ideally if the post ID of where the search took place is passed to $args so I can detect it from my own plugin:

[code]
add_filter("asp_query_args", "my_asp_query_args_change", 1, 2);
function my_asp_query_args_change($args, $search_id) {
$my_page_ID = $args[‘post_id’]; // <– this would be ideal

// then we can do things like:
$args[‘post_meta_filter’] = [
‘key’ => ‘my_custom_post_meta’,
‘value’ => $my_page_ID
‘operator’ => ‘=’,
];

return $args;
}
[/code]

Currently how can I achieve something like the above?

Kind regards,
Sid