What's the quickest way to get users by term id?

This topic has 5 replies, 2 voices, and was last updated 3 years, 4 months ago by webdev.

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July 12, 2021 at 4:55 PM #29448
webdev
Participant
Hi,
I have attached a taxonomy as user meta using the 'Taxonomy Advanced' field.
Now, when I go to the archive page for the term, I want to list all users with that term attached to their usermeta.

Using MB Views, I have tried the following:
```
{% set users = mb.get_users({
    meta_query : {
        meta_key: 'the_custom_taxonomy', 
        meta_value: term.id,
        meta_compare: 'LIKE',
    }
})%}
```
This returns all users but none seem to have the_custom_taxonomy field in the metadata. I have also tried get_users without the 'meta_query' wrapper array and the same result.

If I get all users first with get_users(), then I can do
```
{% for user in users %}
    {% set umeta = mb.rwmb_meta ('the_custom_taxonomy', {object_type: 'user'}, user.ID) %}
{% endfor %}
```
but I'd prefer to query directly for users with the term.id.

What is the best way to do this?

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July 12, 2021 at 7:06 PM #29454
webdev
Participant
EDIT:
The top query I put in DOES work with a bit of modification:
```
{% set users = mb.get_users({
        meta_key: 'the_custom_taxonomy', 
        meta_value: term.id,
        meta_compare: 'LIKE',
})%}
```
BUT, if the term.id I'm looking for is '4', it also returns term ids LIKE that, ie, '44', '104' etc.
So, I guess now my question is how to search for exact values in serialized arrays...
I have tried meta_compare 'IN' and '=' and they return 0 results....

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July 12, 2021 at 10:03 PM #29458
Long Nguyen
Moderator
Hi,

If you assign the location to the taxonomy archive, term.id will return the current term ID on its page. So you can set the setting meta_compare to =
```
{% set users = mb.get_users({
        meta_key: 'the_custom_taxonomy', 
        meta_value: term.id,
        meta_compare: '=',
})%}
```
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July 12, 2021 at 11:07 PM #29460

webdev
Participant

Hi,
Thanks for the response.
If I set meta_compare to '=', I get no results... I already have the term.id I need (as this is all being generated in a view for archive pages).
As the taxonomy is hierarchical and is being chosen via a taxonomy_advanced UI in the user profile, doesn't MB save this as a serialized array in the DB? So for meta_compare: '=' to work, wouldn't I need to know the full serialized array, rather then one value within it?
Either way, meta_compare: '=' is definitely giving me no results.

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July 13, 2021 at 9:25 PM #29475
Long Nguyen
Moderator
Hi,

Thank you for your additional information.

If you use the cloneable or multiple setting, the taxonomy_advanced field saved multiple term IDs or a serialized array in a single row in the database. But as far as I know, meta queries of WordPress support comparing the meta (field) value with the given value, not vice versa.

That means you can select one taxonomy and compare it with a given value like this
```
{% set users = mb.get_users({
        meta_key: 'the_custom_taxonomy', 
        meta_value: [4, 5, 6], //given value
        meta_compare: 'IN',
})%}
```
So I think you need to get all users and meta then compare it with the current term ID and print out the user matched.

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July 15, 2021 at 5:26 PM #29530

webdev
Participant

Thanks again Long,
Yes that's what I had to do in the end: get all users first, get the metadata attached to all users, then extract the users with the specified term.id.
It seems that is the quickest (only) way

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