[wp-hackers] advanced taxonomy queries

[Chip Bennett]

You're right, Otto. That's what I get for answering questions at 11:30 at
night. :)

Just change my answer to use 'category__and', instead of 'category__in'.
The funny thing is, I almost added that as an addendum to say,
"category__in will give you foo OR bar, and category__and will give you foo
AND bar."

Chip


On Fri, Dec 21, 2012 at 6:33 AM, Otto <otto at ottodestruct.com> wrote:

> Ignore the previous answers by Ian and Chip, I think they missed the
> "AND" part of the question.
>
> The correct answer is to add an operator to your array.
>
> $myquery['tax_query'] = array(
>     array(
>         'taxonomy' => 'category',
>         'terms' => array('foo', 'bar'),
>         'field' => 'slug',
>         'operator' => 'AND',
>     ),
> );
>
> You may also want to add 'include_children' => false, if you don't
> want the category searcher to pick up posts that are in child
> categories of foo and bar as well.
>
> Note that there is a shortcut version of this called category__and,
> which accepts the ID values of the categories only.
>
> -Otto
>
>
>
> On Thu, Dec 20, 2012 at 10:04 PM, Haluk Karamete
> <halukkaramete at gmail.com> wrote:
> > In this query, we get the posts in the foo cat OR the bar cat
> >
> > $myquery['tax_query'] = array(
> >     array(
> >         'taxonomy' => 'category',
> >         'terms' => array('foo', 'bar'),
> >         'field' => 'slug',
> >     ),
> > );
> > query_posts($myquery);
> >
> > how do we change in the above snippet it so that we get the posts that
> > are in both categpories? That is both in the foo cat *AND* in the bar
> > cat?
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