Admin Artikel übersicht nur bestimmte Artikel anzeigen (Taxonomie)

add_action('pre_get_posts', 'show_only_tax' );


function show_only_tax( $query ) {


        $args = array(
                'relation' => 'AND',
                'queries' =>
                array(
                        array(
                                'taxonomy' => 'testartikel',
                                'field' => 'slug',
                                'terms' => 'action'
                        )
                    )
                );
        $query['tax_query'] = $args;
        return $query;
        
}

add_action('pre_get_posts', 'show_only_tax' );


function show_only_tax($wp_query) {
    
        $args = new WP_Tax_Query(
                array('relation' => 'AND',
                'queries' => array(
                                'taxonomy' => 'testartikel',
                                'field' => 'slug',
                                'terms' => 'action',
                                'include_children' => 0,
                                'operator' => 'IN'
                               )
                    )
        );
        $wp_query->tax_query = $args;
        return $wp_query;
}

WP_Query Object
(
        [query_vars] => Array
        (
                [post_type] => post
                [posts_per_page] => 20
                [error] =>
                [m] => 0
                [p] => 0
                [post_parent] =>
                [subpost] =>
                [subpost_id] =>
                [attachment] =>
                [attachment_id] => 0
                [name] =>
                [static] =>
                [pagename] =>
                [page_id] => 0
                [second] =>
                [minute] =>
                [hour] =>
                [day] => 0
                [monthnum] => 0
                [year] => 0
                [w] => 0
                [category_name] =>
                [tag] =>
                [cat] =>
                [tag_id] =>
                [author_name] =>
                [feed] =>
                [tb] =>
                [paged] => 0
                [comments_popup] =>
                [meta_key] =>
                [meta_value] =>
                [preview] =>
                [s] =>
                [sentence] =>
                [fields] =>
                [category__in] => Array
                (
                )


                [category__not_in] => Array
                (
                )


                [category__and] => Array
                (
                )


                [post__in] => Array
                (
                )


                [post__not_in] => Array
                (
                )


                [tag__in] => Array
                (
                )


                [tag__not_in] => Array
                (
                )


                [tag__and] => Array
                (
                )


                [tag_slug__in] => Array
                (
                )


                [tag_slug__and] => Array
                (
                )


        )


        [tax_query] => WP_Tax_Query Object
        (
                [queries] => Array
                (
                        [0] => Array
                        (
                                [taxonomy] => testartikel
                                [terms] => Array
                                (
                                        [0] => 'action'
                                )


                                [include_children] => 0
                                [field] => slug
                                [operator] => IN
                        )


                )


                [relation] => AND
        )


        [meta_query] =>
        [post_count] => 0
        [current_post] => -1
        [in_the_loop] =>
        [comment_count] => 0
        [current_comment] => -1
        [found_posts] => 0
        [max_num_pages] => 0
        [max_num_comment_pages] => 0
        [is_single] =>
        [is_preview] =>
        [is_page] =>
        [is_archive] =>
        [is_date] =>
        [is_year] =>
        [is_month] =>
        [is_day] =>
        [is_time] =>
        [is_author] =>
        [is_category] =>
        [is_tag] =>
        [is_tax] => testartikel
        [is_search] =>
        [is_feed] =>
        [is_comment_feed] =>
        [is_trackback] =>
        [is_home] =>
        [is_404] =>
        [is_comments_popup] =>
        [is_paged] =>
        [is_admin] => 1
        [is_attachment] =>
        [is_singular] =>
        [is_robots] =>
        [is_posts_page] =>
        [is_post_type_archive] =>
        [query_vars_hash] => 48c46087985fd587aa83fbdfdc78c891
        [query_vars_changed] =>
        [thumbnails_cached] =>
        [query] => Array
        (
                [post_type] => post
                [posts_per_page] => 20
        )


)

add_action('pre_get_posts', 'show_only_tax');


function show_only_tax($wp_query) {
    
        $args = array('relation' => 'AND',
                'queries' => array(
                                'taxonomy' => 'testartikel',
                                'field' => 'slug',
                                'terms' => 'humor',
                                'include_children' => 0,
                                'operator' => 'IN'
                               )
                    
        );
        $wp_query->query_vars['tax_query'] = $args;
        return $wp_query;
}