如何在这个定制循环中使用这个$TAX_SELECTION变量？

我从这个问题中提取了这段代码（它显示了如何让用户通过选择类别和标记来选择要显示的帖子）：

function.php

add_action( \'pre_get_posts\', \'do_user_post_selection\' );

function do_user_post_selection( $query ) {

    if( !is_home() || !is_user_logged_in() )
        return;

    if( isset( $query->query_vars[\'post_type\'] ) && ( \'nav_menu_item\' == $query->query_vars[\'post_type\'] ) )
        return; 
    if( 1 < did_action(\'wp\') )
        return;
    global $current_user;

    $tax_selection = get_user_option( \'taxonomy_selection\', $current_user->ID );

    if( empty( $tax_selection ) )
        return;

    if( isset( $tax_selection[\'categories\'] ) && ( is_array( $tax_selection[\'categories\'] ) ) && ( !empty( $tax_selection[\'categories\'] ) ) ) 
        $query->set( \'category__in\', $tax_selection[\'categories\'] );
    if( isset( $tax_selection[\'post_tag\'] ) && ( is_array( $tax_selection[\'post_tag\'] ) ) && ( !empty( $tax_selection[\'post_tag\'] ) ) ) 
        $query->set( \'tag__in\', $tax_selection[\'post_tag\'] );

    return;
}

我的首页模板中有以下内容：

front-page.php

      <?php // Create and run custom loop
          $custom_posts = new WP_Query();
          $custom_posts->query(\'post_type=topic&posts_per_page=5\');
          while ($custom_posts->have_posts()) : $custom_posts->the_post();
      ?>  <article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
            <div class="entry-left">
              <h3><a href="<?php the_permalink(); ?>" title="<?php printf( esc_attr__( \'Permalink to %s\', \'twentyeleven\' ), the_title_attribute( \'echo=0\' ) ); ?>" rel="bookmark"><?php the_title(); ?></a></h3>
            </div><!-- .entry-header -->
          </article>
        <?php endwhile; ?>
      </div>

如何使用中的值$tax_selection 在我的自定义循环中？

add_action( \'pre_get_posts\', \'do_user_post_selection\' ); function do_user_post_selection( $query ) { if( !is_home() || !is_user_logged_in() ) return; if( isset( $query->query_vars[\'post_type\'] ) && ( \'nav_menu_item\' == $query->query_vars[\'post_type\'] ) ) return; if( 1 < did_action(\'wp\') ) return; global $current_user, $tax_selection; $tax_selection = get_user_option( \'taxonomy_selection\', $current_user->ID ); if( empty( $tax_selection ) ) return; if( isset( $tax_selection[\'categories\'] ) && ( is_array( $tax_selection[\'categories\'] ) ) && ( !empty( $tax_selection[\'categories\'] ) ) ) $query->set( \'category__in\', $tax_selection[\'categories\'] ); if( isset( $tax_selection[\'post_tag\'] ) && ( is_array( $tax_selection[\'post_tag\'] ) ) && ( !empty( $tax_selection[\'post_tag\'] ) ) ) $query->set( \'tag__in\', $tax_selection[\'post_tag\'] ); return; }

<?php // Create and run custom loop global $tax_selection; // use your variable $custom_posts = new WP_Query(); $custom_posts->query( array( \'post_type\' => \'topic\', \'posts_per_page\' => 5, \'category__in\' => $tax_selection[\'categories\'], ) ); while ($custom_posts->have_posts()) : $custom_posts->the_post(); ?> <article id="post-<?php the_ID(); ?>" <?php post_class(); ?>> <div class="entry-left"> <h3><a href="<?php the_permalink(); ?>" title="<?php printf( esc_attr__( \'Permalink to %s\', \'twentyeleven\' ), the_title_attribute( \'echo=0\' ) ); ?>" rel="bookmark"><?php the_title(); ?></a></h3> </div> </article> <?php endwhile; ?> </div>

Getting posts by taxonomy

我想根据现有的分类术语从CPT获取一组帖子。我想我应该使用WP的get\\u posts（）函数：$结果=获取文章（数组$选项）；当我指定我感兴趣的CPT时，此函数工作正常：$results=get\\u posts（数组（\'post\\u type\'=>\'my\\u cpt\\u name\'）；但后来我用我的UOM自定义post类型尝试了这一点，并尝试使用公制进行筛选，公制是一种称为“UOM\\U system”的分类法：$results=get\\u posts（数组（\'post\\u

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Getting posts by taxonomy