从分类/类别中获取最新帖子的图像

我有一个自定义的帖子类型“Artworks”，带有自定义的分类“Artists”。我有一个页面，其中列出了“艺术家”分类法中的所有条目（艺术家1、艺术家2、艺术家3等）。

如何从每个类别（艺术家1、艺术家2等）的最新帖子中获取图片？

我就是这样列出“艺术家”分类法中的条目的：

<style>
    .artistbox {
        width:100%;
        height:150px;
    }
</style>

<?php
    $tax_terms = get_terms(\'artists\', array(\'hide_empty\' => \'1\'));      
        foreach ( $tax_terms as $tax_term ):  
            echo \'<div class="artistbox"  style="background-image: url(\'?????????\');"><a href="/artists/\'.$tax_term->slug.\'">\'.$tax_term->name.\'</a></div>\';  
        endforeach;
?>

我想要？？？？？？？？？成为每个类别中最新帖子的特色图片的URL。我该怎么做？

Like this:

    <div style="background-image:URL(\'featured-image-of-latest-post-assigned-to-artist-1;">
    Artist 1
    </div>


    <div style="background-image:URL(\'featured-image-of-latest-post-assigned-to-artist-2;">
    Artist 2
    </div>

    <div style="background-image:URL(\'featured-image-of-latest-post-assigned-to-artist-3;">
    Artist 3
    </div>

... and so on.

$art1_posts = get_posts( array( \'posts_per_page\' => 1, // Only return 1 post \'orderby\' => array( // Order by Date \'post_date\' => DESC ), \'tax_query\' => array( array( // Get first artist posts - inefficient \'taxonomy\' => \'artists\', \'field\' => \'term_id\', \'terms\' => $artists[0]->term_id ) ), \'meta_key\' => \'_thumbnail_id\', // Only return posts that have a post thumbnail ) );

$featured_image_arr = array(); $artists = get_terms( array( \'taxonomy\' => \'artist\', \'hide_empty\' => false, ) ); // If we have artists, loop through them, get the latest post, add to our featured image arr if( ! empty( $artists ) ) { foreach( $artists as $artist ) { $artist_posts = get_posts( array( \'posts_per_page\' => 1, \'orderby\' => array( \'post_date\' => DESC ), \'tax_query\' => array( array( \'taxonomy\' => \'artists\', \'field\' => \'term_id\', \'terms\' => $artist->term_id ) ), \'meta_key\' => \'_thumbnail_id\', ) ); // Skip empty artists. if( empty( $artist_posts ) ) { continue; } $featured_image_arr[] = array( \'artist\' => $artist, \'artist_post\' => $artist_posts[0], \'thumbnail_id\'=> get_post_meta( $artist_posts[0]->ID, \'_thumbnail_id\', true ), \'thumbnail_url\'=> wp_get_attachment_image_url( $thumbnail_id, \'full\' ), ); } } // If we have featured images, show them. if( ! empty( $featured_image_arr ) ) { foreach( $featured_image_arr as $arr ) { printf( \'<div class="artistbox" style="background-image: url( %1$s )"><a href="/artists/%2$s">%3$s</a></div>\', $arr[\'thumbnail_url\'], $arr[\'artist\']->slug, $arr[\'artist\']->name ); } }

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