<p><br /></p> <pre class="brush:php;toolbar:false;">$featured_posts = get_field('parts', $postId-&gt;ID); if( $featured_posts ): foreach( $featured_posts as $post ): setup_postdata($post); $permalink = get_permalink( $part-&gt;ID ); $title = get_the_title( $part-&gt;ID ); //make array $part_pages = array( $permalink =&gt; $title, ); endforeach; wp_reset_postdata(); endif;</pre> <p>我试图使用foreach循环创建一个关联数组，但是出现了错误。任何帮助将不胜感激。</p>

$featured_posts = get_field('parts', $postId->ID);

if( $featured_posts ):
    // 在foreach循环之前始终初始化数组变量
    $part_pages = array(); 

    foreach( $featured_posts as $post ): 

        setup_postdata($post); 
        $permalink = get_permalink( $post->ID );
        $title = get_the_title( $post->ID );

        // 将链接设置为键，标题设置为值
        $part_pages[$permalink] = $title;

    endforeach; 

    wp_reset_postdata();

    // 测试输出
    echo '<pre>' . print_r($part_pages, true) . '</pre>';
    
endif;