在Wordpress中获取多个帖子缩略图图像标题或说明

Question

在帖子中有多个精选图片，需要循环中所有或所有标题的描述。

Answer 1

获取描述的功能

>Bob address postcode Sam address postcode

以下是调用此函数的声明

    /**
     * Retrieve Post Thumbnail Description.
     *
     * @param string $post_type The post type.
     * @param string $id The id used to register the thumbnail.
     * @param int $post_id Post ID.
     * @return string
     */

    public static function the_post_thumbnail_description($post_type, $id, $post_id) {
        $post_id = (NULL === $post_id) ? get_the_ID() : $post_id;
        $postThumbnailID = get_post_meta($post_id, "{$post_type}_{$id}_thumbnail_id", true);
        $description = get_post($postThumbnailID)->post_content;
        echo $description;
    }