使用 WP_Query.此函数将检索具有给定名称的第一篇文章，如果未找到任何内容，则为 null:

Use WP_Query. This function will retrieve the first post with the given name, or null if nothing is found:

function get_post_by_name(string $name, string $post_type = "post") {
    $query = new WP_Query([
        "post_type" => $post_type,
        "name" => $name
    ]);

    return $query->have_posts() ? reset($query->posts) : null;
}

默认情况下，这将搜索 post 类型的项目:

By default this will search for an item of the type post:

get_post_by_name("my-post")

作为第二个参数，您可以将其设置为其他内容:

As a second argument you can set that to something else:

get_post_by_name("my-page", "page")