How to display the value from the latest post id in the widget

• ayeweb

• January 3, 2017 at 3:17 am

Normally have to add p=.. the id of the post
I would like to remove p=.. and the id of post will be the latest post id.
Just display in the widget.
Thank you.

• James

• January 3, 2017 at 10:16 pm

Hi @ayeweb

Thanks for the post.

I am not sure I have clearly understood this use case, but I would like to point that you can target anh ACF value from the $_POST data like so:

$value = $_POST['acf']['field_key'];

• ayeweb

• January 4, 2017 at 1:25 am

@James @acf-support
My shortcode in widget is:
[acf field=p1 post_id=1277]

And i have to change 1277 to the new post id every day.
I would like to remove them and it will be like:
[acf field=p1]
For get the latest post id, then i will not change the new post id every day.
But it not show anything.

Thank you.

• James

• January 16, 2017 at 12:06 pm

Hi @ayeweb

That’s because the shortcode is trying to get the global $post variable on your site, which doesn’t have the correct post ID if you put it in a widget.

In this case, you need to modify the template where you show the widget (usually sidebar) and show the data manually like this:

// get the latest post
$latest_posts = get_posts("post_type=post&numberposts=1");

// show the custom field
echo the_field('p1', $latest_posts[0]->ID);

This page should give you more idea about it: https://www.advancedcustomfields.com/resources/displaying-custom-field-values-in-your-theme/.

I hope this makes sense 🙂

• ayeweb

• January 18, 2017 at 12:35 am

OH, This is the nice one it’s work!.
Thanks