How to get the number of childs - Meta Box

This topic has 3 replies, 2 voices, and was last updated 2 years, 1 month ago by Guillaume LORAIN.

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October 16, 2022 at 12:14 PM #38676

Guillaume LORAIN
Participant

Hello.

I would like to display the number of connected elements in a relashionship.
For exemple I have a custom post type for classes and another one for students. Students are affected to classes thanks to a relashionship. I would like to be able to display how many students are connected for every class.
Classs A : 25 students, Class B : 18 students; Class C : 28 students...

Is it possible ?
Thanks

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October 16, 2022 at 1:10 PM #38678

Guillaume LORAIN
Participant

I succeeded to find by myself.

Here is the code to use : {{relationship.to|length }}

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October 16, 2022 at 3:41 PM #38679
Long Nguyen
Moderator
Hi,

When creating the WP Query to get relation posts, you can get the number of posts by using the property found_posts. Read more on the documentation https://developer.wordpress.org/reference/classes/wp_query/#properties
https://docs.metabox.io/extensions/mb-relationships/#getting-connected-items
```
// The Query
$query = new WP_Query( $args );
$total = $query->found_posts;
```
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October 16, 2022 at 10:20 PM #38688

Guillaume LORAIN
Participant

Thanks

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