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How to get the number of childs

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  • October 16, 2022 at 12:14 PM #38676
    Guillaume LORAINGuillaume 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

    October 16, 2022 at 1:10 PM #38678
    Guillaume LORAINGuillaume LORAIN
    Participant

    I succeeded to find by myself.

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

    October 16, 2022 at 3:41 PM #38679
    Long NguyenLong 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;
    October 16, 2022 at 10:20 PM #38688
    Guillaume LORAINGuillaume LORAIN
    Participant

    Thanks

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