front end - How to update the children of a post?

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i found nothing about it in the WP reference and Google, so i ask you: I want to update a post by a form - and with it its children.

      $post = array(

            'ID'             => $mainid,  
            'post_status'   =>   'wartend'
        );
        $lead = wp_update_post($post);



$children = get_children( $mainid );

foreach ($children as $child){
    wp_update_post(
    array(
        'ID' => $child, 
        'post_status'   =>   'wartend',
        'post_parent' => $mainid
    )
);
}

The post is getting updated, but not the children.

i found nothing about it in the WP reference and Google, so i ask you: I want to update a post by a form - and with it its children.

      $post = array(

            'ID'             => $mainid,  
            'post_status'   =>   'wartend'
        );
        $lead = wp_update_post($post);



$children = get_children( $mainid );

foreach ($children as $child){
    wp_update_post(
    array(
        'ID' => $child, 
        'post_status'   =>   'wartend',
        'post_parent' => $mainid
    )
);
}

The post is getting updated, but not the children.

• front-end
• wp-update-post
• posting

Share Improve this question asked Nov 19, 2018 at 4:16 PlatoPlato 311 bronze badge 2

• What is the type of these posts? – Krzysiek Dróżdż Commented Nov 19, 2018 at 6:22
• Its a custom post type ^^ i didnt liked woocommerce, so i wrote a own shopping solution with custom fields and custom post type. Was more affort than i thought, but works really well. – Plato Commented Nov 19, 2018 at 15:07

Add a comment  | 

1 Answer 1

Sorted by: Reset to default 0

get_children returns an array of post objects by default:

https://developer.wordpress/reference/functions/get_children/

So you would have to use 'ID' => $child->ID, in this case... also my want to wrap the foreach with if (count($children) > 0) {} to prevent possible errors where there are no children. ie:

$children = get_children( $mainid );

if (count($children) > 0) {
    foreach ($children as $child){
        wp_update_post(
            array(
                'ID' => $child->ID, 
                'post_status'   =>   'wartend',
                'post_parent' => $mainid
                )
            );
        }
    }
}

i found nothing about it in the WP reference and Google, so i ask you: I want to update a post by a form - and with it its children.

      $post = array(

            'ID'             => $mainid,  
            'post_status'   =>   'wartend'
        );
        $lead = wp_update_post($post);



$children = get_children( $mainid );

foreach ($children as $child){
    wp_update_post(
    array(
        'ID' => $child, 
        'post_status'   =>   'wartend',
        'post_parent' => $mainid
    )
);
}

The post is getting updated, but not the children.

i found nothing about it in the WP reference and Google, so i ask you: I want to update a post by a form - and with it its children.

      $post = array(

            'ID'             => $mainid,  
            'post_status'   =>   'wartend'
        );
        $lead = wp_update_post($post);



$children = get_children( $mainid );

foreach ($children as $child){
    wp_update_post(
    array(
        'ID' => $child, 
        'post_status'   =>   'wartend',
        'post_parent' => $mainid
    )
);
}

The post is getting updated, but not the children.

• front-end
• wp-update-post
• posting

Share Improve this question asked Nov 19, 2018 at 4:16 PlatoPlato 311 bronze badge 2

• What is the type of these posts? – Krzysiek Dróżdż Commented Nov 19, 2018 at 6:22
• Its a custom post type ^^ i didnt liked woocommerce, so i wrote a own shopping solution with custom fields and custom post type. Was more affort than i thought, but works really well. – Plato Commented Nov 19, 2018 at 15:07

Add a comment  | 

1 Answer 1

Sorted by: Reset to default 0

get_children returns an array of post objects by default:

https://developer.wordpress/reference/functions/get_children/

So you would have to use 'ID' => $child->ID, in this case... also my want to wrap the foreach with if (count($children) > 0) {} to prevent possible errors where there are no children. ie:

$children = get_children( $mainid );

if (count($children) > 0) {
    foreach ($children as $child){
        wp_update_post(
            array(
                'ID' => $child->ID, 
                'post_status'   =>   'wartend',
                'post_parent' => $mainid
                )
            );
        }
    }
}

本文标签： front endHow to update the children of a post